A remote MCP (Model Context Protocol) connector for DevStack API — the libraries.io successor: one keyless, normalized view of the whole developer registry across npm, PyPI, Docker Hub, and the VS Code Marketplace (search, package details, versions, download/pull stats), plus resolved dependency graphs (deps.dev), (OSV.dev), (deps.dev), and (ecosyste.ms).
Dev-registry data: npm/PyPI/Docker/VS Code packages, dep graphs, vulns, 50+ ecosystems.
2026-11-09
อัปไทม์การตรวจสอบ 1 ครั้งล่าสุด
ดาว
—
เครื่องมือ
10
อัปไทม์
100%
per-version vulnerabilities
OSSF Scorecard insights
cross-registry lookups over 50+ ecosystems
Target deploy:https://devstack-mcp.vercel.app/mcp — 10 tools. Since the upstream DevStack deployment is metered (RapidAPI/Apify) and gates /v1/* behind a RapidAPI proxy-secret guard, this connector authenticates its own outbound calls with that same proxy secret (DEVSTACK_MCP_PROXY_SECRET, sent as the X-RapidAPI-Proxy-Secret header) and applies a soft per-IP rate limit (DEVSTACK_MCP_RATE_LIMIT, default 30 tool-calls/hour, in-memory) so the free MCP tier stays a discovery channel rather than an unmetered bypass of the paid listing — see lib/ratelimit.js.
What this is, and why it's a separate connector
DevStack API is a plain REST API. Any HTTP client can already call it directly. This repo exists because MCP clients (Claude, ChatGPT, and other MCP-aware agents) don't consume arbitrary REST APIs — they consume MCP tools.devstack-mcp is a thin adapter layer that:
Exposes each DevStack endpoint as a discoverable, typed MCP tool (name, description, zod input schema, annotations) that an LLM can reason about and call directly, instead of having to be taught the REST surface out-of-band.
Speaks the MCP streamable-HTTP transport at a single /mcp endpoint, so it can be registered as a connector in Claude, ChatGPT, or any other MCP client with one URL.
Does nothing else. It has no business logic of its own — every tool call is a pass-through fetch to DevStack, and the JSON response DevStack returns is handed back verbatim as the tool result.
Authentication: None on the MCP side (deliberate)
DevStack's data has no per-user dimension at all — it's public developer-registry metadata (package listings, versions, download counts, dependency graphs, published CVEs). There is nothing to gate per-caller, so this connector intentionally ships with:
No OAuth, no login, no per-user bearer tokens
No Supabase / database
No demo-vs-real account split — every caller gets the same real, live data
The one server-side secret it carries (DEVSTACK_MCP_PROXY_SECRET) is not per-caller auth — it's how this connector, as a single consumer, gets past the upstream's RapidAPI proxy-secret guard to reach real data. Combined with the soft per-IP rate limit, that keeps this a free discovery tier over the metered DevStack product rather than an unmetered bypass of the paid RapidAPI/Apify listing.
Tool list
One tool per DevStack /v1 endpoint (from devstack-api/openapi.yaml):
Tool
DevStack endpoint
Description
get_package
GET /v1/package
Normalized package details by registry + name (registry=all fans out).
search_packages
GET /v1/search
Search npm/Docker/VS Code (or all); PyPI has no search API.
get_versions
GET /v1/versions
Published versions / image tags / extension versions.
get_downloads
GET /v1/downloads
Download / pull statistics (npm + PyPI only).
get_dependency_graph
GET /v1/deps
Fully resolved dependency graph for one exact version (deps.dev).
get_vulnerabilities
GET /v1/vulns
Known CVEs/GHSAs per package/version (OSV.dev).
scan_vulnerabilities_batch
POST /v1/vulns
Batch/lockfile vulnerability scan — up to 100 queries in one call (OSV.dev).
get_insights
GET /v1/insights
OSSF Scorecard + repo signal + licenses/advisories (deps.dev).
search_ecosystems
GET /v1/ecosystems/search
Cross-registry exact-name lookup across 50+ ecosystems (ecosyste.ms).
get_ecosystems_package
GET /v1/ecosystems/package
One package on one registry, with reverse-dependency counts (ecosyste.ms).
All 10 tools are read-only and annotated { readOnlyHint: true, destructiveHint: false, idempotentHint: true, openWorldHint: true }. scan_vulnerabilities_batch is an HTTP POST but is a read-only query (it mutates nothing), so it carries the same read-only annotations.
How it wraps devstack-api
Each tool handler does a plain fetch(\${DEVSTACK_MCP_API_BASE_URL}${path}`, ...)` against the real DevStack REST API and returns the parsed JSON as MCP tool-result content:
Upstream HTTP errors (4xx/5xx) are caught and surfaced as a typed MCP error result via an asError helper rather than crashing the request.
Environment variables
Env var
Purpose
Default
DEVSTACK_MCP_API_BASE_URL
Upstream DevStack base URL.
https://devstack-api.vercel.app
DEVSTACK_MCP_PROXY_SECRET
RapidAPI proxy secret, sent as X-RapidAPI-Proxy-Secret to pass the upstream /v1/* guard.
"" (omitted)
DEVSTACK_MCP_RATE_LIMIT
Soft per-IP tool-calls/hour cap for this free tier.
30
Project layout
api/mcp.js MCP endpoint (StreamableHTTPServerTransport, stateless, no per-caller auth)
api/health.js GET /api/health
lib/tools.js All 10 tool definitions (zod schemas + fetch-and-forward handlers)
lib/ratelimit.js Soft per-IP tools/call cap (free discovery tier)
local-server.js Plain-Node http server for local dev / smoke testing (not deployed)
test/smoke.mjs Real end-to-end smoke test (initialize, tools/list, tools/call)
vercel.json Routes /mcp -> api/mcp.js, /health -> api/health.js
server.json MCP registry publish manifest
Local development
npm install
npm run dev # starts local-server.js on http://localhost:3900
Endpoints locally: POST http://localhost:3900/mcp, GET http://localhost:3900/health.
To point at a self-hosted / open DevStack instance instead of production (useful for a fully keyless end-to-end run, since production's /v1/* is behind the RapidAPI proxy-secret guard):
# In devstack-api (guard is inert when RAPIDAPI_PROXY_SECRET is unset):
node server.js # listens on :8080
# In devstack-mcp:
DEVSTACK_MCP_API_BASE_URL=http://localhost:8080 npm run dev
Smoke test
npm run dev & # terminal 1
npm run smoke # terminal 2
test/smoke.mjs drives the running server over real HTTP/JSON-RPC and verifies:
GET /health returns { ok: true, ... }
initialize succeeds and reports serverInfo.name === "devstack"
tools/list returns all 10 tools with their zod-derived JSON schemas
tools/call for get_package with { registry: "npm", name: "react" } returns real package data fetched live (not mocked)
Against production, step 4 needs DEVSTACK_MCP_PROXY_SECRET set (the RapidAPI proxy guard); against a locally self-hosted devstack-api with no RAPIDAPI_PROXY_SECRET, the guard is inert and real data flows keyless.
Deploy
Not deployed by this build. Once ready:
cd /Users/isaiahdupree/Software/devstack-mcp
npx vercel --yes --prod
After deploy, set DEVSTACK_MCP_PROXY_SECRET in the Vercel project so the connector can reach the guarded production /v1/*, then register the MCP connector URL in Claude/ChatGPT/any MCP client:
Full normalized details for one package by registry + name, in a single unified Package shape across npm, PyPI, Docker Hub, and the VS Code Marketplace. name handles scoped npm ids (e.g. @types/node), Docker namespaces (e.g. library/nginx or a bare nginx for official images), and VS Code publisher.e
Search a registry for packages matching q. registry=all fans out to npm, Docker Hub, and the VS Code Marketplace and merges the results. PyPI has no public search API, so registry=pypi returns 400 not_supported — look a PyPI package up by name via get_package instead. Results are normalized PackageS
List published versions (npm/PyPI), image tags (Docker Hub, most recent 25), or extension versions (VS Code) for a package. registry=all is NOT supported here — pick a single registry. Each item carries version and released, plus registry-specific extras (files for PyPI, size for Docker tags).
Download statistics for a package. Only npm (via api.npmjs.org) and PyPI (via pypistats.org) support this; any other registry returns 400 not_supported. npm returns a period window with downloads, start, and end; PyPI returns last_day, last_week, and last_month totals.
The fully resolved dependency graph for one exact package version, via deps.dev. Returns a flat nodes[] array plus integer-index edges[] (walk from/to to rebuild the tree). Each node carries relation (self | direct | indirect) and a direct boolean; node[0] is always the queried root (relation: self)
Known vulnerabilities (CVE / GHSA / PYSEC / GO advisories) for a package, via OSV.dev. Pass version to filter to advisories affecting that exact version, or omit it for the package's full advisory history. Each result carries the OSV id, cross-id aliases, a severity word grade (LOW|MODERATE|HIGH|CRI
Scan many packages in one call — ideal for a whole lockfile. Pass a queries[] array (max 100) of { ecosystem, name, version? }; results are returned positionally aligned, one row per query, each with a count and a hydrated vulns[] array. Advisories are de-duplicated and hydrated across the batch. ec
Health and security insights for a package's source project, via deps.dev. Returns the linked source repository, GitHub stars/forks/openIssues, licenses, resolved dependencyCount, security advisories, and the full OSSF Scorecard (ossfScore 0..10 plus the per-check breakdown). Omit version to use the
Look a package name up across 50+ registries at once, via ecosyste.ms. This is an EXACT-name lookup (not fuzzy full-text): q=react returns the react package everywhere it exists (npm, cargo, nuget, pub, bower, …), each as a normalized ecosystemsPackage with reverse-dependency counts. Pass ecosystem
Full normalized metadata for one package on one of 50+ registries, via ecosyste.ms — including the fields v1 registries can't give you: dependentReposCount and dependentPackagesCount (reverse dependencies), ecosystem, and vulnerabilityCount. Scoped/namespaced names are handled automatically. Returns
คัดลอกคอนฟิก http สำหรับ Cursor, Claude Desktop, Claude Code หรือ VS Code ได้ในหน้านี้ คอนฟิกนี้ใช้การติดตั้งของผู้เผยแพร่ ไม่ใช่พร็อกซีของ PlugMCP