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Troubleshooting: API & MCP

Troubleshooting information for using MoltSets's API and MCP.

Error: Unknown client_id

If you see an Unknown client_id error when connecting to the MoltSets MCP, one of these is usually the cause:

  1. Incorrect client_id. Double-check the client_id against the value on the API Keys page of the dashboard, then try again.

  2. Not logged into MoltSets first (Team/Enterprise Claude accounts). If you're on a Team or Enterprise plan, you need to log into the MoltSets app before connecting the MCP in Claude. Log in, then retry the connection.

  3. client_id belongs to an account you're not part of. This can happen if the key was copied from a teammate's account or an old workspace. Confirm the client_id was generated from an account you currently belong to. If you do not currently have a MoltSets account but your company does, ask your account owner to invite you to the company MoltSets account.

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