codex
https://github.com/openai/codex
Rust
Lightweight coding agent that runs in your terminal
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- Issues
- codex_output_schema uses root type: "array" which violates Structured Outputs API requirement
- codex-app-server-sdk: StdioTransport crashes on prompts >64 KiB due to Python asyncio StreamReader limit
- Open in Finder does nothing on macOS
- Windows Codex App still fails to load native `computer-use-mcp` tool (`invalid type: map, expected variant identifier`)
- Proposal: experimental local cross-session messaging via UDS
- Symlinked ~/.codex/rules/default.rules is ignored when ~/.codex/rules is a real directory
- Subagents do not inherit parent session's registered MCP tools
- Skill prompt step 1 should instruct model to read SKILL.md fully before loading additional resources
- Codex CLI does not send a User-Agent header on MCP Streamable HTTP requests
- Render `UserPromptSubmit.additionalContext` as multiline hook context in the TUI
- Docs
- Rust not yet supported