Duchamp for ChatGPT

io.github.duchamp-app/duchamp

Market-tested ad research for coding agents: working ads, keyframes and transcripts over MCP.

client:ChatGPT transport:streamable-http

Install Duchamp in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://duchamp.app/api/mcp

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