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How to install RelayMCP in Cursor

To install RelayMCP in Cursor, click "Add to Cursor" on this page or paste the "relaymcp" block into ~/.cursor/mcp.json, then check for a green dot in Cursor Settings under MCP.

Built from the published package · server updated 8 days ago

  1. 1

    One click (fastest)

    Click the button to open Cursor with this server ready to add.

    Add RelayMCP to Cursor
  2. 2

    Or add it by hand

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

    {
      "mcpServers": {
        "relaymcp": {
          "url": "https://{user}-mcp.relaymcp.app/mcp"
        }
      }
    }
  3. 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 RelayMCP needs an API key, add it under env in the config. Check its README.

Install RelayMCP in another app

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Questions

Does RelayMCP work in Cursor?

Yes. Cursor supports local and remote mcp servers, and RelayMCP installs with the steps above.

RelayMCP 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 RelayMCP safe?

It scores 30 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.