{"id":"b8571d7c-dfb6-48b7-8a6b-b328728192d7","shortId":"VsYgw8","kind":"skill","title":"lychee Async Broken Link Checker for Websites and Documentation","tagline":"lychee is a fast, async, stream-based link checker written in Rust that finds broken URLs and mail addresses inside Markdown, HTML, reStructuredText, websites and more. It supports HTTP/HTTPS, file links, and mail address validation with configurable concurrency and output format","description":"# lychee Async Broken Link Checker for Websites and Documentation\n\nlychee is a fast, async, stream-based link checker written in Rust that finds broken URLs and mail addresses inside Markdown, HTML, reStructuredText, websites and more. It supports HTTP/HTTPS, file links, and mail address validation with configurable concurrency and output formats.\n\n## Installation\n\nUse the upstream install or setup path that matches your environment:\n- brew install lychee\n- docker pull lycheeverse/lychee\n- conda install lychee -c conda-forge\n- cargo install lychee\n\nRequirements and caveats from upstream:\n- [![Docker Pulls](https://img.shields.io/docker/pulls/lycheeverse/lychee?color=%23099cec&logo=Docker)](https://hub.docker.com/r/lycheeverse/lychee)\n- ### Docker\n- | Language | Rust | Ruby | Go | JS | TypeScript | Python | JS | PHP |\n\nBasic usage or getting-started notes:\n- <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->\n- [Commandline usage](#commandline-usage)\n- [Library usage](#library-usage)\n\n- Source: https://github.com/lycheeverse/lychee\n- Extracted from upstream docs: https://raw.githubusercontent.com/lycheeverse/lychee/HEAD/README.md\n\n## Source\n\n- [Agent Skill 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'cargo':128 'caveat':133 'checker':5,19,56,70 'commandlin':158,161 'commandline-usag':160 'concurr':48,99 'conda':121,126 'conda-forg':125 'configur':47,98 'doc':175 'docker':118,136,141 'document':9,60 'environ':114 'exchang':182 'extract':172 'fast':13,64 'file':40,91 'find':24,75 'forg':127 'format':51,102 'get':155 'getting-start':154 'github.com':170 'github.com/lycheeverse/lychee':169 'go':145 'html':32,83 'http/https':39,90 'img.shields.io':139 'img.shields.io/docker/pulls/lycheeverse/lychee?color=%23099cec&logo=docker)](https://hub.docker.com/r/lycheeverse/lychee)':138 'insid':30,81 'instal':103,107,116,122,129 'js':146,149 'languag':142 'librari':163,166 'library-usag':165 'link':4,18,41,55,69,92 'lyche':1,10,52,61,117,123,130 'lycheeverse/lychee':120 'mail':28,43,79,94 'markdown':31,82 'match':112 'note':157 'output':50,101 'path':110 'php':150 'pull':119,137 'python':148 'raw.githubusercontent.com':177 'raw.githubusercontent.com/lycheeverse/lychee/head/readme.md':176 'requir':131 'restructuredtext':33,84 'rubi':144 'rust':22,73,143 'setup':109 'skill':181 'skill-lychee-async-broken-link-checker' 'sourc':168,179 'source-agentskillexchange' 'start':156 'stream':16,67 'stream-bas':15,66 'support':38,89 'topic-agent-skills' 'topic-ai-agents' 'topic-ai-tools' 'topic-awesome-list' 'topic-claude-code' 'topic-codex' 'topic-cursor' 'topic-llm' 'topic-mcp' 'topic-npx-skills' 'topic-openclaw' 'topic-skills-catalog' 'typescript':147 'upstream':106,135,174 'url':26,77 'usag':152,159,162,164,167 'use':104 'valid':45,96 'websit':7,34,58,85 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