config-sample.md Codex Docs, 2026-04-14 18:31 UTC → 2026-04-25 00:42 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:

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

134# default_permissions = "workspace"134# default_permissions = "workspace"

135 135 

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"

143 

136################################################################################144################################################################################

137# Authentication & Login145# Authentication & Login

138################################################################################146################################################################################

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

324# notification_method = "auto"332# notification_method = "auto"

325 333 

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

335# notification_condition = "unfocused"

336 

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

327animations = true338animations = true

328 339 

382# multi_agent = true393# multi_agent = true

383# personality = true394# personality = true

384# fast_mode = true395# fast_mode = true

385# smart_approvals = false

386# enable_request_compression = true396# enable_request_compression = true

387# skill_mcp_dependency_install = true397# skill_mcp_dependency_install = true

388# prevent_idle_sleep = false398# prevent_idle_sleep = false

389 399 

400################################################################################

401# 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"

423 

390################################################################################424################################################################################

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

392################################################################################426################################################################################

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

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

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

403# 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" }]

404# 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

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

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

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