config-sample.md Codex Docs, 2026-03-16 18:25 UTC → 2026-05-01 18:29 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"

107# - untrusted: only known-safe read-only commands auto-run; others prompt107# - untrusted: only known-safe read-only commands auto-run; others prompt

108# - on-request: model decides when to ask (default)108# - on-request: model decides when to ask (default)

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

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

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

112# Example granular auto-reject policy:112# Who reviews eligible approval prompts: user (default) | auto_review

113# approval_policy = { reject = { sandbox_approval = true, rules = false, mcp_elicitations = false } }113# approvals_reviewer = "user"

114 

115# Example granular policy:

116# approval_policy = { granular = {

117# sandbox_approval = true,

118# rules = true,

119# mcp_elicitations = true,

120# request_permissions = false,

121# skill_approval = false

122# } }

114 123 

115# Allow login-shell semantics for shell-based tools when they request `login = true`.124# Allow login-shell semantics for shell-based tools when they request `login = true`.

116# Default: true. Set false to force non-login shells and reject explicit login-shell requests.125# Default: true. Set false to force non-login shells and reject explicit login-shell requests.

121# - workspace-write130# - workspace-write

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

123sandbox_mode = "read-only"132sandbox_mode = "read-only"

133# Named permissions profile to apply by default. Built-ins:

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"

137 

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

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

140# glob_scan_max_depth when using unbounded patterns such as `**`.

141# [permissions.workspace.filesystem]

142# glob_scan_max_depth = 3

143# ":project_roots" = { "." = "write", "**/*.env" = "none" }

144# "/absolute/path/to/secrets" = "none"

124 145 

125################################################################################146################################################################################

126# Authentication & Login147# Authentication & Login

132# Base URL for ChatGPT auth flow (not OpenAI API).153# Base URL for ChatGPT auth flow (not OpenAI API).

133chatgpt_base_url = "https://chatgpt.com/backend-api/"154chatgpt_base_url = "https://chatgpt.com/backend-api/"

134 155 

156# Optional base URL override for the built-in OpenAI provider.

157# openai_base_url = "https://us.api.openai.com/v1"

158 

135# Restrict ChatGPT login to a specific workspace id. Default: unset.159# Restrict ChatGPT login to a specific workspace id. Default: unset.

136# forced_chatgpt_workspace_id = "00000000-0000-0000-0000-000000000000"160# forced_chatgpt_workspace_id = "00000000-0000-0000-0000-000000000000"

137 161 

265# Managed network proxy settings289# Managed network proxy settings

266################################################################################290################################################################################

267 291 

268[permissions.network]292# Set `default_permissions = "workspace"` before enabling this profile.

293# [permissions.workspace.network]

269# enabled = true294# enabled = true

270# proxy_url = "http://127.0.0.1:43128"295# proxy_url = "http://127.0.0.1:43128"

271# admin_url = "http://127.0.0.1:43129"296# admin_url = "http://127.0.0.1:43129"

277# dangerously_allow_non_loopback_admin = false302# dangerously_allow_non_loopback_admin = false

278# dangerously_allow_all_unix_sockets = false303# dangerously_allow_all_unix_sockets = false

279# mode = "limited" # limited | full304# mode = "limited" # limited | full

280# allowed_domains = ["api.openai.com"]

281# denied_domains = ["example.com"]

282# allow_unix_sockets = ["/var/run/docker.sock"]

283# allow_local_binding = false305# allow_local_binding = false

306#

307# [permissions.workspace.network.domains]

308# "api.openai.com" = "allow"

309# "example.com" = "deny"

310#

311# [permissions.workspace.network.unix_sockets]

312# "/var/run/docker.sock" = "allow"

284 313 

285################################################################################314################################################################################

286# History (table)315# History (table)

304# Notification mechanism for terminal alerts: auto | osc9 | bel. Default: "auto"333# Notification mechanism for terminal alerts: auto | osc9 | bel. Default: "auto"

305# notification_method = "auto"334# notification_method = "auto"

306 335 

336# When notifications fire: unfocused (default) | always

337# notification_condition = "unfocused"

338 

307# Enables welcome/status/spinner animations. Default: true339# Enables welcome/status/spinner animations. Default: true

308animations = true340animations = true

309 341 

318# Set to [] to hide the footer.350# Set to [] to hide the footer.

319# status_line = ["model", "context-remaining", "git-branch"]351# status_line = ["model", "context-remaining", "git-branch"]

320 352 

353# Ordered list of terminal window/tab title item IDs. When unset, Codex uses:

354# ["spinner", "project"]. Set to [] to clear the title.

355# Available IDs include app-name, project, spinner, status, thread, git-branch, model,

356# and task-progress.

357# terminal_title = ["spinner", "project"]

358 

321# Syntax-highlighting theme (kebab-case). Use /theme in the TUI to preview and save.359# Syntax-highlighting theme (kebab-case). Use /theme in the TUI to preview and save.

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

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

324 362 

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 

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

326# [tui.model_availability_nux]373# [tui.model_availability_nux]

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

341# hide_rate_limit_model_nudge = true388# hide_rate_limit_model_nudge = true

342# hide_gpt5_1_migration_prompt = true389# hide_gpt5_1_migration_prompt = true

343# "hide_gpt-5.1-codex-max_migration_prompt" = true390# "hide_gpt-5.1-codex-max_migration_prompt" = true

344# model_migrations = { "gpt-4.1" = "gpt-5.1" }391# model_migrations = { "gpt-5.3-codex" = "gpt-5.4" }

345 392 

346################################################################################393################################################################################

347# Centralized Feature Flags (preferred)394# Centralized Feature Flags (preferred)

351# Leave this table empty to accept defaults. Set explicit booleans to opt in/out.398# Leave this table empty to accept defaults. Set explicit booleans to opt in/out.

