anthropics/skills

• **Archetype**: mega-skill-pack
• **Stars**: 115,745
• **Last pushed**: 2026-04-09
• **License**: No explicit license (partial Apache-2.0 per skill)
• **Discovered**: 2026-04-12
• **Skills found**: 17

Summary

Official Anthropic skills repository and the canonical reference for Claude Code agent skills. Contains 17 first-party skills covering document generation (pdf, docx, xlsx, pptx), frontend design, MCP server building, webapp testing, algorithmic art, skill creation, brand guidelines, and more. This is the highest-starred agent skills repo on GitHub by a wide margin (115k+).

Assessment

This is the upstream source for the agent skills standard. The MCP builder skill is directly relevant to babysitter's MCP integration surface. The skill-creator meta-skill provides patterns for programmatic skill generation. Frontend-design, webapp-testing, and doc-coauthoring skills map to babysitter process specializations. The template/SKILL.md defines the canonical skill format that all other repos follow.

Extraction Priority

• High
• Rationale: Canonical skill definitions from the platform vendor. The MCP builder skill pattern is directly applicable to babysitter's mcp:serve surface. Document generation skills (pdf/docx/xlsx/pptx) are high-value specializations. The skill-creator meta-skill pattern could inform babysitter's process-builder skill.

Processes

• mcp-server-development -- Multi-phase MCP server creation workflow (research, design, implement, test) extractable as specializations/devx/mcp-server-development.js
• document-generation -- PDF/DOCX/XLSX/PPTX generation workflows extractable as specializations/business/document-generation.js
• frontend-design-review -- Frontend design quality assessment extractable as specializations/devx/frontend-design.js
• webapp-testing -- End-to-end webapp testing workflow extractable as specializations/devx/webapp-testing.js
• skill-scaffolding -- Meta-process for creating new skills, relevant to process-builder

Plugin Ideas

• **DevX**: MCP server builder plugin that scaffolds MCP servers following Anthropic's canonical patterns, with test harness generation
• **tools integration**: Document generation plugin wrapping pdf/docx/xlsx/pptx skills into a unified document factory with template support
• **QA & testing**: Webapp testing plugin that orchestrates Playwright-based visual and functional testing following the webapp-testing skill pattern
• **theming**: Brand guidelines enforcement plugin that validates UI output against configurable brand standards

Patterns

• Phased workflow pattern: skills consistently follow Discovery -> Analysis -> Implementation -> Verification phases
• YAML frontmatter with name, description, license, optional allowed-tools and metadata fields
• Template-driven skill creation via template/SKILL.md -- defines the canonical skill format
• Skills are self-contained markdown with no external dependencies beyond specified tools

Library Mapping

Plugin Marketplace Mapping