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    readme-validator

    by Zicheng Liao

    Audit README files for broken links, missing sections, and formatting issues to ensure professional documentation.

    Updated May 2026
    0 installs

    Free

    One-time purchase

    Included in download

    • Downloadable skill package
    • 1 permission declared
    • Instant install

    Sample Output

    A real example of what this skill produces.

    README Score: 72/100 [Critical] Line 45: Broken Link - http://example.com/docs (404). Replace with current URL. [Warning] Line 5: Missing Section - No Contributing guide found. [Info] Line 23: Formatting - Code block missing 'bash' language tag. Total Links: 24 | Broken: 2 | Sections: 6/9 present.

    About This Skill

    What it does

    The README Validator is a specialized diagnostic utility for project documentation. It performs a deep, read-only audit of README.md files to identify broken links, missing mandatory sections, expired badges, and inconsistent formatting. Instead of just checking spelling, it evaluates the structural integrity and professional quality of your repository's front page.

    Why use this skill

    Maintaining high-quality documentation is critical for project adoption and credibility, but manually checking every link and section is tedious. This skill automates the audit process, ensuring your project meets industry standards before you push to production or submit to open-source directories. It catches the "silent killers" of documentation—like 404ing installation links or outdated screenshots—that human reviewers often overlook.

    Supported Standards

    • Comprehensive Link Audit: Validates internal fragment links, relative paths, and external URL syntax.
    • Section Analysis: Checks for Installation, Usage, License, and Contributing sections based on project type.
    • Badge Verification: Audits CDN sources and markdown syntax for CI/CD and coverage badges.
    • Rich Output: Generates a structured severity-based report (Critical, Warning, Info) with a health score.

    Unlike a generic LLM prompt, this skill follows a rigorous validation checklist and scoring rubric, providing consistent results that differentiate between minor formatting preferences and critical legal risks like missing licenses.

    Use Cases

    • Identify broken installation and documentation links before a release
    • Ensure all repositories in an organization follow a consistent structure
    • Flag missing licenses and contributing guides for open-source compliance
    • Detect outdated or broken CI/CD badges and expired screenshots
    • Standardize markdown formatting and syntax highlighting across project docs

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    Security Scanned

    Passed automated security review

    Permissions

    Terminal / Shell

    Allowed Hosts

    example.com
    docs.acme.com
    imgur.com

    File Scopes

    references/**
    scripts/**
    assets/**

    Frequently Asked Questions

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