Managing MCP servers in ThinkRail

ThinkRail uses pi's built-in MCP support but has no pi executable. Never run pi mcp add, pi mcp login or other pi commands; edit the configuration files and point the user at Settings › MCP servers for everything that needs them.

Where servers are configured

• User level — pi's agent directory, usually ~/.pi/agent/mcp.json: available in every project.
• This repository — .pi/mcp.json in the worktree, tracked in git. A server defined here does not run until the user approves it in Settings, and any later change to its entry needs approval again. It only loads when the user trusts the project.

Both files use pi's format: