1stCollab for ChatGPT

com.1stcollab/influencers

Manage influencer campaigns, negotiations, contracts, and creator content on 1stCollab.

client:ChatGPT transport:streamable-http

Install 1stCollab in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.1stcollab.com/mcp

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