Poplar Social Media Scheduler for ChatGPT
com.usepoplar/poplar
Write, schedule and measure social posts in your brand voice, with approvals.
client:ChatGPT
transport:streamable-http
Install Poplar Social Media Scheduler in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://usepoplar.com/mcp/coreCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs