A Practical Guide to Running Codex CLI with a Custom Responses Provider
If you like agentic coding in the terminal, the useful question is not “which chat UI should I open?” It is: can my coding agent read this project, run commands, and use the model provider I configure without breaking my normal workflow? This guide shows how to configure OpenAI’s Codex CLI with Ace Data Cloud as an OpenAI Responses-compatible provider. The result is still the native codex…
The guide provides a practical approach to running Codex CLI with a custom responses provider, specifically Ace Data Cloud. This allows for seamless integration of the terminal-based coding agent with the desired provider, enabling it to read code, modify files, execute commands, and assist with daily development tasks. The guide emphasizes the importance of configuring the token securely by storing it in an environment variable and referencing it in the configuration file, avoiding the risk of leaking credentials in terminal history or logs.
The configuration process involves installing Codex CLI, creating a configuration file, and adding the provider block with the necessary details such as the model provider name, base URL, environment key, and wire API setting.
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