LienDeadline for ChatGPT

io.github.liendeadline/liendeadline-mcp

Statute-cited lien and notice deadlines for material suppliers; lien guides for 50 states and DC.

client:ChatGPT transport:streamable-http runtime:npm tools:3

Install LienDeadline in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.liendeadline.com/mcp

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