Relay MCP Server: Install & Setup

Install Relay in Claude Code

Claude Code

claude mcp add --transport http yesrelay-relay https://api.yesrelay.com/api/mcp

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

{
  "mcpServers": {
    "yesrelay-relay": {
      "url": "https://api.yesrelay.com/api/mcp"
    }
  }
}

Frequently asked questions

What does the Relay MCP server do?

Business phone and SMS for teams: calls, texts, transcripts, contacts and call flows.

Is the Relay MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Relay run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Relay to Claude Code?

Run: claude mcp add --transport http yesrelay-relay https://api.yesrelay.com/api/mcp

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