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claude mcp add dsh-project-mcp -- npx -y dsh-project-mcp@0.4.3รันในเทอร์มินัล
{ "mcpServers": { "dsh-project-mcp": { "command": "npx", "args": [ "-y", "[email protected]" ] } }}claude_desktop_config.json
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A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.
เปิดจากผู้เผยแพร่
Per-project MCP servers for DeepSeek Harness.
DSH normally configures MCP once per profile (cordis.patch.yml), so every
session of the process sees the same servers. This plugin adds the missing
plane: a project declares its MCP servers in its own files, and those servers
are mounted .
Per-project MCP servers for DeepSeek Harness: mounts the MCP servers a project declares into the sessions working in it
Which files a project is read from is a setting: localFiles lists documents
relative to the project root, globalFiles lists the ones read before them. The
shipped default reads one document — <project>/.dsh/mcp.json — and nothing
global, so a project mounts exactly what it declares. A Kimi Code project (or any
other tool's file) is one config line away, never an implicit second source.
// <project>/.dsh/mcp.json
{
"mcpServers": {
"rider": {
"type": "http",
"url": "http://127.0.0.1:64343/stream",
"headers": { "IJ_MCP_SERVER_PROJECT_PATH": "/abs/path/to/project/src/App" }
},
"playwright": { "command": "npx", "args": ["-y", "@playwright/mcp@latest"] },
"tracker": {
"command": "uvx",
"args": ["yandex-tracker-mcp@latest"],
"env": { "TRACKER_TOKEN": "${YANDEX_TOKEN}" }
}
}
}
profileWinsmcp_search_toolsImplementation notes: how it works · bundle format · layout
pnpm install && pnpm check # typecheck + build + tests under the coverage gate + resource audit
pnpm coverage # the same suite with the coverage report only
pnpm pack # -> dsh-project-mcp-<version>.tgz (builds first, via prepack)
mv dsh-project-mcp-<version>.tgz ~/.dsh/packages/
dsh plugin --profile web add file:$HOME/.dsh/packages/dsh-project-mcp-<version>.tgz
pnpm check runs the suite through --coverage, and vitest.config.ts gates all
four readings at 80% over src/**: a surface added without its tests fails
the command a reviewer runs, not a later reading of a report.
Bun works as the package manager and runner too:
bun install && bun run build
bun test tests # same suite through the Bun test runner
dsh plugin add appends the bundle to dsh.profile.bundles and reconciles
~/.dsh/profiles/web/package.json; the bundle's own cordis.patch.yml mounts
the row. Restart the web GUI afterwards. To iterate without re-packing, install
with link:/abs/path/to/dsh-project-mcp and rebuild (pnpm build).
Read for the project of each session, lowest priority first — a later document
overrides an earlier entry with the same serverName. The order is exactly the
globalFiles list followed by the localFiles list:
A spec is read the way a shell reads it: ~/… is $HOME/…, $DSH_HOME/… is the
plugin's own home, an absolute path is itself, and anything else is relative to
the base it belongs to — the project root for localFiles, $HOME for
globalFiles. So localFiles: ['.kimi-code/mcp.json', '.dsh/mcp.json'] reads a
Kimi Code project's file first and lets the DSH file override it, and
globalFiles: ['~/.dsh/mcp.json'] adds a machine-wide document below both.
A document may be { "mcpServers": { ... } }, { "servers": { ... } }, or a
bare name → entry map. Unknown fields are ignored; a broken row never blocks
the rest of the document — it surfaces as an error row.
${...} references are expanded in command, args, env, cwd, url and
headers. Secrets stay out of the project document: they live in
process.env, in the project's own .env files, or in
~/.dsh/.credentials.yaml.
A value a reference needs is looked up in one fixed order, project-local first:
Plugin inputs sit above all four for ${input:NAME}. The project-local files
are ordinary dotenv documents — one KEY=value per line, an optional export ,
single or double quotes, # comments on their own line or after whitespace — and
an empty value counts as unset, so a blank entry cannot shadow a real one.
Both document shapes work: ${VAR} (what a mcp.json written by hand usually
carries) and ${input:VAR} (the VS Code spelling). Each document is re-read only
when its mtime/size changes, and a change to any of the four sources re-expands
the references and re-mounts the affected servers without the mcp.json
being touched. A key any of these sources answered is never written back by the
editor: it stays masked in the panel and its declared ${...} text stays in the
file. envFiles: false narrows the chain back to process.env + credentials. Keep
the dotenv documents out of version control — the plugin only ever reads them, but a
committed .env is a committed secret.
Plugin config is the cordis.patch.yml row (defaults shown):
- id: project-mcp
config:
enabled: true # master switch
localFiles: ['.dsh/mcp.json'] # project documents, lowest priority first
globalFiles: [] # documents read before a project's own; [] reads none
envFiles: true # read <project>/.env and <project>/.dsh/.env for ${...}
inputs: {} # explicit ${input:NAME} values, e.g. COVERAGE_MCP_ALLOWED_ROOT: /repo
toolCallTimeoutMs: 60000
failOnStartupError: false # true = a dead server fails its mount instead of reconnecting
connectTimeoutMs: 60000 # a mount with no tool after this window becomes an error row; 0 disables
lazy: true # mount a session's project on its first turn, not at session creation
idleTimeoutMs: 300000 # release a session's mounts after this much inactivity; 0 disables
activationWaitMs: 2000 # how long the first step of a turn may wait for a pending mount; 0 never waits
profileWins: true # a profile-level serverName wins; the project row becomes `conflict`
watch: true # watch project documents for edits
debounceMs: 300
rescanIntervalMs: 10000
credentialsFile: '' # default: $DSH_HOME/.credentials.yaml
allowGlobalWrite: false # let the editor write the documents of globalFiles
activationEnabled: true # offer MCP tools through `mcp_search_tools` + activation
activationSeeded: 16 # counter-seeded tools that are always offered
activationMinCalls: 1 # calls one tool needs before it is seeded
toolIdleMs: 0 # drop a session-activated tool after this long without a call; 0 keeps it for the session
guidanceEnabled: true # one short project-MCP guidance section in the session system prompt
activationAutoLimit: 12 # names the task-context tier may offer at once; 0 disables that tier
activationAutoStickySteps: 100 # extra user messages a context offer stays offered
activationToolBudgetChars: 40000 # serialized MCP surface above which tools are deferred; 0 defers always
projectMarkers: ['.git', '.dsh', '.kimi-code', 'package.json']
fileMarkers: ['.sln', '.slnx', '.csproj']
On DSH ≥ 0.1.7 the keys below are volatile: the host serves them as a
config form, an edit commits into the running plugin without a restart, and the
runtime picks the new value up on the loader's loader/volatile-update event.
Every other key — enabled, localFiles, globalFiles, projectMarkers,
fileMarkers, inputs, credentialsFile, watch, rescanIntervalMs,
failOnStartupError — is structural and still
needs a remount (restart or config reload) to take effect. An older host just
hands over plain values, and nothing about the boot path changes.
Volatile keys: activationEnabled, activationSeeded, activationMinCalls,
toolIdleMs, guidanceEnabled, activationAutoLimit,
activationAutoStickySteps, activationToolBudgetChars, allowGlobalWrite,
envFiles, lazy, localPrefix, profileWins, connectTimeoutMs,
toolCallTimeoutMs, idleTimeoutMs, debounceMs, activationWaitMs.
profileWinstrue (default) — a project entry whose serverName is already live in the
profile is not mounted; its row reads conflict with the hint to remove
the profile entry. Safe: no duplicate processes, no shadowing.false — the project instance is mounted too. Nearer scopes shadow the
profile's tools for that session, so the project's own configuration (for
example a project-specific IJ_MCP_SERVER_PROJECT_PATH) wins. Costs one
server process/connection per server for as long as a session of that project
holds it.The plugin publishes a projectMcp service (snapshot() reads, save() writes
one entry back, and setPin() / setPolicy() write the project's tool policy):
ctx.get('projectMcp').snapshot()
// { ready, watchedFiles,
// projects: [{ projectRoot, policy, sessionIds, rows, issues, sessions, usage }] }
// row.status: 'active' | 'connecting' | 'idle' | 'disabled' | 'conflict' | 'error'
// row.entry: the parsed body the editor starts from; row.writeScope / documentRevision
// sessions: [{ id, rows, issues }] — the same rows split per session
// policy: { mode, pins } — the project's tool policy, defaulted until it is changed
// usage: { [serverName]: ServerUsage } — absent until something was counted
ctx.get('projectMcp').syncNow(root?) // reconcile and await it; `root` scopes it to one project
ctx.get('projectMcp').syncSoon(root?) // same pass, answered at once — the panel's `Sync`
ctx.get('projectMcp').retry(root?) // drop the failed mounts, then re-mount them in the background
ctx.get('projectMcp').subscribe(change => …) // push: the current SnapshotChange at once, then one per change
// SnapshotChange: { revision, snapshot } — every frame carries the whole snapshot
ctx.get('projectMcp').save({ projectRoot, server, document, revision, entry })
// { ok: true, snapshot } | { ok: false, code: 'invalid' | 'blocked' | 'conflict' | 'not-found' | 'failed' }
ctx.get('projectMcp').setPin({ projectRoot, tool, pinned })
ctx.get('projectMcp').setPolicy({ projectRoot, mode })
// { ok: true, snapshot } | { ok: false, code: 'invalid' | 'not-found' | 'failed' }
projects[].rows is the merge across that project's sessions, in document
order. Sessions mount independently, so when they disagree about one server the
most actionable status wins — error > active > connecting > conflict >
idle > disabled — and a running or failing server is never reported as idle
just because a session that has not turned yet was registered first.
projects[].sessions carries the same data split per session, which is what says
which session holds a mount.
The host half counts every tool call whose server this plugin mounted, keyed
by project root and serverName, so a project's numbers outlive the sessions
that produced them:
ctx.get('projectMcp').snapshot().projects[0].usage
// { alpha: { calls: 12, errors: 1, tools: { search: 9, fetch: 3 },
// lastUsedAt: '2024-05-06T07:08:09.000Z' } }
calls counts every dispatched call, errors those whose result carried an
error, and lastUsedAt (ISO) moves on success only. tools keys the tool name
as the server declares it, without the mcp__<serverName>__ prefix.mcp__* server never lands in a project's counters, and a
registry name truncated to the function-name budget still resolves to its own
server.$DSH_HOME/dsh-project-mcp-usage.json, a versioned
document ({ version: 1, projects: … }) written atomically (temp file +
rename) on a debounce — never on the tool-call path. A missing, unparsable or
older-version document starts clean, and a failed write is logged and dropped:
counting is never a reason for a tool call or the plugin to fail.usage is absent for a project with no counted calls yet.The panel's Tools surface overrides the shipped presentation per project, and
that decision is plugin state, not project configuration: it lives in
$DSH_HOME/dsh-project-mcp-policy.json, the same kind of document as the counters
(versioned, written atomically through a temp file + rename, written on a debounce,
and a missing, corrupt or older-version file starting from the defaults rather
than failing):
{ "version": 1, "projects": { "<root>": { "mode": "disclosure", "pins": ["mcp__tglider__workspace"] } } }
ProjectSnapshot.policy.mode):
disclosure (default) — everything Tool activation below describes: the
budget, the counter baseline, on-demand activations, the context tier and
mcp_search_tools.
