enterprise/managed-configuration.md Codex Docs, 2026-02-27 18:15 UTC → 2026-04-23 18:31 UTC

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8## Admin-enforced requirements (requirements.toml)8## Admin-enforced requirements (requirements.toml)

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10Requirements constrain security-sensitive settings (approval policy, sandbox mode, web search mode, and optionally which MCP servers can be enabled). When resolving configuration (for example from `config.toml`, profiles, or CLI config overrides), if a value conflicts with an enforced requirement, Codex falls back to a requirements-compatible value and notifies the user. If an `mcp_servers` allowlist is configured, Codex enables an MCP server only when both its name and identity match an approved entry; otherwise, Codex disables it.10Requirements constrain security-sensitive settings (approval policy, approvals reviewer, automatic review policy, sandbox mode, web search mode, and optionally which MCP servers users can enable). When resolving configuration (for example from `config.toml`, profiles, or CLI config overrides), if a value conflicts with an enforced rule, Codex falls back to a compatible value and notifies the user. If you configure an `mcp_servers` allowlist, Codex enables an MCP server only when both its name and identity match an approved entry; otherwise, Codex disables it.

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12Requirements can also constrain [feature flags](https://developers.openai.com/codex/config-basic/#feature-flags) via the `[features]` table in `requirements.toml`. Note that features aren't always security-sensitive, but enterprises can pin values if desired. Omitted keys remain unconstrained.

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12For the exact key list, see the [`requirements.toml` section in Configuration Reference](https://developers.openai.com/codex/config-reference#requirementstoml).14For the exact key list, see the [`requirements.toml` section in Configuration Reference](https://developers.openai.com/codex/config-reference#requirementstoml).

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14### Locations and precedence16### Locations and precedence

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16Requirements layers are applied in this order (earlier wins per field):18Codex applies requirements layers in this order (earlier wins per field):

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181. Cloud-managed requirements (ChatGPT Business or Enterprise)201. Cloud-managed requirements (ChatGPT Business or Enterprise)

192. macOS managed preferences (MDM) via `com.openai.codex:requirements_toml_base64`212. macOS managed preferences (MDM) via `com.openai.codex:requirements_toml_base64`

203. System `requirements.toml` (`/etc/codex/requirements.toml` on Unix systems, including Linux/macOS)223. System `requirements.toml` (`/etc/codex/requirements.toml` on Unix systems, including Linux/macOS, or `%ProgramData%\OpenAI\Codex\requirements.toml` on Windows)

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22Across layers, requirements are merged per field: if an earlier layer sets a field (including an empty list), later layers do not override that field, but lower layers can still fill fields that remain unset.24Across layers, Codex merges requirements per field: if an earlier layer sets a field (including an empty list), later layers don't override that field, but lower layers can still fill fields that remain unset.

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24For backwards compatibility, Codex also interprets legacy `managed_config.toml` fields `approval_policy` and `sandbox_mode` as requirements (allowing only that single value).26For backwards compatibility, Codex also interprets legacy `managed_config.toml` fields `approval_policy` and `sandbox_mode` as requirements (allowing only that single value).

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52Admins can configure different managed requirements for different user groups, and also set a default fallback requirements policy.54Admins can configure different managed requirements for different user groups, and also set a default fallback requirements policy.

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54If a user matches multiple group-specific rules, the first matching rule applies. Codex does not fill unset requirement fields from later matching group rules.56If a user matches more than one group-specific rule, the first matching rule applies. Codex doesn't fill unset fields from later matching group rules.

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56For example, if the first matching group rule sets only `allowed_sandbox_modes = ["read-only"]` and a later matching group rule sets `allowed_approval_policies = ["on-request"]`, Codex applies only the first matching group rule and does not fill `allowed_approval_policies` from the later rule.58For example, if the first matching group rule sets only `allowed_sandbox_modes = ["read-only"]` and a later matching group rule sets `allowed_approval_policies = ["on-request"]`, Codex applies only the first matching group rule and doesn't fill `allowed_approval_policies` from the later rule.

