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The Codex VS Code extension shares ~/.codex/config.toml with the Codex CLI.

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1. Obtain API Key

Open the Ace Data Cloud application list, enter the available application, and copy the API Key. Obtain Ace Data Cloud API Key

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2. Install Extension

Install Codex – OpenAI’s coding agent published by OpenAI from the VS Code extension marketplace, or run:

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3. Set API Key

macOS / Linux:
To make it permanent, add this line to ~/.zshrc or ~/.bashrc. For Windows PowerShell, use:

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4. Configure AceDataCloud

Edit ~/.codex/config.toml (for Windows, it is %USERPROFILE%\.codex\config.toml), and add:
For Windows, change the last two lines to:
No need to fill in model; you can select the model in the Codex panel.

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5. Restart and Verify

Completely exit and reopen VS Code, then open the Codex panel. Run /model, confirm that the Provider is acedatacloud, and then send a simple message; the call records can be viewed in Usage History. If the extension cannot read the Key, please start VS Code from a terminal where the environment variable is set, or set the system-level environment variable and then restart VS Code. Remote SSH, WSL, and Dev Container need to be configured in the environment where the extension is actually running.