How to install Pi Lean Ctx in Cursor

To install Pi Lean Ctx in Cursor, click "Add to Cursor" on this page or paste the "pi-lean-ctx" block into ~/.cursor/mcp.json, then check for a green dot in Cursor Settings under MCP.

Built from the published package · server updated yesterday

1
One click (fastest)
Click the button to open Cursor with this server ready to add.
Add Pi Lean Ctx to Cursor

Or add it by hand

Open Cursor Settings, then MCP, then Add new MCP server, or edit mcp.json directly and paste:

{
  "mcpServers": {
    "pi-lean-ctx": {
      "command": "npx",
      "args": [
        "-y",
        "pi-lean-ctx"
      ]
    }
  }
}

3
Turn it on
In Settings, MCP, make sure the server shows a green dot. Use it in Agent mode.

Config file: ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project)

MCP servers run with your permissions. If Pi Lean Ctx needs an API key, add it under env in the config. Check its README.

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Claude Code Claude Desktop VS Code Windsurf Codex Gemini CLI Antigravity CLI ChatGPT

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Questions

Does Pi Lean Ctx work in Cursor?

Yes. Cursor supports local and remote mcp servers, and Pi Lean Ctx installs with the steps above.

Pi Lean Ctx does not show up in Cursor. What now?

Restart Cursor fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is Pi Lean Ctx safe?

It scores 93 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.