origin_not_allowed

• Where: HTTP 403, and nothing started
• Charged: No
• Worth retrying: Not as it is. The request has to change first.

What happenedCopy Anchor Link

A browser page called the MCP server, and only a few known pages may.

What to doCopy Anchor Link

Call it from a server, or from a client that sends no Origin.

What it looks likeCopy Anchor Link

The real message and hint name the details of your request, such as the field and the values that work.

{
  "error": {
    "code": "origin_not_allowed",
    "message": "A browser page called the MCP server, and only a few known pages may.",
    "hint": "Call it from a server, or from a client that sends no `Origin`.",
    "retryable": false,
    "request_id": "req_01a1b37b65dc7dcd8c060f296add5cf8",
    "docs_url": "https://docs.nocamclub.com/errors/origin_not_allowed"
  }
}

All codes: Errors.