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## Why Multi-agent v2 `send_message` deliveries already reach the receiving model as typed `agent_message` items with encrypted content. Child-completion notifications are generated by Codex itself, so their content is plaintext and previously fell back to a serialized JSON envelope inside an assistant message. With plaintext `input_text` supported for `agent_message`, both delivery paths can use the same model-visible type while preserving explicit author and recipient metadata. ## What changed - add plaintext `input_text` support to `AgentMessageInputContent` and regenerate the affected app-server schemas - preserve `InterAgentCommunication` as structured mailbox input instead of converting it to assistant text - record delivered communications as typed `agent_message` history items - persist a dedicated rollout item so local delivery metadata such as `trigger_turn` remains available without leaking into the Responses request - reconstruct typed agent messages on resume and preserve fork-turn truncation behavior - remove request-time assistant-content parsing - preserve plaintext and encrypted inter-agent deliveries in stage-one memory inputs - normalize and link plaintext and encrypted agent messages in rollout traces without treating inbound messages as child results - cover the real MultiAgent V2 child-completion path end to end with deterministic mailbox synchronization ## Verification - `just test -p codex-core plaintext_multi_agent_v2_completion_sends_agent_message` - `just test -p codex-core input_queue_drains_mailbox_in_delivery_order record_initial_history_reconstructs_typed_inter_agent_message fork_turn_positions_use_inter_agent_delivery_metadata` - `just test -p codex-memories-write serializes_inter_agent_communications_for_memory` - `just test -p codex-rollout-trace agent_messages_preserve_routing_and_content sub_agent_started_activity_creates_spawn_edge` - `just test -p codex-rollout-trace agent_result_edge_falls_back_to_child_thread_without_result_message` - `just test -p codex-protocol -p codex-rollout -p codex-app-server-protocol`
8f2d6416ce
·
2026-06-12 13:50:04 -07:00
7,413 Commits
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.