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After the environment is ready, use the shortest path to verify the plugin: open the tool window → pick a provider → add credentials → send a message.

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Open the tool window

Use any of these:
  • Click CCG on the right tool-window strip
  • Search in Find Action and run an open / focus CC GUI action
  • Select code in the editor and press Cmd+Alt+K (Windows / Linux: Ctrl+Alt+K)
Open a real project first. Without a project, file references and the working directory have no context.

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Choose a provider

Open the provider picker at the bottom of the input box and start with one: Use Claude Code for the first try. Per-engine details are in Providers / CLI.

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Add credentials

Open Settings → Provider management.
Three common setups:
  1. Add provider: enter a name, API key, and base URL. Official direct access uses https://api.anthropic.com.
  2. Use local settings.json: authorize reading ~/.claude/settings.json. The plugin does not edit this file.
  3. Use CLI login: use this if you already signed in with the Claude CLI in a terminal.
Third parties such as Zhipu, Kimi, DeepSeek, MiniMax, and OpenRouter use Third-party / proxy presets.
API keys stay on this computer. Mask them before you take a screenshot or recording.

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Send the shortest message

Go back to the chat view and type:
Press Enter to send. If you changed the send shortcut to Cmd/Ctrl+Enter, use that instead. When it works, you should see:
  1. Your message in the chat area
  2. Status change to thinking or tool use
  3. A streaming assistant reply
First chat

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Try a reference on the first run

Send a code selection from the editor to CC GUI:
  1. Select a few lines
  2. Right-click and send the selection to CC GUI, or press Cmd+Alt+K (Windows / Linux: Ctrl+Alt+K)
  3. The input box inserts @file-path#Lstart-end
  4. Add “Explain this code” and send
You can also right-click a file in the project tree and send the file path to the input box.

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If you get no reply

For more troubleshooting, see FAQ.

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Next steps