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This PDF is an Agent Skill maintained officially by Anthropic, which follows the Agent Skills open standard and can be used in Cursor, Claude Code and Codex. It covers high-frequency office automation

DOCX is a Word document Agent Skill publicly released by Anthropic in the anthropics/skills repository, which supports Claude's file creation and editing capabilities. This article introduces its posi

Anthropic's open-source claude-api Agent Skill packages the documentation of Messages API, Managed Agents and 8 programming language SDKs including Python, TypeScript and Go into progressively loadabl

Anthropic's official webapp-testing Skill wraps Playwright browser automation into reusable, agent-friendly test workflows. It supports starting local dev servers, taking screenshots to inspect DOM, a

frontend-design is an Agent Skill officially maintained by Anthropic, targeting scenarios of building or retrofitting UIs. Through design planning, token system, typography and self-review process, it

skill-creator is an Agent Skill "meta-skill" in Anthropic's open-source repository, specifically designed to guide developers in creating, testing and iterating on SKILL.md. This article introduces it

MCP-builder is an Agent Skill in Anthropic's official Skills repository, specifically designed to guide developers in creating high-quality MCP servers. Based on the official SKILL.md and reference do

On July 24, 2026, Anthropic released the 2.1.220 series updates for Claude Code: version 2.1.219 switched the default model to Claude Opus 5 (1M context window), and expanded the default nested subage

In August 2026, the ChainDrop worm achieved persistence by injecting into `.claude/settings.json` and `.vscode/tasks.json`, with malicious execution triggered once developers opened the repository. Me

On August 4, 2026, Ankur Sethi published a post advocating for manually retyping LLM-generated code line by line to avoid "cognitive debt", which garnered 409 points and 348 comments on Hacker News. T