Skills（SKILL.md）は、AIエージェント（Claude Code、Cursor、Codexなど）に特定の能力を追加するための設定ファイルです。
詳しく見る →Public web retrieval and clean extraction engine. Use whenever the user wants to fetch, download, inspect, clean, or save content from a public URL. Supports safe fetching of public web pages, extracts title/text/links, stores results locally, and keeps a job history. No credentials, no login flows, no cloud sync.