Summary
Core-skills are first-party Anthropic skills shipped with Claude. They are focused, well-tested building blocks for everyday document, spreadsheet, presentation, and skill-management work.
What You Will Find Here
- 9 self-contained skill folders, each with its own
SKILL.md - coverage for Word, Excel, PowerPoint, and PDF workflows
- supporting skills for skill creation, scheduling, memory consolidation, and Cowork onboarding
Structure
| Skill | What it does |
|---|---|
| consolidate-memory | reflective pass over memory files — merge duplicates, fix stale facts, prune the index |
| doc-coauthoring | structured workflow for co-authoring documentation, proposals, specs |
| docx | create, read, edit Word .docx files — TOCs, headings, tables, images, tracked changes |
| full PDF toolkit — extract, merge, split, rotate, watermark, fill forms, OCR | |
| pptx | anything involving .pptx — create decks, parse, edit, work with templates |
| schedule | create scheduled tasks that run on demand or on an interval |
| setup-cowork | guided Cowork onboarding — install plugin, try a skill, connect tools |
| skill-creator | create, modify, and benchmark agent skills |
| xlsx | spreadsheet handler — formulas, formatting, charts, data cleaning |
Scope
- first-party Anthropic skills — proprietary, see
LICENSE.txtin each folder - focused single-purpose tools rather than broad workflows
- read-only archive — copy a folder into an active skills directory to use it