config-sample.md Codex Docs, 2026-04-23 12:28 UTC → 2026-05-07 20:02 UTC

27# Core Model Selection27# Core Model Selection

28################################################################################28################################################################################

29 29 

30# Primary model used by Codex. Recommended example for most users: "gpt-5.4".30# Primary model used by Codex. Recommended example for most users: "gpt-5.5".

31model = "gpt-5.4"31model = "gpt-5.5"

32 32 

33# Communication style for supported models. Allowed values: none | friendly | pragmatic33# Communication style for supported models. Allowed values: none | friendly | pragmatic

34# personality = "pragmatic"34# personality = "pragmatic"

35 35 

36# Optional model override for /review. Default: unset (uses current session model).36# Optional model override for /review. Default: unset (uses current session model).

37# review_model = "gpt-5.4"37# review_model = "gpt-5.5"

38 38 

39# Provider id selected from [model_providers]. Default: "openai".39# Provider id selected from [model_providers]. Default: "openai".

40model_provider = "openai"40model_provider = "openai"

109# - never: never prompt (risky)109# - never: never prompt (risky)

110# - { granular = { ... } }: allow or auto-reject selected prompt categories110# - { granular = { ... } }: allow or auto-reject selected prompt categories

111approval_policy = "on-request"111approval_policy = "on-request"

112# Who reviews eligible approval prompts: user (default) | guardian_subagent112# Who reviews eligible approval prompts: user (default) | auto_review

113# approvals_reviewer = "user"113# approvals_reviewer = "user"

114 114 

115# Example granular policy:115# Example granular policy:

130# - workspace-write130# - workspace-write

131# - danger-full-access (no sandbox; extremely risky)131# - danger-full-access (no sandbox; extremely risky)

132sandbox_mode = "read-only"132sandbox_mode = "read-only"

133# Named permissions profile to apply by default. Required before using [permissions.<name>].133# Named permissions profile to apply by default. Built-ins:

134# default_permissions = "workspace"134# :read-only | :workspace | :danger-no-sandbox

135# Use a custom name such as "workspace" only when you also define [permissions.workspace].

136# default_permissions = ":workspace"

135 137 

136# Example filesystem profile. Use `"none"` to deny reads for exact paths or138# Example filesystem profile. Use `"none"` to deny reads for exact paths or

137# glob patterns. On platforms that need pre-expanded glob matches, set139# glob patterns. On platforms that need pre-expanded glob matches, set

358# You can also add custom .tmTheme files under $CODEX_HOME/themes.360# You can also add custom .tmTheme files under $CODEX_HOME/themes.

359# theme = "catppuccin-mocha"361# theme = "catppuccin-mocha"

360 362 

363# Custom key bindings. Context-specific bindings override [tui.keymap.global].

364# Use [] to unbind an action.

365# [tui.keymap.global]

366# open_transcript = "ctrl-t"

367# open_external_editor = []

368#

369# [tui.keymap.composer]

370# submit = ["enter", "ctrl-m"]

371 

361# Internal tooltip state keyed by model slug. Usually managed by Codex.372# Internal tooltip state keyed by model slug. Usually managed by Codex.

362# [tui.model_availability_nux]373# [tui.model_availability_nux]

363# "gpt-5.4" = 1374# "gpt-5.4" = 1

393# multi_agent = true404# multi_agent = true

394# personality = true405# personality = true

395# fast_mode = true406# fast_mode = true

396# guardian_approval = false

397# enable_request_compression = true407# enable_request_compression = true

398# skill_mcp_dependency_install = true408# skill_mcp_dependency_install = true

399# prevent_idle_sleep = false409# prevent_idle_sleep = false

408# use_memories = true418# use_memories = true

409# disable_on_external_context = false # legacy alias: no_memories_if_mcp_or_web_search419# disable_on_external_context = false # legacy alias: no_memories_if_mcp_or_web_search

410 420 

421################################################################################

422# Lifecycle hooks can be configured here inline or in a sibling hooks.json.

423################################################################################

424 

425# [hooks]

426# [[hooks.PreToolUse]]

427# matcher = "^Bash$"

428#

429# [[hooks.PreToolUse.hooks]]

430# type = "command"

431# command = 'python3 "/absolute/path/to/pre_tool_use_policy.py"'

432# timeout = 30

433# statusMessage = "Checking Bash command"

434 

411################################################################################435################################################################################

412# Define MCP servers under this table. Leave empty to disable.436# Define MCP servers under this table. Leave empty to disable.

413################################################################################437################################################################################

455# - openai479# - openai

456# - ollama480# - ollama

457# - lmstudio481# - lmstudio

482# - amazon-bedrock

458# These IDs are reserved. Use a different ID for custom providers.483# These IDs are reserved. Use a different ID for custom providers.

459 484 

460[model_providers]485[model_providers]

461 486 

487# --- Example: built-in Amazon Bedrock provider options ---

488# model_provider = "amazon-bedrock"

489# model = "<bedrock-model-id>"

490# [model_providers.amazon-bedrock.aws]

491# profile = "default"

492# region = "eu-central-1"

493 

462# --- Example: OpenAI data residency with explicit base URL or headers ---494# --- Example: OpenAI data residency with explicit base URL or headers ---

463# [model_providers.openaidr]495# [model_providers.openaidr]

464# name = "OpenAI Data Residency"496# name = "OpenAI Data Residency"

529# { type = "connector", id = "gmail" },561# { type = "connector", id = "gmail" },

530# { type = "plugin", id = "figma@openai-curated" },562# { type = "plugin", id = "figma@openai-curated" },

531# ]563# ]

564# disabled_tools = [

565# { type = "plugin", id = "slack@openai-curated" },

566# { type = "connector", id = "connector_googlecalendar" },

567# ]

532 568 

533################################################################################569################################################################################

534# Profiles (named presets)570# Profiles (named presets)