Ask your AI assistant when your preliminary notice and mechanics lien deadlines fall, and get the statute behind every date. This MCP server connects Claude, ChatGPT, Cursor, VS Code and any other MCP client to LienDeadline, the deadline engine for US construction material suppliers. There is nothing to install: add one URL.
| Client | How to add it |
|---|---|
| Claude (web, desktop, mobile) | Open LienDeadline in Claude's Connectors directory and connect it. |
| Claude Code | claude mcp add --transport http liendeadline https://mcp.liendeadline.com/mcp |
| Cursor |  |
| VS Code | |
| ChatGPT | Open Plugins, select + → Add custom MCP server, paste the URL above and choose No authentication. |
| Codex CLI | codex mcp add liendeadline --url https://mcp.liendeadline.com/mcp |
| Any MCP client | Streamable HTTP at the URL above, no authentication. |