sigma gate for ChatGPT

io.github.spektre-labs/sigma-gate

Deterministic trust gate for AI output: leaked-secret, prompt-injection & PII in one call.

client:ChatGPT transport:streamable-http

Install sigma gate in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://sigma-gate-864996675261.us-central1.run.app/mcp

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