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1# Configuration Reference1# Configuration Reference
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3Complete reference for Codex config.toml and requirements.toml
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5Use this page as a searchable reference for Codex configuration files. For conceptual guidance and examples, start with [Config basics](https://developers.openai.com/codex/config-basic) and [Advanced Config](https://developers.openai.com/codex/config-advanced).3Use this page as a searchable reference for Codex configuration files. For conceptual guidance and examples, start with [Config basics](https://developers.openai.com/codex/config-basic) and [Advanced Config](https://developers.openai.com/codex/config-advanced).
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7## `config.toml`5## `config.toml`
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9User-level configuration lives in `~/.codex/config.toml`. You can also add project-scoped overrides in `.codex/config.toml` files. Codex loads project-scoped config files only when you trust the project.7User-level configuration lives in `~/.codex/config.toml`. You can also add project-scoped overrides in `.codex/config.toml` files. Codex loads project-scoped config files only when you trust the project.
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9For sandbox and approval keys (`approval_policy`, `sandbox_mode`, and `sandbox_workspace_write.*`), pair this reference with [Sandbox and approvals](https://developers.openai.com/codex/security#sandbox-and-approvals), [Protected paths in writable roots](https://developers.openai.com/codex/security#protected-paths-in-writable-roots), and [Network access](https://developers.openai.com/codex/security#network-access).
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11| Key | Type / Values | Details |11| Key | Type / Values | Details |
12| --- | --- | --- |12| --- | --- | --- |
13| `agents.<name>.config_file` | `string (path)` | Path to a TOML config layer for that role; relative paths resolve from the config file that declares the role. |13| `agents.<name>.config_file` | `string (path)` | Path to a TOML config layer for that role; relative paths resolve from the config file that declares the role. |