direct — defers nothing: the request carries the whole mounted catalogue,
deferring is false and the discovery tool is not advertised.
off — offers none of the project's tools: the assembly listener adds
nothing. Registering mcp_search_tools in the session scope cannot be
cancelled (a DSH limitation, not a choice), so it stays registered but is not
advertised either.
The mode is read on every assembly, so a change applies from the next model step on, with no re-mint of the session scope.
The mode decides all three fields of SessionTools, because that row is
this plugin's contribution to the request, not what the model finally sees:
deferring is about the budget, never about the mode: direct and off
defer nothing by size, they either filter nothing or offer nothing. A panel
has to read policy.mode before the numbers — in off it says "this
project's tools are off" rather than "N hidden", because a model can still
see them when no other presentation plugin filters the assembly.
ProjectSnapshot.policy.pins) — the names the user insists on:
SessionTools.baseline, so the panel
counts it as offered and it never lands in deferred — baseline is pins
plus the names the counters heated up, and deferred.length is what is
hidden.compaction/end exactly like the counter baseline.baseline, because it is what the user
pinned by hand rather than what the counters seeded.off does not erase pins; it just does not offer them — the row's
baseline is empty and every mounted name is deferred — so switching back
to disclosure finds them again.Both changes go over the panel routes, in the same envelope as a save and without a rescan — the policy is not part of any declaring document, so the snapshot is rebuilt in place:
POST /project-mcp/pin { projectRoot, tool, pinned } // PinRequest
POST /project-mcp/policy { projectRoot, mode } // PolicyRequest
// 200 { ok: true, value: <fresh snapshot> }
// 400 unknown project (not-found) or unknown mode (invalid)
mcp_search_toolsA project can mount a large MCP surface, and every one of those tools in every
request is expensive. The host half presents them the way a progressive-tools
deployment wants, without touching the registry (this is the disclosure mode of
Tool policy above; a project can be switched to direct or off instead):
activationMinCalls (default 1) is seeded into a baseline that appears in
the request from the first step on; activationSeeded (default 16) caps how
many names the counters may seed. One call is enough, so the baseline follows
what the project really uses, and the counters only ever add names to it — a
tool that was called once stays offered. The counters are the ones above, so
the baseline is remembered across sessions and restarts.k1 = 1.2, b = 0.75, name matches weighted above description ones — and
offers the best matches. activationAutoLimit (default 12) caps how many
names one task may offer; matches below a score floor are dropped, and a tool
that does not match stays reachable through mcp_search_tools.activationToolBudgetChars (default
40000, roughly 10K tokens) every tool is offered exactly as the rest of the
harness assembled it. 0 switches the gate off and defers every surface.
The counters keep accumulating either way, so the decision follows a project
as it grows.activationAutoStickySteps (default 100)
later messages, one input per recomputation, so the whole session shares one
tool list instead of following every dip of the ranking. Because the inner
listeners rebuild the registry list on every step, the additions are re-applied
each time from what those listeners actually returned; when that list already
carries everything, the listener hands back the identical assembly object.
A changing tool list rewrites the prompt prefix and invalidates the model's
cache — the provider re-reads the prompt from the first altered token — so the
shipped window is wide enough that an offer outlives the task that produced it
and the list changes at most a compaction or an activation, not every turn.mcp_search_tools in
the session's own scope and also offers it from its own assembly listener — a
presentation plugin that trims the list to an allowlist would otherwise drop
the one tool that makes the deferred layer reachable. The discovery tool is
pinned: it appears in every disclosure assembly, whatever the budget
says, so the model can always discover tools as the project grows. A call
searches the MCP tools of this project — never a profile-level tool or
another project's server — activates up to limit (default 8) matches, and
returns their names and descriptions. The query matches case-insensitively
and word by word: the whole query as one substring of a name or
description ranks highest, and every word of it then scores its own hit (a
word in a name outweighs the same word in a description; words shorter than
two characters are ignored, and only the first eight distinct words count),
so issue get create update finds …-issue_get, …-issue_create and
…-issue_update even though no tool contains that phrase verbatim. The
activated tools join the offered
list from the next model step on; only the tools already listed are
reliable until then.toolIdleMs: 0 disables the
idle sweep, so a searched tool stays offered for the rest of the session, and
the offered set only ever grows there. A positive toolIdleMs restores the
old behaviour: a session-activated tool that is not called within the window
is dropped at the next agent/status transition. A compaction/end is the one
boundary that shrinks the set on its own: the conversation those offers
belonged to is rewritten there, so the provider recomputes the prompt prefix
anyway and a shorter list costs nothing newly. It drops the offers the model
never acted on — a context match or a search it did not call — and keeps the
activations a call backs: a tool the model called at least once stays offered
from the next step on, stamped with the time of that call. A tool called
without ever being activated is kept for the same reason — the session used it
— and the context tier restarts from scratch at that boundary. The counter
baseline survives both — it is derived from durable counters, not from the
session — and a pin survives them for the same reason (Tool policy above).Where the task text comes from. The context tier reads the session's own
session/event stream: the newest committed user/message supplies the text,
and tool/call events supply recently called names (a called tool is offered
only when the plugin mounted it for this project). Only a message whose source
is user counts: the same event type carries every plugin-authored context
injection — runtime-context snapshots, agent instructions, skill catalogues,
memory recalls, cron notices — and ranking a tool offer against one of those
instead of the task would be worse than ranking against nothing. The timing
follows the harness: a turn's messages reach the log after the assembly that
opens the turn, so the first step of a turn ranks against the previous message
and the current one takes effect from the next step. Idle pruning, the counter
baseline, and mcp_search_tools are unaffected by this read.
This is presentation, not permission. A tool the model cannot see is still
callable when the model already knows its name, and the model may call it
directly; only what is listed changes. Nothing is ever unregistered: each
request gets the registry's own tool list plus the active schemas, deduplicated
by name, and activationEnabled: false turns the whole mechanism off (every
mounted tool is listed exactly as before, and no search tool is registered).
Implementation note — the presentation rides the agent's own
system-prompt/assemble waterfall, registered prepended so it runs outermost
and sees the list after other presentation plugins (for example
dsh-progressive-tools) filtered it. That listener is contained: if this
plugin's own work fails, the assembly the rest of the harness produced is
returned unchanged, so a broken probe can never break a model request. One
residual ordering risk remains: a presentation plugin that trims the list to its
own allowlist and ends up outside this listener (it registered its own
prepended listener later) drops the schemas this plugin added, leaving only the
tools that plugin allows. What that surfaces looked like is why the discovery
tool is offered by this listener rather than left to the registry — but it is
still trimmed in that nesting. A deployment that wants the discovery path in
spite of it can name mcp_search_tools in that plugin's own allowlist (in
dsh-progressive-tools that is eagerTools), which makes the tool survive in
either nesting; the MCP schemas themselves cannot be pinned that way, because
they are project data, not configuration.
The per-server mcp:<server> sections mcp-client publishes say what a server
is, and the activation surface above makes many of its tools invisible — but
nothing told the model that a tool it cannot see may still be asked for. The
host half adds one short section (guidanceEnabled: true, the default) that
says exactly that, next to the mounts it describes:
## Project MCP servers
Project `project1` mounts 2 MCP server(s) in this session.
- memory (stdio, active)
- tglider (stdio, active) — code intelligence
Most used in this project's sessions, offered from the first step on: recall,
find_symbol — call them directly, no search needed.
3 of 14 MCP tool(s) are offered directly; the other 11 are offered on demand —
call `mcp_search_tools` with a keyword or a tool name (several words are
matched one by one), and a tool it activates becomes callable from the next
step. Search once with the best keywords you have; when the search reports no
match, this project mounts no such tool — report the gap instead of rephrasing
the search or guessing a name.
On demand right now: batch_rename, changed_symbols, diagnostics, find_callers
+7 more — every one of them runs when called by its exact full name
`mcp__<server>__<tool>`; search a name with `mcp_search_tools` first to see its
description and parameters.
+N more. The whole section is capped at 1200 characters,
so an extreme project loses trailing server bullets (folded into
… and N more server(s)) before it loses the on-demand instruction and the
names line.mcp_search_tools query instead of
probing blindly. The line also states the direct-call contract — deferral
trims the assembled request list, it never unregisters the tool, so a call by
the exact full name mcp__<server>__<tool> still executes; searching first
is how the model sees the description and parameters, not a gate.+N more) and says they are offered from the first step
on — so the model calls them directly instead of searching for what it
already has. With activationEnabled: false the line is dropped, like the
rest of the activation story.ctx.inject(['systemPrompt'], …) at the MCP_SERVERS order, with a name
(mcp-project-guidance) whose code-unit order precedes every mcp:<server>
instruction block — the same convention mcp-resource-servers uses — so the
guidance is read ahead of the servers it introduces.text is a callback: it reads the
session's mounts and the registry at every assembly, so a rescan that mounted
or dropped a server changes the text without re-registering anything. The
registration is owned by the agent scope and released exactly where its mounts
are (projectMcp.release(), idle timeout, agent disposal).~-collapsed directory
label, never by its absolute root, and the section carries no endpoint, no
argument and no document path. A section that fails to build returns ''
rather than failing the model request that asked for the assembly.guidanceEnabled: false registers no section at all. With activationEnabled: false the section still lists the mounts but drops the on-demand paragraph,
the names line and the most-used line, because nothing is deferred and nothing
is seeded.
A profile with twenty project folders must not start twenty projects' worth of servers. A session's project is mounted on its first turn, and the mount is scoped to the session that asked for it:
session created → nothing runs; rows read `idle`
one session's turn → that session's project starts, nothing else
idle for idleTimeoutMs → scope disposed; rows read `idle` again
next turn → mounted again from scratch
The isolation rule is one pure, exported function — mountTrigger in
src/runtime.ts. A pass starts a session's servers only when that session
asks: its own turn, an operator request that names it, lazy: false, or a
session that already holds mounts and is being reconciled. A session that is
merely live — restored, listed, idle, or another session's neighbour — never
starts anything, so a twenty-project profile stays at zero children until one of
its own sessions works there.
