{"id":"telnyx-mcp-server-fastmcp","name":"telnyx-mcp-server-fastmcp","af_score":54.5,"security_score":54.8,"reliability_score":26.2,"what_it_does":"Provides a Telnyx Local Model Context Protocol (MCP) server (Python/fastmcp) that exposes tools for telephony (calls/DTMF/audio), messaging (SMS/MMS), phone numbers, voice connection configuration, cloud storage (S3-like buckets), embeddings-related operations, and Telnyx secrets management. Includes an optional webhook receiver with ngrok tunneling and a parent-process monitoring/cleanup behavior.","best_when":"You want to use an MCP client (e.g., Claude Desktop) to perform Telnyx communications tasks locally with tool filtering and optional webhook support.","avoid_when":"You need a non-deprecated integration path, or you require documented rate-limit semantics, idempotency guarantees, and structured error schemas for MCP tool calls.","last_evaluated":"2026-04-04T21:42:31.566439+00:00","has_mcp":true,"has_api":false,"auth_methods":["TELNYX_API_KEY via environment variable (TELNYX_API_KEY)"],"has_free_tier":false,"known_gotchas":["Python MCP server is marked deprecated; prefer the TypeScript/new or remote MCP option for long-term use.","Webhook/ngrok initialization failures can cause the server to exit on startup; invalid ngrok authtoken or conflicts may require troubleshooting.","Tool execution depends on correct environment/CLI configuration (e.g., TELNYX_API_KEY, optional webhook/ngrok flags).","Agent runs may depend on the MCP client supporting local MCP server execution (e.g., Claude Desktop developer mode on Windows).","When using uvx, incorrect path can yield spawn ENOENT; README suggests fixing by using absolute uvx path."],"error_quality":0.0}