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Michael Bolin
16d4ea9ca8
## Why The previous extraction steps moved shared tool-schema parsing into `codex-tools`, but `codex-core` still owned the generic Responses API tool models and the last adapter layer that turned parsed tool definitions into `ResponsesApiTool` values. That left `core/src/tools/spec.rs` and `core/src/client_common.rs` holding a chunk of tool-shaping code that does not need session state, runtime plumbing, or any other `codex-core`-specific dependency. As a result, `codex-tools` owned the parsed tool definition, but `codex-core` still owned the generic wire model that those definitions are converted into. This change moves that boundary one step further. `codex-tools` now owns the reusable Responses/tool wire structs and the shared conversion helpers for dynamic tools, MCP tools, and deferred MCP aliases. `codex-core` continues to own `ToolSpec` orchestration and the remaining web-search-specific request shapes. ## What changed - added `tools/src/responses_api.rs` to own `ResponsesApiTool`, `FreeformTool`, `ToolSearchOutputTool`, namespace output types, and the shared `ToolDefinition -> ResponsesApiTool` adapter helpers - added `tools/src/responses_api_tests.rs` for deferred-loading behavior, adapter coverage, and namespace serialization coverage - rewired `core/src/tools/spec.rs` to use the extracted dynamic/MCP adapter helpers instead of defining those conversions locally - rewired `core/src/tools/handlers/tool_search.rs` to use the extracted deferred MCP adapter and namespace output types directly - slimmed `core/src/client_common.rs` so it now keeps `ToolSpec` and the web-search-specific wire types, while reusing the extracted tool models from `codex-tools` - moved the extracted seam tests out of `core` and updated `codex-rs/tools/README.md` plus `tools/src/lib.rs` to reflect the expanded `codex-tools` boundary ## Test plan - `cargo test -p codex-tools` - `cargo test -p codex-core --lib tools::spec::` - `cargo test -p codex-core --lib tools::handlers::tool_search::` - `just fix -p codex-tools -p codex-core` - `just argument-comment-lint` ## References - [#15923](https://github.com/openai/codex/pull/15923) `codex-tools: extract shared tool schema parsing` - [#15928](https://github.com/openai/codex/pull/15928) `codex-tools: extract MCP schema adapters` - [#15944](https://github.com/openai/codex/pull/15944) `codex-tools: extract dynamic tool adapters` - [#15953](https://github.com/openai/codex/pull/15953) `codex-tools: introduce named tool definitions`
16d4ea9ca8
·
2026-03-27 14:26:54 -07:00
4,908 Commits
npm i -g @openai/codex
or brew install --cask codex
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
Install globally with your preferred package manager:
# 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, Team, 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.