Markuplint
No liveness check has reached it yet; it is registered on GitHub and has been in the index since 19 Sep 2026. How this is checked
Markuplint is an open-source linter for HTML and related markup formats. It checks standards conformance, accessibility, security, performance, naming conventions, and component relationships across frameworks including JSX, Vue, Svelte, Astro, and Markdown.
Overview
10 featuresMarkuplint is a Static analysis & linters project. It focuses on catching invalid, inaccessible, or inconsistent markup before it reaches production. Markuplint is an open-source project aimed at web developers and frontend teams. Markuplint is open source under the MIT license. Markuplint is available on the web, the command line, and API, and it can be self-hosted.
Markuplint contributors builds and maintains Markuplint, and it first shipped in 2017. The project is developed in the open on GitHub with 617 stars and 131 commits in the last 90 days. Key capabilities include HTML conformance checking, accessibility rules, and custom coding rules. The interface is available in English and Japanese.
Summary written by a language model from the project’s public pages.
- HTML conformance checking
- Accessibility rules
- Custom coding rules
- Design system validation
- CSS selector targeting
- JSX linting
- Vue linting
- Svelte linting
- Markdown linting
- VS Code extension
Built with & integrations
- Claude Code
- commit ed07019cafaf · since Sep 2026
- Netlify
- x-nf-request-id header
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed19 Sep · 23:29 UTCListing verified via Store homepage redirect (Phase B backfill)Source: Store homepage redirect (Phase B backfill) · Open
Frequently asked questions about Markuplint
- What does Markuplint do?
- Markuplint focuses on catching invalid, inaccessible, or inconsistent markup before it reaches production. It is catalogued under Static analysis & linters on PulseGate.
- Who is Markuplint for?
- Markuplint is an open-source project built for web developers and frontend teams.
- Is Markuplint free?
- Yes — Markuplint is open source under the MIT license and free to use.
- What platforms does Markuplint run on?
- Markuplint runs on the web, the command line, and API. It can also be self-hosted.
- Is Markuplint still active?
- The GitHub repository shows 131 commits in the last 90 days.
- Who develops Markuplint?
- Markuplint is developed by Markuplint contributors.
- How long has Markuplint been around?
- Markuplint first shipped in 2017.
- Is Markuplint open source?
- Yes — Markuplint is open source under the MIT license, developed on GitHub.
Similar projects
Closest matches by what these projects do