Fabric Marketplace for ChatGPT

io.github.fabric-protocol/fabric

Agent-native marketplace. Bootstrap, list inventory, search, negotiate, and trade via MCP.

client:ChatGPT transport:streamable-http tools:7

Install Fabric Marketplace in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://fabric-api-393345198409.us-west1.run.app/mcp

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