Two agent-plane events drive it: agent/status (idle/running) marks
activity, and agent/pre-step is awaited by the loop, so the plugin can wait
for a pending mount (activationWaitMs, default 2 s) and the step's request
already sees the project's tools. The hook always continues the waterfall — a
project MCP server is never a reason to block an agent step.
A mount is released on the first path that exists; only the quiet session needs a clock:
a session the host no longer lists releases its mounts on the next pass — no
timer, no status event, and it works with idleTimeoutMs: 0;
agent/disposed, an explicit projectMcp.release(), and a move to another
project dispose the session's scope where it lives;
the idle sweep releases a quiet session after idleTimeoutMs. It reads the
host's own agent.status where the composition publishes one, so a session
whose idle transition never reaches the plugin cannot pin its mounts behind
a stale flag.
lazy: false restores eager mounting at session creation; idle release still applies.
activationWaitMs: 0 never waits: the first request of a reactivated session
may run without the project's tools, which appear from the next step on.
An operator call — projectMcp.syncNow(), projectMcp.syncSoon(),
projectMcp.retry() — requests every listed session, or only one project's
when it names a root, so it mounts a lazy declaration without a turn. That is
the one path that starts a server for a session which is not working, and it
is deliberate: the POST sync|retry routes and scripted reconciliation call
it. syncSoon() and retry() answer as soon as the request is accepted — the
pass is background work, and the panel reads its outcome off the status
channel instead of holding a response open for connectTimeoutMs.
Every created process writes exactly one info line naming the session, the
project root its working directory resolved to, and the trigger (turn,
mounted, eager, operator). It is written when the mount is created, never
by a rescan pass that re-derives the same mount.
The package has a browser half (./client) that registers a tab type with DSH's
own right sidebar — ctx.sidebarRightTabs for the type, the keyed
sidebar.right.pane.tab seat for the body (see src/client/sidebar-tab.ts) —
which the sidebar's guide page lists. A tab belongs to one conversation, so it
shows only that session's project — never
another one: the servers it declares and their merged live status, then the same
project broken down per session — which session holds a mount, which has not
turned yet, which one is this tab's — with Sync / Release actions. Release
gives one session's hold back: the shared instance keeps running while another
session of the project holds it, and stops when it was the last holder.
Both operator actions are scoped to the project the surface shows: the tab and the settings page name that root in the request, the host touches only its servers and answers with its slice of the snapshot (the settings page asks for the whole snapshot back, since it lists every project), and the pass is queued rather than awaited — the answer arrives immediately, not after the servers have settled.
Four view modes, switched in the toolbar and remembered in localStorage:
Servers (everything, the default), Tools (what the model sees of this
project — pins, disclosed and hidden tools, the budget line), Problems (only
error / conflict / connecting, grouped in that order, with Retry failed
alongside Sync) and Logs (the plugin's own event ring, below). Every state
that has nothing to list names what is missing instead of showing an empty box —
no session, no project marker above the session cwd, no declared server, or
nothing that needs attention.
The tab chip's actions menu carries one row of this plugin's own — Panel settings… — and the popup it opens is where the whole picture lives: every
project with a live session, not just this tab's, plus the panel's poll interval,
persisted in browser-local storage (dsh-project-mcp:servers:refreshMs). The row
dismisses the menu and the popup renders in DSH's shell.overlay floating layer,
so it outlives the menu it was opened from.
The browser half runs in its own process, so the panel does not call
the runtime in process: the host half registers HTTP routes on the DSH web server
(/project-mcp/snapshot|events|logs|sync|retry|release|save|pin|policy, see
src/ui.ts) and the panel fetches them. Responses are { ok: true, value } or
{ ok: false, error }.
GET /project-mcp/events is the status channel: Server-Sent Events, one frame
per change (event: change, data: { revision, snapshot }), and a hello frame
carrying the current picture the moment a panel subscribes. DSH's web server
hands a route the raw response and exempts text/event-stream from its gzip
filter, so the stream is not buffered; a comment frame every 15 s keeps an idle
connection warm. The panel stops polling while the stream is open and falls back
to its poll — DEFAULT_REFRESH_MS, or the interval from the settings popup —
whenever it is not (an older host half, a browser without EventSource, a
dropped connection, which EventSource reconnects on its own).
Logs is the tab's fourth mode and reads the plugin's own event ring
(src/logs.ts): up to 200 events per project, the snapshot carrying the latest
50 and GET /project-mcp/logs paging the rest (before cursor, limit). One
event is info / up / warn / error, carries the project root, optionally a
session and a server, and one line of message. The runtime publishes each of its
five lifecycle events once, through the notification service
(src/notifications.ts) — mounting, is up, a stall, a failed mount, unmounting
— and both readers subscribe to that publication: the ring, and the line the host
log gets. The tab and the log therefore carry the same event, with no second
write path to keep in step. Filters (this session / all sessions, all levels /
errors) are client-side and remembered per browser; the level opens on errors
and an empty list under that filter says the ring holds other events instead of
claiming there are none. Clear is a client mark in localStorage (logsClearedAt) —
there is no clear route. A page that fails to arrive is a line under the list,
not a broken tab.
