Manufact
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CarGurus
mcp-apps.api.cargurus.com/chat-mcp/v1/stream
Not ready
Protocol
MCP negotiation succeeds (v1/v2)
Failed to connect: Could not connect via streamable HTTP: Server returned 406: Error POSTing to endpoint:
FAQ
CarGurus install, tools, readiness, and alternatives.
How do I add CarGurus to Claude, ChatGPT, or Cursor?
Add CarGurus to Claude, ChatGPT, or Cursor by connecting its remote MCP URL in each client's MCP settings. In Claude, add a custom connector. In ChatGPT, add an MCP app. In Cursor, add an MCP server under Settings. The MCP URL is https://mcp-apps.api.cargurus.com/chat-mcp/v1/stream.
Is CarGurus MCP ready for ChatGPT and Claude?
As of September 15, 2026, CarGurus scores 0/100 on Manufact's MCP publishing checklist. The scan does not yet meet ChatGPT publishing checks and does not yet meet Claude publishing checks.
Why is CarGurus failing MCP readiness checks?
CarGurus scored 0/100 on the latest Manufact MCP publishing checklist, below the 70-point ready band. The top failing check is MCP negotiation succeeds (v1/v2). Failed to connect: Could not connect via streamable HTTP: Server returned 406: Error POSTing to endpoint: Paste the MCP URL into the Manufact MCP catalog to rerun the scan.
Not your MCP?
Scan any public or OAuth MCP URL against ChatGPT and Claude publishing checks. No account required.