Klear-Team-Brain
Your team's collective memory for AI-assisted coding. Self-hosted, ultra-light, zero extra effort for the people doing the work.
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Your team's collective memory for AI-assisted coding. Self-hosted, ultra-light, zero extra effort for the people doing the work.
Turn your team's AI coding sessions, GitHub code, and docs into one shared, searchable memory — a self-hosted git truth store you query right from your editor over MCP.
English | 中文
Your team codes with Claude Code / Codex — but the context that actually matters (the reasoning, the why-it-changed, the dead ends) is trapped in each person's local AI chat, and it's gone the moment they close the tab. So:
Knowledge depends on "ask the right person." The moment they're busy or gone, the context breaks.
Klear-Team-Brain automatically pools your whole team's AI sessions into one shared memory, fused with live GitHub code state and your team's docs. Then you ask straight from your editor, or browse in a web UI:
"Where did the auth refactor land?" "How was the billing schema decided?" "Who's been touching the ETL this week?"
You get an answer synthesized across the team's sessions + code + docs, with citations. People doing the work do nothing; people who want to understand just ask — or open the dashboard.
git grep with zero server-side LLM calls — the understanding happens in the agent inside your editor.Prerequisites: Node 22+, and an MCP-capable editor/CLI (Claude Code or Codex) to ask from.
No npm/SaaS install — it's self-hosted by design. There's no public package or hosted service: clone this repo to run the server (or to trial it locally), and your teammates pull the client straight from your server with
curl …/get | bash— see Deploy for your team.
Want to kick the tires before standing up a server? Run the whole thing on your own machine as a single user:
git clone https://github.com/Asklear/Klear-Team-Brain.git && cd Klear-Team-Brain
npm install
npm run quickstart # one-time: mint a local identity + token, point the client at localhost, wire up MCP
npm run server # starts the truth store on http://127.0.0.1:8787 — leave this running
Then, in a second terminal, capture your local sessions:
npm run sync -- --once # capture once (or `npm run sync` to keep watching in the background)
Now ask from your editor, or open http://127.0.0.1:8787/ to browse. Everything stays on your machine. Prefer a containerized server? Use docker compose up -d — see DEPLOY.md.
docker compose. See DEPLOY.md — install Node, clone, set TRUTH_DIR, add a roster + tokens, put HTTPS in front, run as a service.curl -fsSL https://your-server.example.com/get | bash # downloads the client + registers the `brain` command
brain join <YOUR_INVITE_TOKEN> # verify + pick workspaces + wire up MCP + first sync + install resident
https://your-server.example.com/ to browse the dashboard.Once onboarded, the collector watches your AI sessions in the background and uploads each one as it stabilizes — no manual steps after that.
With MCP wired up, ask in plain language inside CC / Codex ("where did the auth refactor land?"). The agent treats the memory as a read-only folder and uses a handful of Unix-style primitives to locate, read, and synthesize — all tied together by a truth-store-relative path:
Server-side queries run via git grep / git ls-files / git log / fs — execFile, no shell, locked inside TRUTH_DIR, read-only — with zero server-side LLM calls.
Wiring other editors: the MCP server is a stdio server; the command is always
<node> <install-dir>/mcp/server.mjs(brain mcpprints your exact path). Add that as a stdio MCP server in Claude Code, Codex, or any MCP-capable client (Gemini CLI / Cursor / Cline / opencode…).Remote / cloud agents (HTTP transport): an agent that can't run the local stdio binary can mount the memory over HTTP instead — same tools, no local install. Point any MCP client at
POST https://your-server/mcpwith your member token as aBearerheader.Claude Code:
claude mcp add --transport http team-brain https://your-server/mcp \ --header "Authorization: Bearer <your-member-token>"Cursor / Cline / any
mcp.json:{ "mcpServers": { "team-brain": { "type": "http", "url": "https://your-server/mcp", "headers": { "Authorization": "Bearer <your-member-token>" } } } }Smoke-test from a shell (the endpoint accepts plain JSON-RPC — no special
Acceptheader needed):curl -s https://your-server/mcp -H "Authorization: Bearer <token>" \ -H "Content-Type: application/json" \ -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'It's a stateless, one-shot endpoint (POST in, JSON out — no session, no server-side LLM); multi-turn context stays on the calling agent's side.
The server hosts a static dashboard at / (nothing extra to deploy) — for people who'd rather scan than type: see overall team progress, filter sessions by person/repo/time, view token-usage and activity stats, and skim mirrored docs.
