Offense for ChatGPT

io.github.offense-research/offense

Security tools for coding agents: dependency advisory audits and evidence for remediation.

client:ChatGPT transport:streamable-http tools:1

Install Offense in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://offense.sh/mcp

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