Toasts are the same picture on the frame: a server that starts or stops while a
panel is subscribed floats a banner in DSH's shell.overlay floating layer
(src/client/toasts.ts) instead of only changing a row in a tab nobody is
looking at. They are fed by the same status channel — serverTransitions() diffs
what the change frames of GET /project-mcp/events say, and the baseline
hello frame only resets it, so a page load or a reconnect never reads as twenty
servers starting at once.
browser: ctx.inject(['slots', 'sidebarRightTabs'], s => s.sidebarRightTabs.register({ id, kind, … }))
s.slots.register({ name: 'sidebar.right.pane.tab', key: id }, Panel)
fetch('/project-mcp/snapshot')
host: ctx.webServer.register({ kind: 'prefix', path: '/project-mcp', … })
Requirements: react in the composition. If the composition has DSH's right
sidebar (slots + sidebarRightTabs), the tab type is registered; otherwise the
host half keeps mounting servers and the settings page, the configuration card and
the toasts still work. Client changes hot-reload (hard-refresh the browser);
host changes need a dsh web restart.
The browser half also contributes a page to DSH's own Settings
(settings.section, kind list, scope root, declared by the settings shell), a
Plugins settings section). That is the one surface where every project with a
live session is visible: a project picker plus two remembered views — Table (a
dense overview of server, transport, status, source and the enabled switch) and
By files (one card per declaring document, in priority order, each card showing
the servers it declares and the overrides <name> from <file> line a later
document caused). The view is remembered in browser-local storage
(dsh-project-mcp:settings-view); the page has no pluginSettings blob of its
own.
Alongside the two server views the same section carries the project's Tools
page, and every figure on it is the host's own: the mode and the pin list come
from the project policy (setPin / setPolicy write them back), the per-server
counters are read from the session's visible and deferred tool names by the
mcp__<server>__ prefix, and the request preview is the visible list plus the
serialized sizes (visibleChars / deferredChars, tokens = characters / 4).
There is no slot figure and no prefix switch: the budget is measured in
characters, and the mcp__<server>__ prefix is applied by
@deepseek-ai/dsh-mcp-client, not configured here.
Selecting a server opens the split editor: the project's servers on the left, the
parsed entry as a form in the middle, and a JSON pane on the right showing the
difference between what the document declares and the edit. The host half serves
the write path behind that form (POST /project-mcp/save, see Writing entries
below and docs/design/contracts/write-path.md); creating and deleting servers is a
separate step and is not part of it.
Registration is two-step and deliberately partial:
ctx.inject(['slots', 'locale'], (scope) => { // optional client services
scope.locale.addLanguage({ id: 'ru', label: 'Русский', fallback: 'en' })
scope.effect(() => scope.locale.register(NS, { zh, en, ru })) // + a second register for projectMcp.host
// The slot is declared by the Plugins section at runtime, and
// `slots.register` throws while it is undeclared — so wait for it.
scope.slots.inject('settings.section', () => scope.slots.register({ … }, SettingsTab))
})
The module-level inject is empty, and neither slots, nor sidebarRightTabs,
nor locale is listed there: an entry that waits on an optional service stays
pending, and DSH's web boot audit refuses to start while any entry is pending.
All three are read without gating the entry instead — the tab type and its two
seats park behind ctx.inject(['slots', 'sidebarRightTabs'], …) (so they register
whenever the composition has a right sidebar), and the tab's translate seat comes
from ctx.get('locale'). A property read of a service the fiber did not declare
throws cannot get property "…" without inject and fails the entry, which is
what took the whole GUI down in 0.1.9. The host half and every slot-based surface
continue without either service. The bundle requests
@deepseek-ai/dsh-client-ui-slots (a baseline platform module) and
package.json declares @deepseek-ai/dsh-client-locale and
@deepseek-ai/dsh-client-ui-settings under dsh.client.inject — package-name
materialization edges, not Cordis services.
POST /project-mcp/save writes one existing entry back to the document that
declares it (ServerRow.source — even when a higher-priority document overrides
it, because that is where the entry lives). The request carries the entry body,
the declaring document and the documentRevision the editor was built from.
Tiers (ServerRow.writeScope):
Order of the checks, all before a byte is written: the row exists (not-found);
the document belongs to a writable tier and, for global, both gates are open
(blocked); the request's revision equals the document's (conflict,
documentRevision is a short SHA-256 prefix of the bytes); the edited entry
passes the same parse path as mounting (invalid). Only then is the document
replaced: <document>.bak first, then a temporary file in the same directory,
then rename over the original — a failure at any step leaves the document
exactly as it was, and a write failure answers failed. Formatting is
normalized (two spaces, trailing newline) while every other key of the document
and every key the editor does not present are preserved. After the write the
project is rescanned and the answer carries the fresh snapshot
({ ok: true, value: <snapshot> }).
Secrets: env/headers values are handed to the editor only when the document
holds them literally. A masked key submitted without a value keeps what the
document declares, a key with a value writes that value, and a key the
submission omits is removed — so an editor that cannot see a secret can neither
erase nor replace it (value: '' is an empty value, not an omission). A key
answered outside the document — by the project's .env or by the credentials file
— is marked fromCredentials and its resolved value is never written back: the
declared text (usually a ${input:NAME} reference) stays as it is.
Errors keep the plugin's envelope and code: 400 for invalid, blocked,
not-found; 409 for conflict; 500 for failed.
A server that never comes up is the one failure a project-scoped mount cannot recover from on its own, so it is reported instead of being retried forever.
connecting — mounted, no tool yet. Normal while a command boots.
error after connectTimeoutMs — the mount produced no mcp__<name>__*
tool inside the window. The row (and a matching issues[] entry) then carries a
facts an operator needs: the server name and how long it has been waiting, its
endpoint, and the document that declared it.
gateway: no tool appeared in 4m 27s
endpoint: stdio docker
declared in: /repo/.dsh/mcp.json
Facts only, on purpose: the row already carries the status, the transport chip
and a Retry button, and a stdio server's own reason is on its stderr — in the
DSH log.
