Codex CLI Tool Extensions Update
On March 29th, Codex CLI crossed a threshold that matters to anyone building automated workflows on top of it. Version 0.117.0 introduced hook support — specifically PreToolUse and PostToolUse hooks, bringing the total to five distinct hook types. That is a small version bump with a disproportionate structural implication: the tool is no longer just executing commands, it is now interceptable at the moment of action. The following day, March 30th, a developer published a community documentation repository — codex-cli-best-practices — cataloguing both the new hooks and sub-agent support. The comparison to Claude Code was made explicitly. That comparison is doing real work here, not just flattery toward a competitor. It signals that Codex CLI is converging on a pattern that another serious tool has already proven out.
If confirmed, here is what this means. PreToolUse and PostToolUse hooks are the difference between a CLI that acts and a CLI that can be audited, modified, or blocked mid-stream. Development teams with security or compliance requirements — the ones currently treating AI coding agents as too unpredictable for production pipelines — suddenly have a control point. Sub-agent support compounds this: you can now orchestrate task delegation within Codex CLI itself, which compresses the gap between a coding assistant and an autonomous engineering agent. The practical effect is that teams building internal tooling on top of Codex CLI can enforce policy at the tool invocation layer rather than wrapping the entire process in external guardrails. That is a quieter kind of power than it sounds.
Watch for official OpenAI documentation updates or changelog entries that formally describe the full five-hook surface area. Community documentation filling ahead of official docs is often a signal that the feature is real but still being stabilised — if the official docs catch up quickly, confidence rises considerably.
<table> <tr><td> <a href="https://www.reddit.com/r/ChatGPT/comments/1s6wqvn/codex_cli_now_supports_5_hooks_after_v01170/"> <img alt="Codex CLI now supports 5 hooks after v0.117.0
<!-- SC_OFF --><div class="md"><p>codex cli stores everything in one folder so you can only use one account at a time. if you have multiple openai accounts for different projects
<table> <tr><td> <a href="https://www.reddit.com/r/ChatGPT/comments/1tda4xr/codex_in_the_chatgpt_mobile_app/"> <img alt="Codex in the ChatGPT mobile app"
<table> <tr><td> <a href="https://www.reddit.com/r/ChatGPT/comments/1tebf1w/openai_brings_codex_remote_access_to_chatgpt/"> <img alt="OpenAI Brings Codex Remote Access to ChatGPT
<table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1s517l2/codex_v01170_now_supports_plugins_heres_a_simple/"> <img alt="Codex v0.117.0 now supports plugins.
<!-- SC_OFF --><div class="md"><p>The recent changes to Codex limits have significantly degraded the developer experience.</p> <p>Previously, Codex in VS Code felt fluid and
<!-- SC_OFF --><div class="md"><p>If you've wanted Codex to handle larger multi-step work without you manually chaining prompts, Maestro just dropped native Codex support in
<table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1s7p7ky/sora_is_shutting_down_openais_backup_is_a_full/"> <img alt="Sora is shutting down. OpenAI's 'backup' is
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