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Lossless Flavored Markdown

Category: Engineering  ·  Sub-category: engineering-misc  ·  Last updated:
tool:obsidiantype:review
The Lossless Group's extended-markdown flavor — what LFM is, when to use it, how its directives normalize across syntaxes (CommonMark, GFM, Obsidian callouts, remark-directive, Markdoc), how citations and link previews work, and how sites extend it via trigger maps and theme tokens. Use whenever authoring or rendering content in any Astro Knots site, integrating the @lossless-group/lfm package, building or registering custom components for markdown, debugging callouts/embeds/citations, or when the user mentions "LFM", "Lossless Flavored Markdown", "extended markdown", "directive syntax", "wikilink", "trigger map", "callout", or "hex-code citation".

From the source SKILL.md

LFM is the Lossless Group's extended-markdown spec, implemented as the @lossless-group/lfm package. The package source lives inside the astro-knots repo today (and may graduate to its own repo later). Downstream sites and apps consume it as a dependency from JSR (jsr.io), the canonical public registry. GitHub Packages is a secondary mirror for internal use.

What this skill does

Lossless Flavored Markdown is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/lossless-flavored-markdown/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use whenever authoring or rendering content in any Astro Knots site, integrating the @lossless-group/lfm package, building or registering custom components for markdown, debugging callouts/embeds/citations, or when the user mentions "LFM", "Lossless Flavored Markdown", "extended markdown", "directive syntax", "wikilink", "trigger map", "callout", or "hex-code citation".

Who uses this skill

The Lossless Flavored Markdown Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/lossless-flavored-markdown
curl -L https://claudskills.com/skills/lossless-flavored-markdown/SKILL.md \
  -o ~/.claude/skills/lossless-flavored-markdown/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/lossless-flavored-markdown/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/lossless-flavored-markdown/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\lossless-flavored-markdown\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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