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No MCP toggle in AI settings on Pro plan, and 401 error from Claude Code

(edited)

Hello,

We have the Pro plan for our project.

We want to turn on the MCP server. The docs say to go to AI → MCP and toggle it on.

But we don't see that. Our AI settings page only shows two things:

  • LLMs.txt toggle
  • AI Dropdown toggle

There is no MCP section and no toggle for it. We checked with an owner account. Still nothing.

We also tried connecting anyway. The MCP URL works: https://our-project.readme.io/mcp

We set it up in Claude Code like this (~/.claude.json)

"mcpServers": {
  "readme": {
    "url": "https://our-project.readme.io/mcp",
    "headers": {
      "Authorization": "Bearer xxx"
    }
  }
}

We used an API key from our API Keys page.

Claude Code gives this error:

Server rejected the configured Authorization header (HTTP 401).

Two questions:

  1. Where is the MCP toggle for Pro plan accounts? Do we need a different plan or add-on?
  2. Why do we get a 401 when the URL works and we used a valid API key?

Thanks for any help.