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ChatGPT

Preflight for ChatGPT

io.github.evanfollis/preflight

Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.

client:ChatGPT transport:streamable-http tools:1

Install Preflight in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://skillfoundry.synaplex.ai/products/preflight/mcp/

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

What ChatGPT can do once it is connected

Preflight in other clients