config-sample.md Codex Docs, 2026-03-13 00:34 UTC → 2026-04-25 06:37 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. Required before using [permissions.<name>].

134# default_permissions = "workspace"

135 

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

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

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

139# [permissions.workspace.filesystem]

140# glob_scan_max_depth = 3

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

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

124 143 

125################################################################################144################################################################################

126# Authentication & Login145# Authentication & Login

132# Base URL for ChatGPT auth flow (not OpenAI API).151# Base URL for ChatGPT auth flow (not OpenAI API).

133chatgpt_base_url = "https://chatgpt.com/backend-api/"152chatgpt_base_url = "https://chatgpt.com/backend-api/"

134 153 

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

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

156 

135# Restrict ChatGPT login to a specific workspace id. Default: unset.157# Restrict ChatGPT login to a specific workspace id. Default: unset.

136# forced_chatgpt_workspace_id = "00000000-0000-0000-0000-000000000000"158# forced_chatgpt_workspace_id = "00000000-0000-0000-0000-000000000000"

137 159 

265# Managed network proxy settings287# Managed network proxy settings

266################################################################################288################################################################################

267 289 

268[permissions.network]290# Set `default_permissions = "workspace"` before enabling this profile.

291# [permissions.workspace.network]

269# enabled = true292# enabled = true

270# proxy_url = "http://127.0.0.1:43128"293# proxy_url = "http://127.0.0.1:43128"

271# admin_url = "http://127.0.0.1:43129"294# admin_url = "http://127.0.0.1:43129"

277# dangerously_allow_non_loopback_admin = false300# dangerously_allow_non_loopback_admin = false

278# dangerously_allow_all_unix_sockets = false301# dangerously_allow_all_unix_sockets = false

279# mode = "limited" # limited | full302# 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 = false303# allow_local_binding = false

304#

305# [permissions.workspace.network.domains]

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

307# "example.com" = "deny"

308#

309# [permissions.workspace.network.unix_sockets]

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

284 311 

285################################################################################312################################################################################

286# History (table)313# History (table)

304# Notification mechanism for terminal alerts: auto | osc9 | bel. Default: "auto"331# Notification mechanism for terminal alerts: auto | osc9 | bel. Default: "auto"

305# notification_method = "auto"332# notification_method = "auto"

306 333 

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

335# notification_condition = "unfocused"

336 

307# Enables welcome/status/spinner animations. Default: true337# Enables welcome/status/spinner animations. Default: true

308animations = true338animations = true

309 339 

318# Set to [] to hide the footer.348# Set to [] to hide the footer.

319# status_line = ["model", "context-remaining", "git-branch"]349# status_line = ["model", "context-remaining", "git-branch"]

320 350 

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

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

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

354# and task-progress.

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

356 

321# Syntax-highlighting theme (kebab-case). Use /theme in the TUI to preview and save.357# 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.358# You can also add custom .tmTheme files under $CODEX_HOME/themes.

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

341# hide_rate_limit_model_nudge = true377# hide_rate_limit_model_nudge = true

342# hide_gpt5_1_migration_prompt = true378# hide_gpt5_1_migration_prompt = true

343# "hide_gpt-5.1-codex-max_migration_prompt" = true379# "hide_gpt-5.1-codex-max_migration_prompt" = true

344# model_migrations = { "gpt-4.1" = "gpt-5.1" }380# model_migrations = { "gpt-5.3-codex" = "gpt-5.4" }

345 381 

346################################################################################382################################################################################

347# Centralized Feature Flags (preferred)383# Centralized Feature Flags (preferred)

351# Leave this table empty to accept defaults. Set explicit booleans to opt in/out.387# Leave this table empty to accept defaults. Set explicit booleans to opt in/out.

