pdf
anthropics/skills180k
anthropics/skills180kRead and edit PDFs: extract text and tables, merge, split, rotate, and fill forms.
Agent Skills
Picked by use case. The full directory covers 416 Skill repositories; see Top repos and All.
Documents & office
Read, edit and create PDF, Word, Excel and PowerPoint files.
docxanthropics/skills180k
anthropics/skills180kdocx
Create and edit Word docs with TOC, page numbers, headers and more.
xlsxanthropics/skills180k
anthropics/skills180kxlsx
Read and edit spreadsheets: add columns, compute formulas, format, and clean messy data.
pptxanthropics/skills180k
anthropics/skills180kpptx
Create and edit slide decks, generate slides from templates, and extract text.
Frontend & design
Designing and building interfaces, visuals and diagrams.
frontend-designanthropics/skills180k
anthropics/skills180kfrontend-design
Set visual direction and typography for UI, avoiding templated defaults.
frontend-ui-engineering
addyosmani/agent-skills103k
addyosmani/agent-skills103kfrontend-ui-engineering
Build production-quality UIs with design system adherence and WCAG accessibility.
web-artifacts-builderanthropics/skills180k
anthropics/skills180kweb-artifacts-builder
Build complex HTML artifacts with React, Tailwind CSS, state management and routing.
diagram-design
cathrynlavery/diagram-design46k
cathrynlavery/diagram-design46kdiagram-design
Create architecture diagrams, flowcharts, sequence and ER diagrams, timelines and more, in a consistent style.
Engineering practice
Workflows for testing, debugging and code review.
test-driven-developmentaddyosmani/agent-skills103k
addyosmani/agent-skills103ktest-driven-development
Write a failing test first, then code to pass it using red-green-refactor.
debugging-and-error-recoveryaddyosmani/agent-skills103k
addyosmani/agent-skills103kdebugging-and-error-recovery
Triage test failures and build errors step by step: reproduce, find root cause, fix—no guessing.
code-review-and-qualityaddyosmani/agent-skills103k
addyosmani/agent-skills103kcode-review-and-quality
Review code for correctness, readability, architecture, security, and performance before merging.
webapp-testinganthropics/skills180k
anthropics/skills180kwebapp-testing
Test local web apps: verify frontend, debug UI, capture screenshots and view browser logs.
Extending agents
Write Skills and MCP servers, call the Claude API, manage context.
skill-creatoranthropics/skills180k
anthropics/skills180kskill-creator
Create new skills, refine existing ones, test performance, and improve triggering accuracy.
mcp-builderanthropics/skills180k
anthropics/skills180kmcp-builder
Build MCP servers with clear tool naming, API coverage, and actionable error messages.
claude-apianthropics/skills180k
anthropics/skills180kclaude-api
Look up model IDs, pricing, params, and set up streaming and tool use.
context-engineeringaddyosmani/agent-skills103k
addyosmani/agent-skills103kcontext-engineering
Organize project rules and context for steadier agent output.
Top Skill repositories
Skill repositories ranked by GitHub stars, updated daily.
#1
20 Skills180k
#2
12 Skills158k
DietrichGebert/ponytail
Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
ponytail-debt · ponytail · ponytail-debt · ponytail-gain
#3
25 Skills103k
addyosmani/agent-skills
Production-grade engineering skills for AI coding agents.
constraint-driven-development · incremental-implementation · interview-me · performance-optimization
#4
30 Skills100k
nexu-io/open-design
🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / DeepSeek Harness / OpenCode & 20+ CLIs via BYOK.
dashboard · docs-page · email-marketing · dating-web