ReddRadar
Agent skill
vault-schema
Analyze all frontmatter fields used across the vault. Triggers on "frontmatter schema", "metadata fields", "what fields exist", "vault schema".
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/show-schema
SKILL.md
Frontmatter Schema Analyzer
Understand all metadata fields used across your vault.
When to Use
Invoke when you want to:
- Discover what frontmatter fields exist in your vault
- Understand field usage patterns (types, counts)
- Plan metadata standardization
- Get an overview of your vault's schema
Arguments
| Argument | Required | Description |
|---|---|---|
| None | - | This skill requires no arguments |
Process
1. Parse User Input
Recognize schema requests:
- "what frontmatter fields exist in my vault?"
- "show me the vault schema"
- "what metadata fields do I use?"
2. Call MCP Tool
mcp__flywheel__get_frontmatter_schema()
3. Format Results
Frontmatter Schema Analysis
=================================================
Total Fields: 15 unique fields across vault
Field Overview:
-------------------------------------------------
Field Type(s) Usage Notes
──────────────────────────────────────────────
type string 234 Most common: "project", "note"
status string 156 Most common: "active", "done"
date string 342 Date format: YYYY-MM-DD
tags array 89 Avg 3 tags per note
author string 45 Usually "@username" format
created string 412 Timestamp or date
modified string 412 Timestamp or date
aliases array 67 For note title variations
priority number 23 Range: 1-5
project string 78 Links to project notes
-------------------------------------------------
Type Distribution:
string: 10 fields (67%)
array: 3 fields (20%)
number: 1 field (7%)
boolean: 1 field (7%)
Top 5 Most Used Fields:
1. created (412 notes)
2. modified (412 notes)
3. date (342 notes)
4. type (234 notes)
5. status (156 notes)
=================================================
Use Cases
- Schema discovery: "What metadata am I actually using?"
- Standardization planning: "Which fields should I consolidate?"
- Migration prep: "What fields need to be converted?"
- Documentation: "What's the schema of my knowledge base?"
Integration
Works well with other skills:
- vault-field-values: See all unique values for a specific field
- vault-schema-check: Find inconsistencies in field types
- vault-search: Query notes by frontmatter fields
Version: 1.0.0
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