Claude Fable 5 — Anthropic's most capable publicly available model, purpose-built for autonomous agent loops that run for hours or days — returned to global availability on July 1 after a 19-day ...

Tau is a coding agent that lives in your terminal. You type requests like "explain this repo", "add tests", or "fix this stack trace"; Tau can read files, edit code, run commands, and keep a durable ...

Microsoft has flagged a malicious program that has been operating quietly since February and targets Windows machines. The malicious program, dubbed CryptoBandits, can steal seed phrases, keys, and ...

All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, ...