Read-only source search and retrieval across configured GitHub repositories
To add Project Brain to Claude, run the install command below. Restart Claude Code after adding it and its tools show up in your next conversation. It needs 4 environment variables, listed below.
Install
docker run -i --rm ghcr.io/gentleelephant/project-brain:v2.0.3Environment variables
PROJECT_BRAIN_REPO_LISTSet in your MCP configPROJECT_BRAIN_STATE_DIRSet in your MCP configPB_GITHUB_TOKENSet in your MCP configPB_FETCH_TTLSet in your MCP configWhat this does
Project Brain exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
PROJECT_BRAIN_REPO_LIST PROJECT_BRAIN_STATE_DIR PB_GITHUB_TOKEN PB_FETCH_TTL
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Project Brain?
The install section on this page carries the maker's install command for Project Brain, as submitted. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Project Brain?
This page carries setup and config for Claude Code. Any other MCP client that accepts a standard server config can connect to Project Brain as well.
Does Project Brain need an API key?
Yes. Before it can run, set these environment variables: PROJECT_BRAIN_REPO_LIST, PROJECT_BRAIN_STATE_DIR, PB_GITHUB_TOKEN, PB_FETCH_TTL. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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