Cairn
About
About A repo-native task graph as plain Markdown files, served to AI agents over MCP and to humans over a clean web UI .
Details
- Author
- shahrammebashar
- Categories
- Productivity, Project Management, Knowledge Base, Automation
Jump to
Setup
Install Cairn in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/shahrammebashar/cairn
Follow the installation instructions in the repository README, then restart your MCP client.
Repo-native task management. One task graph your agents and you share.
Download·Documentation·Connect an agent·SPEC·Changelog
cairn is a task graph that lives asMarkdown files in your repository. A single Go binary (cairn) serves it to AI agents overMCPand to humans over a clean web UI. One source of truth: the files. One rule-set:internal/task. No database.
- Lives in your repo.A task is Markdown (YAML frontmatter for the machine, a prose body for humans). Tasks branch, merge, and review like code; a task's historyisits git history.
- Built for agents.Agents list ready work, claim it, run an observable session with heartbeats, and hand off for review. Every write is stamped with the actor that made it.
- One rule-set, two front-ends.The web UI and the MCP server are thin adapters over the same engine, so an agent and a human always see the same gates and the same readiness.
- Connect any agent in one click.The Connect page detects installed agents and writes their MCP config for you, each under its own identity.
make build # -> bin/cairn cairn web --repo . # open the board in your browser
Then open theConnectpage and wire up an agent in one click, or do it by hand:
claude mcp add cairn -- "$(pwd)/bin/cairn" serve --actor agent:claude --repo "$(pwd)"
Full walkthrough:Installation→Quickstart.
One-click connect forClaude Code, Cursor, Codex, Windsurf, OpenCode, Kilo Code, and Pi; a copy-paste guide forAntigravityand any other MCP client. See theAgents guide.
make check # gofmt + go vet + go test ./... make web-dev # Vite dev server (proxies /api -> :8080) make desktop-dev # native window against a dev server
This repo dogfoods cairn: its own work is tracked in.cairn/. SeeAGENTS.mdand.cairn/WORKFLOW.md.
cairn is alocal, single-usertool with no authentication by design. SeeSECURITY.mdfor the trust model and how to report a vulnerability.
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