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Cursor

OneSource MCP for Cursor

io.onesource/mcp

Blockchain data, Deepstate and Standard Reserve markets, live chain queries, and API docs

client:Cursor transport:stdio runtime:npm

Install OneSource MCP in Cursor

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

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{
  "mcpServers": {
    "mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@one-source/mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>",
        "ONESOURCE_API_KEY": "<ONESOURCE_API_KEY>"
      }
    }
  }
}

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

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