mcp for ChatGPT
com.verifyum/mcp
Privacy-preserving file proofs on Solana. Files are hashed locally. Currently free, no API key.
client:ChatGPT
transport:streamable-http
tools:3
Install mcp in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.verifyum.com/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs