Skip to content
mcp/harbor
Cursor

Relay for Cursor

io.github.relayprotocol/relay-mcp

Cross-chain bridge and swap quotes, fee estimation, and transaction tracking via Relay Protocol.

client:Cursor transport:stdio runtime:npm

Install Relay 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": {
    "relay-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@relayprotocol/relay-mcp"
      ],
      "env": {
        "RELAY_API_KEY": "<RELAY_API_KEY>",
        "RELAY_API_URL": "<RELAY_API_URL>"
      }
    }
  }
}

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

Relay in other clients

Relay MCP server