# Sienna for AI agents (Knobs.co)

> Ask Knobs.co's automated cabinet-hardware advisor one question and get one complete answer with product links.

- How to use: https://sienna.knobs.co/
- MCP server (Streamable HTTP, no auth, read-only): https://sienna.knobs.co/mcp
- HTTP endpoint: https://sienna.knobs.co/ask?q=<question> (Markdown; add &format=json for JSON)
- OpenAPI: https://sienna.knobs.co/openapi.json
- Store: https://knobs.co/ (cabinet knobs, pulls, hinges, bath and door hardware)
- Full planning with Sienna: https://knobs.co/pages/sienna?via=agent
- A person: https://knobs.co/pages/contact