{"id":"8cd4dede-1de5-4235-8551-481f0eb98a14","shortId":"mDLpGE","kind":"skill","title":"markuplint HTML Linter for All Markup Developers","tagline":"markuplint is a comprehensive HTML linter designed for all markup developers. It enforces accessibility, spec compliance, and best practices across HTML, JSX, Vue, Svelte, Astro, PHP, Pug, and more template languages through a pluggable parser architecture.","description":"# markuplint HTML Linter for All Markup Developers\n\nmarkuplint is a comprehensive HTML linter designed for all markup developers. It enforces accessibility, spec compliance, and best practices across HTML, JSX, Vue, Svelte, Astro, PHP, Pug, and more template languages through a pluggable parser architecture.\n\n## Installation\n\nNo source-backed install or usage instructions could be extracted automatically. Review the upstream project before running this skill in a sensitive workflow.\n\n- Source: https://github.com/markuplint/markuplint\n\n## Source\n\n- [Agent Skill Exchange](https://agentskillexchange.com/skills/markuplint-html-linter/)","tags":["markuplint","html","linter","skills","agentskillexchange","agent-skills","ai-agents","ai-tools","awesome-list","claude-code","codex","cursor"],"capabilities":["skill","source-agentskillexchange","skill-markuplint-html-linter","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"],"categories":["skills"],"synonyms":[],"warnings":[],"endpointUrl":"https://skills.sh/agentskillexchange/skills/markuplint-html-linter","protocol":"skill","transport":"skills-sh","auth":{"type":"none","details":{"cli":"npx skills add agentskillexchange/skills","source_repo":"https://github.com/agentskillexchange/skills","install_from":"skills.sh"}},"qualityScore":"0.454","qualityRationale":"deterministic score 0.45 from registry signals: · indexed on github topic:agent-skills · 8 github stars · SKILL.md body (639 chars)","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"deterministic:skill-github:v1","enrichmentVersion":1,"enrichedAt":"2026-05-18T19:11:16.456Z","embedding":null,"createdAt":"2026-05-18T13:17:41.646Z","updatedAt":"2026-05-18T19:11:16.456Z","lastSeenAt":"2026-05-18T19:11:16.456Z","tsv":"'/markuplint/markuplint':115 '/skills/markuplint-html-linter/)':122 'access':21,64 'across':27,70 'agent':117 'agentskillexchange.com':121 'agentskillexchange.com/skills/markuplint-html-linter/)':120 'architectur':43,86 'astro':32,75 'automat':99 'back':91 'best':25,68 'complianc':23,66 'comprehens':11,54 'could':96 'design':14,57 'develop':7,18,50,61 'enforc':20,63 'exchang':119 'extract':98 'github.com':114 'github.com/markuplint/markuplint':113 'html':2,12,28,45,55,71 'instal':87,92 'instruct':95 'jsx':29,72 'languag':38,81 'linter':3,13,46,56 'markup':6,17,49,60 'markuplint':1,8,44,51 'parser':42,85 'php':33,76 'pluggabl':41,84 'practic':26,69 'project':103 'pug':34,77 'review':100 'run':105 'sensit':110 'skill':107,118 'skill-markuplint-html-linter' 'sourc':90,112,116 'source-agentskillexchange' 'source-back':89 'spec':22,65 'svelt':31,74 'templat':37,80 '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' 'upstream':102 'usag':94 'vue':30,73 'workflow':111","prices":[{"id":"d85dfb7a-e748-4b41-9163-6222aac6e9ac","listingId":"8cd4dede-1de5-4235-8551-481f0eb98a14","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"skill-free","isPrimary":true,"details":{"org":"agentskillexchange","category":"skills","install_from":"skills.sh"},"createdAt":"2026-05-18T13:17:41.646Z"}],"sources":[{"listingId":"8cd4dede-1de5-4235-8551-481f0eb98a14","source":"github","sourceId":"agentskillexchange/skills/markuplint-html-linter","sourceUrl":"https://github.com/agentskillexchange/skills/tree/main/skills/markuplint-html-linter","isPrimary":false,"firstSeenAt":"2026-05-18T13:17:41.646Z","lastSeenAt":"2026-05-18T19:11:16.456Z"}],"details":{"listingId":"8cd4dede-1de5-4235-8551-481f0eb98a14","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"org":"agentskillexchange","slug":"markuplint-html-linter","github":{"repo":"agentskillexchange/skills","stars":8,"topics":["agent-skills","ai-agents","ai-tools","awesome-list","claude-code","codex","cursor","llm","mcp","npx-skills","openclaw","skills-catalog"],"license":"mit","html_url":"https://github.com/agentskillexchange/skills","pushed_at":"2026-05-18T19:02:17Z","description":"The open catalog of AI agent skills — 2,000+ security-scanned skills for Claude Code, Cursor, Codex, and more.","skill_md_sha":"fd33989d167bfaeb586bde935c58c987fe20a38e","skill_md_path":"skills/markuplint-html-linter/SKILL.md","default_branch":"main","skill_tree_url":"https://github.com/agentskillexchange/skills/tree/main/skills/markuplint-html-linter"},"layout":"multi","source":"github","category":"skills","frontmatter":{"name":"markuplint HTML Linter for All Markup Developers","description":"markuplint is a comprehensive HTML linter designed for all markup developers. 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