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58#### How Codex applies cloud-managed requirements locally60#### How Codex applies cloud-managed requirements locally

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60When a user starts Codex and signs in with ChatGPT on a Business or Enterprise plan, Codex applies managed requirements on a best-effort basis. Codex first checks for a valid, unexpired local managed requirements cache entry and uses it if available. If the cache is missing, expired, invalid, or does not match the current auth identity, Codex attempts to fetch managed requirements from the service (with retries) and writes a new signed cache entry on success. If no valid cached entry is available and the fetch fails or times out, Codex continues without the managed requirements layer.62When a user starts Codex and signs in with ChatGPT on a Business or Enterprise plan, Codex applies managed requirements on a best-effort basis. Codex first checks for a valid, unexpired local managed requirements cache entry and uses it if available. If the cache is missing, expired, corrupted, or doesn't match the current auth identity, Codex attempts to fetch managed requirements from the service (with retries) and writes a new signed cache entry on success. If no valid cached entry is available and the fetch fails or times out, Codex continues without the managed requirements layer.

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62After cache resolution, managed requirements are enforced as part of the normal requirements layering described above.64After cache resolution, Codex enforces managed requirements as part of the normal requirements layering described above.

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64### Example requirements.toml66### Example requirements.toml

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76allowed_web_search_modes = ["cached"] # "disabled" remains implicitly allowed78allowed_web_search_modes = ["cached"] # "disabled" remains implicitly allowed

77```79```

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79`allowed_web_search_modes = []` effectively allows only `"disabled"`.81`allowed_web_search_modes = []` allows only `"disabled"`.

80For example, `allowed_web_search_modes = ["cached"]` prevents live web search even in `danger-full-access` sessions.82For example, `allowed_web_search_modes = ["cached"]` prevents live web search even in `danger-full-access` sessions.

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84You can also pin [feature flags](https://developers.openai.com/codex/config-basic/#feature-flags):

85 

86```

87[features]

88personality = true

89unified_exec = false

90```

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92Use the canonical feature keys from `config.toml`'s `[features]` table. Codex normalizes the resulting feature set to meet these pins and rejects conflicting writes to `config.toml` or profile-scoped feature settings.

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94### Configure automatic review policy

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96Use `allowed_approvals_reviewers` to require or allow automatic review. Set it

97to `["auto_review"]` to require automatic review, or include `"user"` when users

98can choose manual approval.

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100Set `guardian_policy_config` to replace the tenant-specific section of the

101automatic review policy. Codex still uses the built-in reviewer template and

102output contract. Managed `guardian_policy_config` takes precedence over local

103`[auto_review].policy`.

104 

105```toml

106allowed_approval_policies = ["on-request"]

107allowed_approvals_reviewers = ["auto_review"]

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109guardian_policy_config = """

110## Environment Profile

111- Trusted internal destinations include github.com/my-org, artifacts.example.com,

112 and internal CI systems.

113 

114## Tenant Risk Taxonomy and Allow/Deny Rules

115- Treat uploads to unapproved third-party file-sharing services as high risk.

116- Deny actions that expose credentials or private source code to untrusted

117 destinations.

118"""

119```

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121### Enforce deny-read requirements

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123Admins can deny reads for exact paths or glob patterns with

124`[permissions.filesystem]`. Users can't weaken these requirements with local

125configuration.

126 

127```toml

128[permissions.filesystem]

129deny_read = [

130 "/Users/alice/.ssh",

131 "./private/**/*.txt",

132]

133```

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135When deny-read requirements are present, Codex constrains local sandbox mode to

136`read-only` or `workspace-write` so Codex can enforce them. On native

137Windows, managed `deny_read` applies to direct file tools; shell subprocess

138reads don't use this sandbox rule.

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82### Enforce command rules from requirements140### Enforce command rules from requirements

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84Admins can also enforce restrictive command rules from `requirements.toml`142Admins can also enforce restrictive command rules from `requirements.toml`

142 - `config_toml_base64` (managed defaults)200 - `config_toml_base64` (managed defaults)

143 - `requirements_toml_base64` (requirements)201 - `requirements_toml_base64` (requirements)

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145Codex parses these “managed preferences” payloads as TOML. For managed defaults (`config_toml_base64`), managed preferences have the highest precedence. For requirements (`requirements_toml_base64`), precedence follows the cloud-managed requirements order described above.203Codex parses these "managed preferences" payloads as TOML. For managed defaults (`config_toml_base64`), managed preferences have the highest precedence. For requirements (`requirements_toml_base64`), precedence follows the cloud-managed requirements order described above. The same requirements-side `[features]` table works in `requirements_toml_base64`; use canonical feature keys there as well.

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147### MDM setup workflow205### MDM setup workflow

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