Lobby — AI Receptionist Toolkit (MCP server)

The official MCP server for Lobby — the bilingual AI front desk. It gives any AI agent five free, no-auth receptionist tools, served remotely over Streamable HTTP. No key, no signup, no install.

https://lobbyvoices.com/api/mcp

Connect

Claude Code

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

Cursor · Claude Desktop · any MCP client

{
  "mcpServers": {
    "lobbyvoices": { "url": "https://lobbyvoices.com/api/mcp" }
  }
}

Related MCP server: bubblyphone-agents

Tools

Every tool declares an outputSchema and returns structuredContent, so agents get typed JSON instead of text to parse.

Try it with curl

curl -X POST https://lobbyvoices.com/api/mcp \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"calculate_missed_call_cost","arguments":{"callsPerWeek":75,"missedRatePct":33,"avgJobValue":380}}}'

Also available as a plain REST API

The same capabilities are exposed as a free, no-key HTTP API — see the developer docs and the OpenAPI spec.

Fair use

No auth required. Per-IP rate limits (~30 requests/minute per tool) and hard input caps keep the service healthy. Building something bigger on top? Tell us.

About Lobby

Lobby is an AI front desk for small businesses: it answers every inbound call 24/7, books appointments, captures leads, and speaks English and Mexican Spanish — switching mid-call when the caller does. This MCP server runs on the same production stack.