What3words MCP Server: Install & Setup

Install What3words in Claude Code

Remote URL

Claude Code

claude mcp add --transport http what3words https://gateway.pipeworx.io/what3words/mcp

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

{
  "mcpServers": {
    "what3words": {
      "url": "https://gateway.pipeworx.io/what3words/mcp"
    }
  }
}

npm

Claude Code

claude mcp add what3words -- npx -y @pipeworx/mcp-what3words

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

{
  "mcpServers": {
    "what3words": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-what3words"
      ]
    }
  }
}

Frequently asked questions

What does the What3words MCP server do?

what3words MCP — 3-word grid geocoding

Is the What3words 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 What3words run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add What3words to Claude Code?

Run: claude mcp add --transport http what3words https://gateway.pipeworx.io/what3words/mcp

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