Zukko Blog
Guides to Claude Code, Cursor, Codex and the Claude and GPT APIs: setup, token savings and troubleshooting.
Claude Code vs Cursor: How They Differ and What to Pick
3 min · · claude-code
Claude Code lives in the terminal, Cursor in the editor. Where each tool fits and how to connect both through one gateway.
Cursor does not see your models after changing the base URL
2 min · · cursor
The key is in, the URL is replaced, and the model list is empty or verification fails. Four causes by frequency.
Base URL with or without /v1 — which client needs what
2 min · · setup
The same gateway needs different base URLs in different clients. Getting the suffix wrong yields a 404 with no useful explanation.
Paying for Cursor from Russia: connect your own API key
3 min · · cursor
Cursor's subscription needs a foreign card, but the editor can talk to any OpenAI-compatible API with your own key.