Portable YAML frontmatter and JSON codecs for ARC validation packages.

Creates a json file from many files with yaml frontmatter

Frameset is a tool for designing and specifying UI using templates. Each frame is one self-contained file — YAML frontmatter over a Liquid template — that takes parameters, renders as its own document, and can be embedded inside other frames. Nest them an

BeRun runner for using yaml frontmatter with TDX documentation applications

CodeMirror 6 language mode for MDX - markdown with YAML frontmatter, ESM imports/exports, and JSX. Built for markdown.space.

Sync IMAP inboxes (OAuth or password) to Markdown files — one file per email, with YAML frontmatter

remark plugin to support frontmatter (yaml, toml, and more)

The simplest API for reading and modifying TASKS.md boards — Markdown task checklists with YAML frontmatter

Lightweight YAML frontmatter parser for Markdown files.

Convert Hashnode blog exports to framework-agnostic Markdown with YAML frontmatter

Convert notes between HTML/JSON and Markdown with YAML Frontmatter. Ideal for Notion/Obsidian migrations.

CLI tool to import YAML-frontmatter Markdown files + images into Firestore using model definition JSON

A Vite plugin that compiles Markdown files into [Nord](https://docs.nordjs.dev) components — with GFM, YAML frontmatter, and custom `:::directive` blocks that render registered components inline.

Validate Open Knowledge Format (OKF) v0.2 bundles: parse markdown + YAML frontmatter, check OKF v0.2 conformance, and validate frontmatter against the versioned default OKF JSON Schema or a per-document custom schema URL.

Parse markdown quiz files into structured objects. Supports YAML frontmatter, checkbox answers, code blocks, and per-answer explanations.

Extract metadata from .riv files as Markdown with YAML frontmatter

micromark extension to support frontmatter (YAML, TOML, etc)

mdast extension to parse and serialize frontmatter (YAML, TOML, etc)

Parses Spexor .feature files with YAML frontmatter and Gherkin.

vfile utility to parse the YAML front matter in a file