Upstash Vector TypeScript SDK guide
upstash/vector-js
Quick-start guidance and an entry point for Upstash Vector features, TypeScript SDK usage, integrations and supported frameworks.
No scriptsNetwork accessNo hooksAsks for secrets
★ 71checked
Agent skills
Skills
Skills extend coding agents with new instructions and scripts. Each page says what the skill does, how to install it and what it can touch on your machine.
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23 skills
Dataframely for polars data frames
Quantco/dataframely
Practices for polars data processing with dataframely: Schema and Collection definitions, .validate() and .filter(), type hints and testing.
No scriptsNo networkNo hooksNo secretsClaude Code, Codex, GitHub Copilot★ 618checked
Python cheat sheets
crazyguitar/pysheeet
A Python reference covering syntax, concurrency, networking, databases, ML/LLM work and HPC, for Python questions, interview prep, debugging and development.
No scriptsNetwork accessNo hooksNo secretsClaude Code★ 8.2Kchecked
Slack GIF creator
anthropics/skills
Knowledge and Python utilities for making animated GIFs optimized for Slack, covering size constraints, validation tools and animation concepts.
Runs scriptsNo networkNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 181Kchecked
Discernment nudge
anthropics/skills
Appends two or three follow-up questions after a substantive answer or draft, helping the user check facts, probe reasoning and spot missing context.
No scriptsNo networkNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 181Kchecked
Claude Academy guide
anthropics/skills
Recommends a matching course, tutorial or use case from Claude Academy, Anthropic's learning hub, when a user asks how to use Claude or a Claude product.
No scriptsNetwork accessNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 181Kchecked
Web artifacts builder
anthropics/skills
Builds complex, multi-component claude.ai HTML artifacts with React, Tailwind CSS and shadcn/ui, for work needing state, routing or shadcn/ui components rather than single-file artifacts.
Runs scriptsNetwork accessNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
Theme factory
anthropics/skills
Styles slides, documents, reports, HTML landing pages and other artifacts with one of 10 preset color and font themes, or a new theme generated on request.
No scriptsNo networkNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
Internal communications writer
anthropics/skills
Helps Claude write internal communications such as status reports, leadership updates, 3P updates, newsletters, FAQs, incident reports and project updates in a company's preferred formats.
No scriptsNo networkNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
Avoid AI writing
conorbronsdon/avoid-ai-writing
Audits and rewrites text to remove AI writing patterns, with a detect-only mode, an edit-in-place mode for files, optional voice profiles and an iterate-to-convergence pass.
No scriptsNetwork accessNo hooksNo secretsClaude Code, Cursor, VS Code Copilot★ 4.8Kchecked
Excel spreadsheet tools
anthropics/skills
For any task where a spreadsheet file is the main input or output: reading, editing, fixing, creating, cleaning or converting .xlsx, .xlsm, .xltx, .csv or .tsv files.
Runs scriptsNetwork accessNo hooksNo secretsClaude Code★ 180Kchecked
Web app testing with Playwright
anthropics/skills
A toolkit for testing local web applications with Playwright: checking frontend behavior, debugging the UI, taking browser screenshots and reading browser logs.
Runs scriptsNetwork accessNo hooksNo secretsClaude Code★ 180Kchecked
Skill creator
anthropics/skills
Creates new agent skills, edits and improves existing ones, runs evals and benchmarks on them, and tunes a skill's description so it triggers more reliably.
Runs scriptsNetwork accessNo hooksAsks for secretsClaude Code, Claude.ai, Cowork★ 180Kchecked
PowerPoint (pptx) files
anthropics/skills
Used whenever a .pptx or .potx file is involved: creating decks, reading or extracting text, editing presentations, combining or splitting slides, and working with templates, layouts, notes or comments.
Runs scriptsNetwork accessNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
PDF processing
anthropics/skills
Handles PDF tasks: reading and extracting text or tables, merging, splitting, rotating, watermarking, creating, filling forms, encrypting or decrypting, extracting images and OCR on scanned files.
Runs scriptsNo networkNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
MCP server builder
anthropics/skills
A guide for building MCP servers that let language models use external services and APIs through well-designed tools, in Python with FastMCP or TypeScript with the MCP SDK.
Runs scriptsNetwork accessNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
Frontend design
anthropics/skills
Guides an agent toward distinctive, deliberate visual design when building or reworking a UI, covering aesthetic direction, typography and choices that avoid templated defaults.
No scriptsNo networkNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
Anthropic brand guidelines
anthropics/skills
Applies Anthropic's brand colors and typography to artifacts that should carry Anthropic's look, when brand colors, style guides or company design standards matter.
No scriptsNo networkNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
Algorithmic art with p5.js
anthropics/skills
Helps an agent create original generative art in p5.js with seeded randomness and adjustable parameters, for requests about flow fields, particle systems or code-based art.
Runs scriptsNetwork accessNo hooksNo secretsClaude Code, Claude.ai, Claude API★ 180Kchecked
Word document tools
anthropics/skills
Teaches an agent to create, read, edit, and manipulate Word documents and templates, including formatting, images, comments, tracked changes, and content extraction.
Runs scriptsNetwork accessNo hooksNo secretsClaude, Claude Code★ 180Kchecked
Document co-authoring
anthropics/skills
Guides users through a structured process for writing documentation, proposals, technical specs, decision documents, and similar substantial content.
No scriptsNetwork accessNo hooksNo secretsClaude, Claude Code★ 180Kchecked
Claude API
anthropics/skills
Reference for Claude API and Anthropic SDK work, including models, pricing, parameters, streaming, tools, MCP, agents, caching, token counting and migrations.
Runs scriptsNetwork accessNo hooksAsks for secretsClaude Code★ 180Kchecked
Canvas design
anthropics/skills
Creates original static visual art as PNG or PDF files from a design philosophy, for posters, artwork, designs and similar pieces.
No scriptsNo networkNo hooksNo secretsClaude Code, Claude★ 180Kchecked