The watchdog is read-only: it never disposes a slow server, and a mount that
connects later goes back to active with the detail cleared.
error from activation — with failOnStartupError: true the failing
attempt itself rejects, and the row carries the underlying error plus the same
context; such a mount is never retried implicitly.
No respawn storms — a failed or stalled mount is not re-mounted on later
passes. Fix the cause, then call projectMcp.retry() (or edit the declaration,
which re-mounts it too).
Error text is redacted on purpose: it names the command but never its arguments, and an HTTP endpoint keeps its path but drops the query string, because both can carry credentials.
Measured by scripts/audit.mjs against the real mcp-client and real child
processes (with a 400-tool catalog stub) on Node 24.13 and Bun 1.4.2 — every
check passes on both:
What keeps it that way: only the project's own document directories are watched recursively (a flat watch on the project root notices a config directory appearing), watcher events are debounced, a rescan compares config digests and returns without doing anything when nothing changed, and the rescan timer, watchers and every scope the plugin minted — per session and per project — are released by the plugin fiber.
Verified with Node 24.13 and Bun 1.4.2 — both the plugin and its checks:
The plugin imports only node:fs, node:os and node:path, reads the ambient
process.env, and spawns MCP servers through @deepseek-ai/dsh-mcp-client, so it
behaves the same under either runtime. Watches prefer fs.watch({ recursive: true })
and fall back to flat watches on the project root and each config directory when a
runtime or platform cannot watch a tree recursively — the rescan timer covers the
rest either way.
# real Cordis host + real @deepseek-ai/dsh-mcp-client + a fixture stdio server
pnpm build && node scripts/live-smoke.mjs # prints the registered tool + snapshot
bun scripts/live-smoke.mjs # same check under Bun
# mount a real project's own documents and report what the servers publish
pnpm check:config . # -> tools: mcp__tglider__*
CHECK_CONFIG_TOOL=mcp__tglider__server_status pnpm check:config . # call one tool
# the sidebar tab against the frozen surface contract, out of a live profile
# (needs a profile that links this checkout: `dsh plugin --profile test-web add link:<workspace>`)
pnpm design:parity # PASS / ACCEPTED / SKIP / FAIL per element
design:parity boots the test-web profile's own dsh web (which must
link:<workspace> this checkout), opens the tab and compares the computed
styles of what the panel draws, row by row, with the expected values frozen as
literals inside scripts/design-parity.mjs — in the live shell's own theme.
The rationale for each rule lives in docs/design/contracts/surfaces.md §9 and
docs/design/contracts/single-surface.md: the doc explains, the script decides,
and a surface change updates both in the same pass. The gate no longer diffs
against a picture: the design stand (docs/design/mockups/harness.html) is a
proposal allowed to run ahead of the product. The panel is fed a payload of the host's own
shape, because a profile started only for this measurement has no live agent
until a session runs a turn, and the plugin publishes a project only for a live
agent: the fixture puts every state the contract names on screen at once. It
prints the profile, the session and the bundle (path, size, build time, sha256)
it used. ACCEPTED is a documented exception with its authority named in the
contract, and it fails as soon as that authority moves under it; SKIP is a row
the run could not observe, and is never counted as a pass. --dump prints both
raw captures, --watch the panel's own reading once a second.
Manual acceptance on a running GUI:
cwd is inside a project with .dsh/mcp.json (or whichever
document localFiles names) sees that project's mcp__<name>__* tools (check
the session tool catalog), and a second live session of the same project
resolves the same instance rather than a second process.serverName in
both projects resolves to different servers.package.json's version is the published version; a v<version> tag only selects
the commit, and the two are checked against each other before every publish.
Every push to main releases, when the commits since the last tag ask for one
(Conventional Commits: feat → minor, fix/perf/revert → patch, ! or a
BREAKING CHANGE: paragraph → major; docs, chore, ci, test and refactor
release nothing on their own). .github/workflows/release.yml runs the full
pnpm check gate, decides the version with scripts/next-version.mjs, writes that one
line of package.json, commits it as release: dsh-project-mcp <version>, tags it,
creates the GitHub Release, and calls npm-publish.yml to publish the tag to npm —
called rather than triggered, because a Release created with the workflow's own
GITHUB_TOKEN starts no other run. The decision reads both package.json and the
highest v* tag and takes the newer of the two, so a tag that outran its manifest
cannot publish the wrong number twice; before tagging, the job refuses to reuse a tag
or an already-published version rather than failing later inside npm publish.
To see what the next push would release:
node scripts/next-version.mjs # the decision, as JSON (nothing is written)
node scripts/next-version.mjs --bump patch # force a level over a docs-only range
The Release workflow also has a manual entry point (Run workflow: bump, dry_run)
for re-driving a run that died between its tag and npm. To publish by hand, create a
GitHub Release for a tag whose package.json already carries that version; the publish
job fails loudly when the two disagree. pnpm pack builds by itself (prepack), so a
hand-made tarball cannot ship the package without its lib/ — the shape the published
0.2.0 had.
The publish credential is an OIDC token, not a repository secret: the job asks for
id-token: write and exchanges it with npm's trusted publishing (registered for this
repository and npm-publish.yml on npmjs.com), so nothing has to be rotated and a
stale NODE_AUTH_TOKEN must not be set — it would take precedence over the exchange.
