rumdl-action

Version updated for https://github.com/rvben/rumdl to version v0.1.0.

• This action is used across all versions by 14 repositories.

Go to the GitHub Marketplace to find the latest changes.

Action Summary

The GitHub Action “rumdl” is a high-performance Markdown linter and formatter built with Rust, designed to ensure consistency and best practices in Markdown files. It automates the detection and correction of common Markdown issues, supports multiple Markdown flavors, and offers fast performance with intelligent caching for CI/CD pipelines and editor integrations. Key capabilities include 57 linting rules, automatic formatting, zero dependencies, and extensive configuration options, making it ideal for developers seeking efficient Markdown management.

Release notes

🎉 First Stable Release

rumdl reaches production-ready status after validation against 99,291 markdown files across 51 popular repositories (kubernetes, react, vscode, rust-lang, tensorflow, and more) with zero false positives detected.

Added

• CLI: fmt --check flag for CI usage

  • Returns non-zero exit code if files would be modified
  • Enables dry-run formatting checks in CI pipelines

• Fuzz testing infrastructure

  • Fix idempotency fuzzer verifies fixes don’t oscillate
  • Run with make fuzz (requires nightly Rust)

Fixed

• MD032: Single-pass idempotency for list blank lines

  • Fixes edge case where multiple fix passes could produce different results

• MD050: Correct byte range for fix replacement

  • Fixes auto-fix for strong emphasis style in certain edge cases

Changed

• README: Added “Used By” section with notable projects using rumdl
• README: Updated SchemaStore section to reflect current status

Downloads

Installation

Using uv (Recommended)

uv tool install rumdl

Using pip

pip install rumdl

Using pipx

pipx install rumdl

Direct Download

Download the appropriate binary for your platform from the table above, extract it, and add it to your PATH.

• rvben
• GitHub Actions