Syl Guardian for ChatGPT

io.sylai/guardian

Causal guardrail: pass/caution/hold verdict on a causal claim before an agent acts.

client:ChatGPT transport:streamable-http tools:2

Install Syl Guardian in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://guardian.sylai.io/mcp

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