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Cursor crosscheck check

How to: Cursor crosscheck check

client:Cursor transport:streamable-http tool:check

Add crosscheck to Cursor

  1. 01

    Open ~/.cursor/mcp.json and merge this in. Keep any servers already there.

{
  "mcpServers": {
    "crosscheck": {
      "url": "https://crosscheckapi.com/mcp"
    }
  }
}
  1. 02

    Save the file and restart Cursor.

  2. 03

    Ask for something check does. Cursor lists the server's tools on connect and calls check itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that crosscheck's identifier in your config matches the one above exactly.

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Set these first

crosscheck will not start until these are set, so check never becomes available.

  • CROSSCHECK_WALLET_KEY
  • CROSSCHECK_MAX_USD
  • CROSSCHECK_NETWORKS

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 25 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.