ToolClaude Code2 recent entries30 Apr 2026Creating highly efficient agents: 450M tool-calling tokens distilled for post-training from top open-source modelsHarnesses If you've used Claude Code or Codex, you've used a harness. A harness is the infrastructure layer that wraps an AI coding agent and decides how it operates, what it can touch, and how you me→25 Jun 2026What happens when Claude Code gets an experiment trackerAt CVPR 2026, Lambda ran a live demo for two and a half days: Claude Code teaching Google's Gemma 4 to play a Tetris-like game. Claude Code started with a Gemma 4 model that couldn't play at all. It p