352# shell_tool = true388# shell_tool = true

353# apps = false389# apps = false

354# apps_mcp_gateway = false390# codex_hooks = false

355# unified_exec = false391# unified_exec = true

356# shell_snapshot = false392# shell_snapshot = true

357# multi_agent = false393# multi_agent = true

358# personality = true394# 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 = true395# fast_mode = true

365# enable_request_compression = true396# enable_request_compression = true

366# image_generation = false

367# skill_mcp_dependency_install = true397# 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 = false398# prevent_idle_sleep = false

372# responses_websockets = false399 

373# responses_websockets_v2 = false400################################################################################

374# image_detail_original = false401# Memories (table)

402################################################################################

403 

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

405# [memories]

406# generate_memories = true

407# use_memories = true

408# disable_on_external_context = false # legacy alias: no_memories_if_mcp_or_web_search

409 

410################################################################################

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

412################################################################################

413 

414# [hooks]

415# [[hooks.PreToolUse]]

416# matcher = "^Bash$"

417#

418# [[hooks.PreToolUse.hooks]]

419# type = "command"

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

421# timeout = 30

422# statusMessage = "Checking Bash command"

375 423 

376################################################################################424################################################################################

377# Define MCP servers under this table. Leave empty to disable.425# Define MCP servers under this table. Leave empty to disable.

386# command = "docs-server" # required434# command = "docs-server" # required

387# args = ["--port", "4000"] # optional435# args = ["--port", "4000"] # optional

388# env = { "API_KEY" = "value" } # optional key/value pairs copied as-is436# env = { "API_KEY" = "value" } # optional key/value pairs copied as-is

389# env_vars = ["ANOTHER_SECRET"] # optional: forward these from the parent env437# env_vars = ["ANOTHER_SECRET"] # optional: forward local parent env vars

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

390# cwd = "/path/to/server" # optional working directory override439# cwd = "/path/to/server" # optional working directory override

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

391# startup_timeout_sec = 10.0 # optional; default 10.0 seconds441# startup_timeout_sec = 10.0 # optional; default 10.0 seconds

392# # startup_timeout_ms = 10000 # optional alias for startup timeout (milliseconds)442# # startup_timeout_ms = 10000 # optional alias for startup timeout (milliseconds)

393# tool_timeout_sec = 60.0 # optional; default 60.0 seconds443# tool_timeout_sec = 60.0 # optional; default 60.0 seconds

418# - openai468# - openai

419# - ollama469# - ollama

420# - lmstudio470# - lmstudio

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

421 472 

422[model_providers]473[model_providers]

423 474 

426# name = "OpenAI Data Residency"477# name = "OpenAI Data Residency"

427# base_url = "https://us.api.openai.com/v1" # example with 'us' domain prefix478# base_url = "https://us.api.openai.com/v1" # example with 'us' domain prefix

428# wire_api = "responses" # only supported value479# wire_api = "responses" # only supported value

429# # requires_openai_auth = true # built-in OpenAI defaults to true480# # requires_openai_auth = true # use only for providers backed by OpenAI auth

430# # request_max_retries = 4 # default 4; max 100481# # request_max_retries = 4 # default 4; max 100

431# # stream_max_retries = 5 # default 5; max 100482# # stream_max_retries = 5 # default 5; max 100

432# # stream_idle_timeout_ms = 300000 # default 300_000 (5m)483# # stream_idle_timeout_ms = 300000 # default 300_000 (5m)

445# env_key_instructions = "Set AZURE_OPENAI_API_KEY in your environment"496# env_key_instructions = "Set AZURE_OPENAI_API_KEY in your environment"

446# # supports_websockets = false497# # supports_websockets = false

447 498 

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

500# [model_providers.proxy]

501# name = "OpenAI using LLM proxy"

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

503# wire_api = "responses"

504#

505# [model_providers.proxy.auth]

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

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

508# timeout_ms = 5000

509# refresh_interval_ms = 300000

510 

448# --- Example: Local OSS (e.g., Ollama-compatible) ---511# --- Example: Local OSS (e.g., Ollama-compatible) ---

449# [model_providers.ollama]512# [model_providers.local_ollama]

450# name = "Ollama"513# name = "Ollama"

451# base_url = "http://localhost:11434/v1"514# base_url = "http://localhost:11434/v1"

452# wire_api = "responses"515# wire_api = "responses"

473# enabled = false536# enabled = false

474# approval_mode = "approve"537# approval_mode = "approve"

475 538 

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

540# [tool_suggest]

541# discoverables = [

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

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

544# ]

545 

476################################################################################546################################################################################

477# Profiles (named presets)547# Profiles (named presets)

478################################################################################548################################################################################