PR-Braincells

What is PR-Braincells?

PR-Braincells is an MCP server that uses markdown files stored in a designated directory to generate helpful answers. It is designed as a test server for knowledge cells written in a specific markdown format.

How to use PR-Braincells?

Clone the repository, run npm install, set the CELLS_DIRECTORY environment variable to the folder containing your markdown cells, and build with npm run build. Configure the server in your IDE’s MCP settings by specifying the Node.js command and path to the built index.js.

Key features of PR-Braincells

• Uses markdown files as knowledge cells.
• Directory path configured via CELLS_DIRECTORY environment variable.
• Built as a simple Node.js MCP server.
• Requires a build step (npm run build).
• Can be integrated into any MCP-compatible IDE.

Use cases of PR-Braincells

• Testing MCP server functionality with markdown-based knowledge.
• Generating answers from a personal collection of structured notes.
• Quick prototyping of a note-driven MCP assistant.

FAQ from PR-Braincells

What file format should the markdown cells follow?

The README states that only files written in a "correct format" inside the cells folder can be used to generate helpful answers, but it does not specify the exact format.

How do I specify the directory for my markdown files?

Set the CELLS_DIRECTORY environment variable to the full path of the folder containing your knowledge cells.

What runtime does PR-Braincells require?

The server runs on Node.js, as the MCP configuration uses the node command to start the built script.

How do I build the server after making changes?

Run npm run build in the project root to compile the TypeScript (or source) code.

Can PR-Braincells be used with any IDE?

Yes, as demonstrated by the mcp.json configuration example, the server can be added to any IDE that supports MCP by specifying the command, arguments, and environment variables.