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trestle_validate_phone — Trestle MCP by usefulapi MCP Tool

trestle_validate_phone (trestle validate phone) is one of 2 tools on the Trestle MCP by usefulapi MCP server. Connect the server and your client discovers it on the handshake.

by client

How to call trestle_validate_phone from your client

Fastest route

claude mcp add --transport http trestle https://trestle.usefulapi.io/mcp

Other tools on this server

This list was read from the server itself, by connecting to it and calling tools/list on 7 November 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.