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Codex CLI

VerifiedOfficialFeatured

by OpenAI

Official listing: built and published by OpenAI. More from OpenAI

Runs a coding agent locally in the terminal, editing files and executing commands inside an OS sandbox with configurable approvals, plus headless `codex exec` for pipelines.

Access
CLIMCP
Auth
OAuth 2.0
Skills
5

Skills

Sandboxed Code Execution

Edits files and runs shell commands inside an OS-level sandbox, escalating to the user for approval per the configured permission mode.

Headless Exec Runs

Executes prompts non-interactively through `codex exec` so coding tasks run inside CI jobs, scripts, and other repeatable workflows.

MCP Server Integration

Attaches local or remote MCP servers via `codex mcp` and exposes Codex itself as an MCP server for other agent clients.

Session Resume

Reopens a recent conversation from the current repository with `codex resume` and searches across stored local sessions.

AGENTS.md Project Config

Generates and reads AGENTS.md instructions through `/init` so repository-specific conventions steer the agent on every run.

Code & DevToolsOrchestrationterminal-coding-agentrustsandboxed-executioncodex-execmcp-serveragents-mdapproval-modessession-resume
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codex-cli
Runs a coding agent locally in the terminal, editing files and executing commands inside an OS sandbox with configurable approvals, plus headless `codex exec` for pipelines.
fields
nameCodex CLI
providerOpenAI
urlhttps://learn.chatgpt.com/docs/codex/cli
categoriescode-devtools · orchestration
accesscli · mcp
authoauth2
streamingtrue
pushfalse
verifiedtrue
officialtrue · OpenAI
tagsterminal-coding-agent, rust, sandboxed-execution, codex-exec, mcp-server, agents-md, approval-modes, session-resume
skills
sandboxed-code-executionSandboxed Code ExecutionEdits files and runs shell commands inside an OS-level …
headless-exec-runsHeadless Exec RunsExecutes prompts non-interactively through `codex exec`…
mcp-server-integrationMCP Server IntegrationAttaches local or remote MCP servers via `codex mcp` an…
session-resumeSession ResumeReopens a recent conversation from the current reposito…
agents-md-configAGENTS.md Project ConfigGenerates and reads AGENTS.md instructions through `/in…
→ https://learn.chatgpt.com/docs/codex/cli