b323d10ea7
This adds support for the `--disable-response-storage` flag across our multiple Rust CLIs to support customers who have opted into Zero-Data Retention (ZDR). The analogous changes to the TypeScript CLI were: * https://github.com/openai/codex/pull/481 * https://github.com/openai/codex/pull/543 For a client using ZDR, `previous_response_id` will never be available, so the `input` field of an API request must include the full transcript of the conversation thus far. As such, this PR changes the type of `Prompt.input` from `Vec<ResponseInputItem>` to `Vec<ResponseItem>`. Practically speaking, `ResponseItem` was effectively a "superset" of `ResponseInputItem` already. The main difference for us is that `ResponseItem` includes the `FunctionCall` variant that we have to include as part of the conversation history in the ZDR case. Another key change in this PR is modifying `try_run_turn()` so that it returns the `Vec<ResponseItem>` for the turn in addition to the `Vec<ResponseInputItem>` produced by `try_run_turn()`. This is because the caller of `run_turn()` needs to record the `Vec<ResponseItem>` when ZDR is enabled. To that end, this PR introduces `ZdrTranscript` (and adds `zdr_transcript: Option<ZdrTranscript>` to `struct State` in `codex.rs`) to take responsibility for maintaining the conversation transcript in the ZDR case.
codex-rs
April 24, 2025
Today, Codex CLI is written in TypeScript and requires Node.js 22+ to run it. For a number of users, this runtime requirement inhibits adoption: they would be better served by a standalone executable. As maintainers, we want Codex to run efficiently in a wide range of environments with minimal overhead. We also want to take advantage of operating system-specific APIs to provide better sandboxing, where possible.
To that end, we are moving forward with a Rust implementation of Codex CLI contained in this folder, which has the following benefits:
- The CLI compiles to small, standalone, platform-specific binaries.
- Can make direct, native calls to seccomp and landlock in order to support sandboxing on Linux.
- No runtime garbage collection, resulting in lower memory consumption and better, more predictable performance.
Currently, the Rust implementation is materially behind the TypeScript implementation in functionality, so continue to use the TypeScript implmentation for the time being. We will publish native executables via GitHub Releases as soon as we feel the Rust version is usable.
Code Organization
This folder is the root of a Cargo workspace. It contains quite a bit of experimental code, but here are the key crates:
core/contains the business logic for Codex. Ultimately, we hope this to be a library crate that is generally useful for building other Rust/native applications that use Codex.interactive/CLI with a UX comparable to the TypeScript Codex CLI.exec/"headless" CLI for use in automation.tui/CLI that launches a fullscreen TUI built with Ratatui.repl/CLI that launches a lightweight REPL similar to the Python or Node.js REPL.cli/CLI multitool that provides the aforementioned CLIs via subcommands.