Agent-neutral MCP server — SQLite store, Postgres knowledge base, Kart task queue
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# willow-mcp [](https://pypi.org/project/willow-mcp/) [](LICENSE) [](https://modelcontextprotocol.io) Agent-neutral MCP server with persistent memory and task execution. Works with any MCP client: Claude Code, Claude Desktop, Cursor, or any custom agent that speaks stdio MCP. > **Corpus memory:** the whole Willow constellation — the code, human, and collaboration corpora assembled and queryable — lives in the sovereign [`willow-compose`](https://github.com/rudi193-cmd/willow-compose) repo. The hub *calls* it; it doesn't live here (keeping the hub lean). **Three storage backends in one server:** - **SOIL store** — SQLite-backed local key/value store with full-text search and soft delete - **Postgres knowledge base** — multi-keyword searchable knowledge graph - **Kart task queue** — sandboxed task executor for shell commands and scripts Every tool call is authorized via a filesystem-based manifest ACL — no ACL database, no external auth service. See [Authorization](#authorization). ## Install ```bash pip install willow-mcp ``` Requires Python 3.11+. Postgres is optional — SOIL store works standalone. ```bash willow-mcp-init # scaffold $WILLOW_HOME (idempotent) willow-mcp-compile --force # compile manifests (use product venv — see below) willow-mcp-sign-seed hanuman # ratify home seed + detach-sign (operator terminal only) willow-mcp-compile-persona hanuman # seed → personas/hanuman.md (AS-7) ``` ### Local sandbox (one command) To take a fresh clone to a working stdio server — venv, editable install, scaffolded `$WILLOW_HOME`, compiled manifests, and (best-effort) a local Postgres with every table created — run: ```bash bash scripts/sandbox-bootstrap.sh # idempotent; ends with a live diagnostic_summary ``` On a bootstrapped sandbox the schema mappings for the tables the scr…
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