Before you start
You need a Lexomat account with MCP access (trial, starter, or plus — see Access tiers). You'll sign in to that account during setup.
Steps
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Open Settings → Security and login (or Connectors) and enable Developer mode.
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Choose add a remote MCP server.
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Enter the server URL:
https://api.lexomat.sk/mcp -
Choose OAuth as the auth method, and leave Client ID / Client Secret blank.
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Save, then sign in at lexomat.sk when prompted.
That's it — ChatGPT can now call the Lexomat tools described in Overview.