Shai-Halud Supply Chain Campaign — Expanded Impact & Vercel Response 
Building towards age prediction - Teen safety, freedom, and privacy
- Addendum to GPT-5 system card: GPT-5-Codex
- Working with US CAISI and UK AISI to build more secure AI systems
Improving Cursor Tab with online RL 
Writing effective tools for agents — with agents - Writing effective tools for AI agents—using AI agents
- The second wave of MCP: Building for LLMs, not developers
- Critical npm supply chain attack response – September 8, 2025
- Why language models hallucinate
- Stress testing Biome's noFloatingPromises lint rule
Building Slack’s Anomaly Event Response - Open SDK strategy
A New Ranking Framework for Better Notification Quality on Instagram - 1.5x faster MoE training with custom MXFP8 kernels
- Preparing for the worst: Our core database failover test
- s1ngularity: supply chain attack in Nx packages
- Collective alignment: public input on our Model Spec
- OpenAI and Anthropic share findings from a joint safety evaluation