Relay MCP Server: Install & Setup

Install Relay in Claude Code

Claude Code

claude mcp add reservoirprotocol-relay -- npx -y @relayprotocol/relay-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "reservoirprotocol-relay": {
      "command": "npx",
      "args": [
        "-y",
        "@relayprotocol/relay-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Relay MCP server do?

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

Is the Relay MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Relay run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Relay to Claude Code?

Run: claude mcp add reservoirprotocol-relay -- npx -y @relayprotocol/relay-mcp

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