LEGION Verify: MCP tool-list history for ChatGPT

io.github.legion33shadow/legion-verify

Check if an MCP server changed its tools: signed history, per-server coverage, offline proofs.

client:ChatGPT transport:streamable-http tools:5

Install LEGION Verify: MCP tool-list history in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.legion-api.com/mcp

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