ZKStamp Proof-100 for ChatGPT
io.github.zkstamp/proof100
Shielded proof-of-existence timestamps on BitcoinZ (zk-SNARKs). Free trial: 3 proofs.
client:ChatGPT
transport:streamable-http
tools:3
Install ZKStamp Proof-100 in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://proof.zketernity.app/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs