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Productivity

Advanced Skill Creator

Build, test, and ship Claude skills. Five paths from a 5-minute draft to a fully evaluated, packaged skill with self-correcting quality loops.

Download .skillInstall guide

Five paths, pick what fits

Draft

5 min

Draft + Test

15 min

Full Eval

30 min

Architect

1-2 hrs

Package

2 min

What it generates

Say "build me a skill for PDF form filling" and it produces a complete SKILL.md with frontmatter, workflow steps, scripts, and anti-patterns.

Generated SKILL.md
valid
01---
02name: pdf-form-filler
03description: Extract form fields from PDFs, fill them
04 with provided data, and generate completed files.
05---
06
07# PDF Form Filler
08
09## Workflow
10- [ ] Step 1: Analyze form (scripts/analyze_form.py)
11- [ ] Step 2: Create field mapping (fields.json)
12- [ ] Step 3: Validate (scripts/validate.py)
13- [ ] Step 4: Fill forms (scripts/fill.py)
14- [ ] Step 5: Verify output
15
16## Anti-Patterns
17- Don't skip validation step...

Quality grading

On the Full Eval or Architect path, the skill grades its own output against a rubric before shipping.

pdf-form-filler: test case "Tax 1040"4/5
✓ All form fields identified and mapped (12/12)
✓ Data matches field types (text, date, checkbox)
⚠ Signature field detected but marked read-only
✓ Output PDF opens without errors
✗ Checkboxes not toggled (expected checked, got unchecked)