ai.luw/studio

Luw Studio

Is the Luw Studio MCP server down? No. It is up and needs auth (HTTP 401), probed 2026-11-14.

Design buildings in 3D by chat: rooms, walls, doors, windows, stairs, roofs and furniture.

needs auth probed 2026-11-14 · HTTP 401 · Bearer

24tools, from the package @luw-ai/mcp

13ktokens in Claude Opus 5.5

6.6 %of Claude's 200k window

The server needs auth, so these tool definitions were read from the publisher's open-source package npm:@luw-ai/mcp, started in a container with placeholder values and the network off, on 2026-11-14. Tool definitions do not depend on the token, so this is what an authorized user loads, unless the server hides tools by plan or role.

Streamable HTTP error: Error POSTing to endpoint: {"error":"unauthorized","error_description":"Sign in to Luw.ai, or send an API key as Authorization: Bearer <k

Endpoint: https://mcp.luw.ai/studio (streamable-http)
Host: mcp.luw.ai
Of a 1M window: 1.3 % of a 1M context window
Getting access: OAuth with dynamic client registration. A client such as Claude Code, Cursor or npx mcpcost auth https://mcp.luw.ai/studio registers itself and opens the consent page; the publisher has nothing to set up for you.
Authorization server mcp.luw.ai, PKCE S256, grants authorization_code.
Read from the server's public OAuth metadata, without a token. Method.
Repository: https://github.com/Luvi-io/luw-mcp
Website: https://studio.luw.ai
Registry: active, updated 2026-11-13 · registry entry

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Badge for the README

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Atom feed

A mail when this server changes

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

For the publisher

The server answers HTTP 401 to an unauthenticated initialize, so the probe cannot list its tools. That is correct for a private server. Some public servers answer initialize and tools/list without credentials and ask for auth on tool calls only; those get a token count here.

Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.