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schema-infer

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Auto-detect metadata conventions for a folder. Triggers on "infer schema", "what conventions", "learn schema", "folder conventions".

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How to use this skill

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  3. Review the proposed files and risks before you approve installation.
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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/schema-infer/SKILL.md

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Schema Inference

Auto-detect metadata conventions from your existing notes. Zero configuration - the system learns from what you've already written.

When to Use

Invoke when you want to:

  • Understand what frontmatter fields are standard in a folder
  • Discover implicit schemas from existing notes
  • Find required vs optional fields
  • See naming patterns for files

Arguments

ArgumentRequiredDescription
folderNoFolder to analyze (e.g., "meetings/"). Omit for entire vault.

Process

1. Parse User Input

Recognize schema inference requests:

  • "what conventions does my meetings folder use?"
  • "infer schema for projects/"
  • "what fields should be in daily notes?"

2. Call MCP Tool

mcp__flywheel__infer_folder_conventions({
  folder: "meetings/",
  min_confidence: 0.5
})

3. Format Results

## Inferred Schema: meetings/

Based on 47 notes in this folder:

### Required Fields (>90% presence)
| Field | Type | Common Values |
|-------|------|---------------|
| type | string | "meeting" (100%) |
| date | date | - |
| attendees | array[wikilink] | - |

### Optional Fields (50-90% presence)
| Field | Type | Common Values |
|-------|------|---------------|
| status | string | scheduled (40%), completed (50%), cancelled (10%) |
| tags | array | meeting, standup, review |

### Suggested Computed Fields
- word_count (not currently tracked)
- link_count (not currently tracked)

### Naming Convention
Files follow pattern: `YYYY-MM-DD *.md`

### Coverage
- 94% of notes have frontmatter
- 3 notes may be incomplete (see /schema-gaps)

Use Cases

  • New folder setup: "What schema should my new project folder follow?"
  • Documentation: "Document the metadata conventions for this vault"
  • Consistency check: "Are my meeting notes following a pattern?"
  • Onboarding: "What fields does this team use?"

Integration

Works well with other skills:

  • schema-gaps: Find notes missing expected fields
  • schema-apply: Apply inferred conventions to incomplete notes
  • vault-schema: See vault-wide field overview

Version: 1.0.0