Write and lint YAML front matter for markdown files across multiple dialects.
npx skills add https://github.com/x-cmd/x-cmd --skill yfm
Please help me install this Agent Skill. Skill: yfm Source: https://github.com/x-cmd/x-cmd/tree/main/mod/skill0/lib/skill0/core/yfm Command: npx skills add https://github.com/x-cmd/x-cmd --skill yfm
Markdown files used by agents, indexers, and ontology pipelines need consistent YAML front matter, but dialects differ widely (Agent Skills, Obsidian, Jekyll, Hugo), causing tag extraction errors and metadata drift.
tags, description, and memo (an ISO 8601 timestamped revision log), with extensions like issue: for design stories and repo:/number: for GitHub issue bodies.x yfm ls lists YFM blocks, x yfm init writes default blocks into markdown files, and x yfm lint validates blocks against their claimed dialect..x-cmd/story/, generate a conforming front matter block and lint it so the ontology collector can index tags and relations correctly.Ask the agent to add a standard YAML front matter block with tags, description, and memo to every markdown file in the current project and lint them for dialect conformance.
High-intent search queries and answers about installing and using this skill.
Run `x yfm init [path]` to write a default front matter block with tags, description, and memo fields into each markdown file under the path. Use `x yfm ls` to inspect existing blocks before modifying them.
Run `x yfm lint [path]` to check that each front matter block is valid YAML and follows the dialect it claims, such as Agent Skills, Obsidian, Jekyll, or Hugo conventions.
Obsidian requires tags as a YAML list with no spaces and supports slash hierarchies like inbox/to-read. Jekyll accepts either a list or a space-separated string, and treats categories separately from tags since categories affect URL paths.
No. The Agent Skills spec defines a closed top-level set: name, description, license, compatibility, metadata, and allowed-tools. Custom fields like version or author must be placed inside the metadata map as string values.
Follow the existing dialect when a file is already governed by one, such as an Obsidian vault or Jekyll site. The x-cmd default of tags, description, and memo applies only when no other dialect governs the document.
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