Browser Proof for ChatGPT

io.github.shin1219-eng/browser-proof

Evidence-backed web verification for agents with deterministic JSON, text evidence, and screenshots.

client:ChatGPT transport:streamable-http

Install Browser Proof in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://proof.reprompt.jp/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs