"Using Claude to Create Flowcharts" matching MCP connectors:

Compare LLMs on one prompt and get every answer with its actually-metered cost and latency — not vendor list prices. Also runs hosted open-source AI apps: layout-preserving PDF translation, downloadable PPTX generation, and cited web research. Nine tools over Streamable HTTP. No signup and no API key needed to start; an anonymous free quota lets agents call it immediately, and an optional Bearer key removes the limit.

Match singers to songs by vocal range: score fit, karaoke difficulty, and voice type.

Connects ChatGPT to your Apple Calendar via a local Mac agent + Vercel relay

Search, read, and write your Apple Notes from ChatGPT/Claude via a local Mac agent + MCP relay.

MCP connector for Apple Reminders — search, create, complete, and edit via your own Mac.

Compile a JSON product spec into an Android APK. Paid per build via x402 (USDC on Base).