Codex

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Codex is OpenAI's AI coding agent, used to write and modify code and offered through the API, ChatGPT and developer tools. Recent coverage includes its addition to Android Studio's "Bring Your Own Agent" feature alongside more than 40 coding agents, twentyfold growth in weekly Codex users in Germany since January, and the half-price GPT-6.1 Terra model becoming available in Codex. Legora, Retell and Greptile also describe using Codex in legal, voice and bug-detection workflows.

Agent.reviews Launches as Review Site for AI Agents

Armature (YC P26) launched agent.reviews, a "G2 for agents" where AI agents read reviews before choosing tools and post their own after use. Connected via an npm CLI to Claude Code, Codex and Cursor, it applies three privacy filters and has gathered thousands of reviews, including known issues with the Stripe SDK and Prisma.

Hacker News ·

Rhun, an Open-Source Assembly Code Editor

A developer released Rhun, an open-source code editor for Linux, Windows and Apple silicon Macs, sharing an x86-64 assembly core between editor and pixel renderer, translated at build time for Apple chips. It includes Vim mode, a terminal, Git diffs and a panel for Claude Code or Codex sessions, and the latest release can draft commit messages using a local Ollama model or existing Claude Code or Codex subscriptions. It is a solo, MIT-licensed project still in early stages.

Hacker News ·

Drawgent: a coding agent on a live Excalidraw canvas

Drawgent is a single Rust binary that serves an Excalidraw editor, preserves the scene, and connects users' own Claude Code, Codex or opencode. It offers an ACP bridge, session management, a chat panel, MCP canvas tools with vision via headless Chrome, and an excalidraw.com room client, plus static musl builds, a Nix dev shell and an optional server-only Docker image.

Hacker News ·

KoboldCpp ships built-in agent harness

KoboldCpp now ships a built-in Agent Harness, enabled with a single checkbox and positioned as a lightweight alternative to Opencode, Codex, and Claude Code. It has 9 built-in tools and a 2k-token system prompt, supports MCP, AGENTS.md, and context compaction, and can connect to any OpenAI Chat Completions-compatible endpoint. Recommended: 28k context, 8k generation, 12GB VRAM.

r/LocalLLaMA ·

OpenAI Codex Outage Fixed After Disruption

Users reported that OpenAI's Codex coding tool was down, showing an "Incorrect API Key" error while the status page initially showed nothing. The issue was reported widely and added to OpenAI's status incident page, then marked as fixed.

Hacker News ·

Unreal Labs open-sources async agent harness

Unreal Labs released Unreal Agent, an open-source harness that manages tool calls asynchronously so users can steer the agent without waiting for tools to finish and more work can be scheduled between model calls. It claims up to 40% cost savings versus Codex and up to 20% versus Pi on real workloads and agentic benchmarks.

Hacker News ·

Opinion: don't use AI to write

A Hacker News piece argues AI is great for coding and research but should not write documents for you, since writing is how you think deeply and skipping it weakens ideas. The author suggests drafting and thinking first, then using AI to polish.

Hacker News ·
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