That job pins Node 24, because the exchange needs npm ≥ 11.5.1 and is performed by the
npm CLI: the pnpm 10 line has no trusted-publishing support, so pnpm publish there
would send the PUT unauthenticated and the registry would mask that as a 404.
npx/uvx/dnx stdio servers spawn a process
each, so a wide multi-project session graph still costs one child per project.
Use enabled: false, or keep a server in the profile when every project needs
it.mcpServers[<server>] in the document that declares it. Creating and deleting
servers, and writing a document that does not use an mcpServers object, are
not supported (the latter answers blocked).JSON.stringify of the generated config identical is
a no-op by design (no remount, no dropped connections).profileWins cannot un-mount a profile entry; remove it from
cordis.patch.yml to hand a server over to the project plane.This repository declares its own MCP server in .dsh/mcp.json — tglider
(TypeScript/JavaScript code intelligence) with --workspace ., which the plugin
resolves against the project root it launches in. pnpm check:config . mounts
that file through the plugin and lists the published mcp__tglider__* tools.
Project discovery — for every live agent (session), the plugin walks up
from agent.session.header.cwd to the first directory carrying a project
marker (.git, .dsh, .kimi-code, package.json, *.sln/*.slnx/*.csproj).
Scope minting — the project's servers are mounted once per project
inside a Cordis scope minted for it (createScope(hostCtx, projectKey)), the
same pattern the in-box browser-use-runtime uses for MCP servers. Every
session of that project gets its own scope, parented to the project's
(bindScopeParent(agent, projectKey)): the tools registry resolves a
session's catalog through that chain, so one instance serves every session
working in the project — subagents and Agent-Teams members included — and a
session of another project never resolves it.
dsh-scope binds a key's parent once, and a session composed from an
agent preset — every session of the Web GUI — has its key parented to that
preset's standing scope by the harness before the session is published. Such
a session cannot join the project's layer at all, so the plugin mounts the
same declarations under the session's own scope instead: an exact-key
layer always resolves for its own key, with no parent link to lose. That is
one instance per session rather than one per project, and the info line
says which of the two shapes a session got.
Reading the project's servers only after that link, or reporting a mount the
session cannot resolve as connected, is what the 60-second no tool appeared
row used to be: a healthy child process paired with an empty catalogue.
Lifecycle — agent/created mounts, agent/disposed (and the agent's own
effect) tears down, a debounced fs.watch plus a rescan timer pick up config
edits, and a config change disposes and re-mounts only the affected server.
The shared instance follows the project's last holder: a session that goes
idle, releases, is disposed, or moves to another project gives its hold back,
and the servers stop exactly when the last of them lets go.
Because @deepseek-ai/dsh-mcp-client reserves a serverName per registration
scope, two different projects may declare the same name (rider, gitea, …)
without colliding with each other or with the profile.
profile scope : gitea, context7, ... → every session
agent scope A : .dsh/mcp.json of project A → only sessions in A
agent scope B : .dsh/mcp.json of project B → only sessions in B
DSH does not import a plugin bundle. The web client concatenates several
plugins' client.js into one classic script and materializes each through a
Lazy-CJS module table:
// lib/client.js — generated by scripts/wrap-client.mjs
window.__ModuleLoader__.load({
id: 'dsh-project-mcp',
factory: (require) => { /* CJS body; require('react') resolves against the platform table */ },
})
Three consequences, each guarded by a check:
tsdown format: ['cjs']) and is wrapped
by scripts/wrap-client.mjs, which runs as part of pnpm build;import/export — it would be a
syntax error that aborts the whole batch, taking unrelated plugins down;require(...) must be a baseline module (react, react/jsx-runtime,
…). Anything else throws at materialization, because the require handed to a
factory is synchronous and cannot await a fetch.tests/bundle.spec.ts replays that exact load path against the built bundle and
pnpm audit re-checks the shell, the ESM-free body and the module requests.
src/index.ts plugin entry: Config schema, apply, projectMcp service
src/runtime.ts per-agent scope minting, mounting, diffing, watchers
src/discovery.ts project root + document paths + credentials + project .env files
src/parse.ts mcpServers -> mcp-client config, ${VAR}/${input:...}, dotenv/credentials, merge
src/write.ts editor write path: revision, declaration, atomic replace
src/ui.ts host HTTP routes: snapshot, events (SSE), sync, retry, release, save, pin, policy
src/usage.ts durable per-project tool-call counters
src/policy.ts durable per-project tool policy: mode (disclosure/direct/off), pins
src/guidance.ts project-MCP guidance section: deterministic text + wiring
src/types.ts snapshot/row vocabulary
src/client/ browser half: the right-sidebar tab and its settings popup,
the native Settings page (`settings.section`), shared view
helpers
tests/ unit tests (parse, discovery, runtime, guidance, both views),
plus a load-path guard for the wrapped client bundle
scripts/ MCP fixture server, live smoke test, resource audit,
project-config checker, bundle wrapper, panel screenshot and
the surface-parity check
Per-project MCP servers for DeepSeek Harness: mounts the MCP servers a project declares into the sessions working in it
{ "mcpServers": { "dsh-project-mcp": { "command": "npx", "args": [ "-y", "[email protected]" ] } }}เครื่องมือ
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ตรวจสอบล่าสุดเมื่อ 2026-11-14 Per-project MCP servers for DeepSeek Harness: mounts the MCP servers a project declares into the sessions working in it