352# shell_tool = true399# shell_tool = true

353# apps = false400# apps = false

354# apps_mcp_gateway = false401# codex_hooks = false

355# unified_exec = false402# unified_exec = true

356# shell_snapshot = false403# shell_snapshot = true

357# multi_agent = false404# multi_agent = true

358# personality = true405# personality = true

359# use_linux_sandbox_bwrap = false

360# runtime_metrics = true

361# powershell_utf8 = true

362# child_agents_md = false

363# sqlite = true

364# fast_mode = true406# fast_mode = true

365# enable_request_compression = true407# enable_request_compression = true

366# image_generation = false

367# skill_mcp_dependency_install = true408# skill_mcp_dependency_install = true

368# skill_env_var_dependency_prompt = false

369# default_mode_request_user_input = false

370# artifact = false

371# prevent_idle_sleep = false409# prevent_idle_sleep = false

372# responses_websockets = false410 

373# responses_websockets_v2 = false411################################################################################

374# image_detail_original = false412# Memories (table)

413################################################################################

414 

415# Enable memories with [features].memories, then tune memory behavior here.

416# [memories]

417# generate_memories = true

418# use_memories = true

419# disable_on_external_context = false # legacy alias: no_memories_if_mcp_or_web_search

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"

375 434 

376################################################################################435################################################################################

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

386# command = "docs-server" # required445# command = "docs-server" # required

387# args = ["--port", "4000"] # optional446# args = ["--port", "4000"] # optional

388# env = { "API_KEY" = "value" } # optional key/value pairs copied as-is447# env = { "API_KEY" = "value" } # optional key/value pairs copied as-is

389# env_vars = ["ANOTHER_SECRET"] # optional: forward these from the parent env448# env_vars = ["ANOTHER_SECRET"] # optional: forward local parent env vars

449# env_vars = ["LOCAL_TOKEN", { name = "REMOTE_TOKEN", source = "remote" }]

390# cwd = "/path/to/server" # optional working directory override450# cwd = "/path/to/server" # optional working directory override

451# experimental_environment = "remote" # experimental: run stdio via a remote executor

391# startup_timeout_sec = 10.0 # optional; default 10.0 seconds452# startup_timeout_sec = 10.0 # optional; default 10.0 seconds

392# # startup_timeout_ms = 10000 # optional alias for startup timeout (milliseconds)453# # startup_timeout_ms = 10000 # optional alias for startup timeout (milliseconds)

393# tool_timeout_sec = 60.0 # optional; default 60.0 seconds454# tool_timeout_sec = 60.0 # optional; default 60.0 seconds

418# - openai479# - openai

419# - ollama480# - ollama

420# - lmstudio481# - lmstudio

482# - amazon-bedrock

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

421 484 

422[model_providers]485[model_providers]

423 486 

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 

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

425# [model_providers.openaidr]495# [model_providers.openaidr]

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

427# base_url = "https://us.api.openai.com/v1" # example with 'us' domain prefix497# base_url = "https://us.api.openai.com/v1" # example with 'us' domain prefix

428# wire_api = "responses" # only supported value498# wire_api = "responses" # only supported value

429# # requires_openai_auth = true # built-in OpenAI defaults to true499# # requires_openai_auth = true # use only for providers backed by OpenAI auth

430# # request_max_retries = 4 # default 4; max 100500# # request_max_retries = 4 # default 4; max 100

431# # stream_max_retries = 5 # default 5; max 100501# # stream_max_retries = 5 # default 5; max 100

432# # stream_idle_timeout_ms = 300000 # default 300_000 (5m)502# # stream_idle_timeout_ms = 300000 # default 300_000 (5m)

445# env_key_instructions = "Set AZURE_OPENAI_API_KEY in your environment"515# env_key_instructions = "Set AZURE_OPENAI_API_KEY in your environment"

446# # supports_websockets = false516# # supports_websockets = false

447 517 

518# --- Example: command-backed bearer token auth ---

519# [model_providers.proxy]

520# name = "OpenAI using LLM proxy"

521# base_url = "https://proxy.example.com/v1"

522# wire_api = "responses"

523#

524# [model_providers.proxy.auth]

525# command = "/usr/local/bin/fetch-codex-token"

526# args = ["--audience", "codex"]

527# timeout_ms = 5000

528# refresh_interval_ms = 300000

529 

448# --- Example: Local OSS (e.g., Ollama-compatible) ---530# --- Example: Local OSS (e.g., Ollama-compatible) ---

449# [model_providers.ollama]531# [model_providers.local_ollama]

450# name = "Ollama"532# name = "Ollama"

451# base_url = "http://localhost:11434/v1"533# base_url = "http://localhost:11434/v1"

452# wire_api = "responses"534# wire_api = "responses"

473# enabled = false555# enabled = false

474# approval_mode = "approve"556# approval_mode = "approve"

475 557 

558# Optional tool suggestion allowlist for connectors or plugins Codex can offer to install.

559# [tool_suggest]

560# discoverables = [

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

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

563# ]

564# disabled_tools = [

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

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

567# ]

568 

476################################################################################569################################################################################

477# Profiles (named presets)570# Profiles (named presets)

478################################################################################571################################################################################