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## Why Before changing the Codex Bridge JSON schema policy, add integration coverage around real connector-like MCP tool schemas. The existing unit tests cover individual sanitizer behaviors, but they do not make it easy to see whether full fixture schemas keep model-visible guidance, prune only unreachable definitions, drop unsupported JSON Schema fields, and stay within the Responses API schema budget. ## What Changed - Added `tools/tests/json_schema_policy_fixtures.rs`, which converts MCP tool fixtures through `mcp_tool_to_responses_api_tool` and validates the resulting Responses tool parameters. - Added connector-style fixtures for Slack, Google Calendar, Google Drive, Notion, and Microsoft Outlook Email under `tools/tests/fixtures/json_schema_policy/`. - Added fixture assertions for preserved guidance, pruned definitions, expected field drops after `JsonSchema` conversion, marker count baselines, and dangling local `$ref` prevention. - Added a real oversized golden Notion `create_page` input schema fixture to exercise the compaction path that strips descriptions, drops root `$defs`, rewrites local refs, and fits the compacted schema under the budget.
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Run the following on Mac or Linux to install Codex CLI:
curl -fsSL https://chatgpt.com/codex/install.sh | sh
Run the following on Windows to install Codex CLI:
powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex"
Codex CLI can also be installed via the following package managers:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.