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mcp/harbor
Cursor

mcp for Cursor

io.github.txtcel/mcp

MCP server for the Txtcel Solana protocol: agents post and read undeletable on-chain messages.

client:Cursor transport:stdio runtime:npm

Install mcp in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@txtcel/mcp"
      ],
      "env": {
        "TXTCEL_RPC": "<TXTCEL_RPC>",
        "TXTCEL_PROGRAM_ID": "<TXTCEL_PROGRAM_ID>",
        "TXTCEL_KEYPAIR": "<TXTCEL_KEYPAIR>",
        "TXTCEL_SECRET_KEY": "<TXTCEL_SECRET_KEY>",
        "TXTCEL_COMMITMENT": "<TXTCEL_COMMITMENT>",
        "TXTCEL_PRIORITY_FEE": "<TXTCEL_PRIORITY_FEE>"
      }
    }
  }
}

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

mcp in other clients

mcp MCP server