Browse sessions — filter by person/repo/time, sorted by recent activity:
Usage stats — aggregate tokens, sessions, and turns by day/week/person/repo/tool:
each machine (client) your server (self-hosted)
┌────────────────────────┐ ┌──────────────────────────────────┐
│ ① collector client/sync │ gzip+token │ ② server/server.mjs (HTTP, HTTPS │
│ resident, watches AI │ ──────────▶ │ via a proxy like Caddy) │
│ sessions; gated to the │ │ /ingest → git truth store │
│ allowlisted circle │ │ TRUTH_DIR + 4h repo poll → │
│ │ │ code-state │
│ query A: ask in editor │ search+fetch│ /grep /find /read /ls /log │
│ query B: open the web UI │ ◀────────── │ + static dashboard hosted at / │
└────────────────────────┘ └──────────────────────────────────┘
The memory is a single git repository fusing three sources — each captured where it naturally lives:
Design trade-off: only the "truth" (raw material + metadata) is kept clean and complete — because it's expensive and can't be rebuilt; "views" (queries / indexes / the dashboard) are swappable and throwaway. Sessions enter distilled (inline images stripped, giant tool outputs truncated — signal, not bytes); the byte-exact original stays on the producer's machine (
~/.codex/~/.claude).
upload_folders allowlist — inside the circle is shared by default, outside is private by default..md and at the /read exit. Each producer can also keep a personal redaction wordlist (client names, code names…) that's stripped before anything leaves their machine.brain viewer for a local console (127.0.0.1, only you can see it) that shows, per session, exactly what was uploaded vs skipped — and lets you exclude individual sessions, retract ones already in the shared store, or add personal redaction terms.Status: early, self-hosted, single-tenant. You run your own server; nothing leaves your infrastructure.
If your team keeps human-written docs (goals, decisions, notes) in a Lark/Feishu wiki, the server can one-way mirror those doc bodies into the memory, so the asking agent can grep/read them alongside sessions and code. Set it up once:
Create a custom app in the Lark/Feishu developer console (an enterprise custom app); note its App ID + App Secret.
Enable read scopes under Permissions: docx:document.readonly, drive:drive.readonly, wiki:wiki.readonly, then publish a version and have an admin approve it. (No search scope needed — the mirror is searched locally.)
Authorize the app on the whole wiki — the non-obvious step, and the one that actually gates access. A tenant-token app can only see wikis it's been explicitly added to, and the console won't let you add an app directly. Instead:
The app then has read access to the entire wiki (propagation takes ~1–2 minutes).
Drop credentials on the server: copy feishu.example.yaml → feishu.yaml (secret → gitignored), fill in app_id / app_secret, and restart. Leave it out entirely and the doc layer stays quietly off.
Verify: after a poll cycle, the docs appear under feishu/<wiki>__<id>/… in the memory, searchable via grep.
China Feishu (
open.feishu.cn) and international Lark (open.larksuite.com) are isolated platforms — create the app on whichever one your team uses. Create a new wiki later? Repeat step 3 for it, or the brain won't see it.
Doc mirroring is provider-pluggable — the same sync engine (server/docsync.mjs) backs every source, so each one is just a small adapter (core/<provider>.mjs + server/<provider>docs.mjs). Two more ship today, both gated by their own *.yaml (leave it out → that layer stays off) and both following the same "share with the bot, then it mirrors" model:
notion.example.yaml → notion.yaml, fill api_token, restart. Pages land under notion/<workspace>/….google.example.yaml → google.yaml, point it at the key, restart. Docs land under google/<workspace>/…. (Auth is a self-signed JWT — no extra SDK.)Unshared pages/docs stay invisible (the share is the real access gate); sub-pages and folder contents inherit. After a poll cycle everything is searchable via grep.
Confluence can follow the same adapter shape — contributions welcome.
It aggregates and helps you understand what's in CC/Codex sessions + GitHub + docs. It is not an IM, a project manager, or a code host, and doesn't replace them.
Issues and PRs welcome — see CONTRIBUTING.md and SECURITY.md. This project is developed internally and mirrored here; external contributions are reviewed and merged upstream, then flow back out.
Apache-2.0 © Asklear
Turn your team's AI coding sessions, GitHub code, and docs into one shared, searchable memory — a self-hosted git truth store you query right from your editor over MCP.
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Copie nesta página a configuração stdio para Cursor, Claude Desktop, Claude Code ou VS Code. Ela usa a instalação do publicador, não um proxy do PlugMCP.
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Klear Team Brain roda localmente via stdio.
Última verificação: 2026-10-28. Turn your team's AI coding sessions, GitHub code, and docs into one shared, searchable memory — a self-hosted git truth store you query right from your editor over MCP.
