[{"name": "algorithmic-art", "description": "Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.", "source": "github", "identifier": "anthropics/skills/skills/algorithmic-art", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/algorithmic-art", "tags": []}, {"name": "brand-guidelines", "description": "Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.", "source": "github", "identifier": "anthropics/skills/skills/brand-guidelines", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/brand-guidelines", "tags": []}, {"name": "canvas-design", "description": "Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.", "source": "github", "identifier": "anthropics/skills/skills/canvas-design", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/canvas-design", "tags": []}, {"name": "claude-api", "description": "Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration.\nTRIGGER — read BEFORE opening the target file; don't skip because it \"looks like a one-liner\" — whenever: the prompt names Claude/Anthropic in any form (Claude, Anthropic, Opus, Sonnet, Haiku, `anthropic`, `@anthropic-ai`, `claude-*`, `us.anthropic.*`, `[1m]`); the user asks about an LLM (pricing/model choice/limits/caching) — never answer from memory; OR the task is LLM-shaped with provider unstated (agent/MCP/tool-definition/multi-agent/RAG/LLM-judge/computer-use; generate/summarize/extract/classify/rewrite/converse over NL; debugging refusals/cutoffs/streaming/tool-calls/tokens).\nSKIP only when another provider is being worked on (overrides all triggers): OpenAI/GPT/Gemini/Llama/Mistral/Cohere/Ollama named in the query; OR `grep -rE 'openai|langchain_openai|google.generativeai|genai|mistralai|cohere|ollama'` over the project hits (run this grep FIRST if no provider named — don't Read the file).", "source": "github", "identifier": "anthropics/skills/skills/claude-api", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/claude-api", "tags": []}, {"name": "doc-coauthoring", "description": "Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.", "source": "github", "identifier": "anthropics/skills/skills/doc-coauthoring", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/doc-coauthoring", "tags": []}, {"name": "docx", "description": "Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files). Triggers include: any mention of 'Word doc', 'word document', '.docx', or requests to produce professional documents with formatting like tables of contents, headings, page numbers, or letterheads. Also use when extracting or reorganizing content from .docx files, inserting or replacing images in documents, performing find-and-replace in Word files, working with tracked changes or comments, or converting content into a polished Word document. If the user asks for a 'report', 'memo', 'letter', 'template', or similar deliverable as a Word or .docx file, use this skill. Do NOT use for PDFs, spreadsheets, Google Docs, or general coding tasks unrelated to document generation.", "source": "github", "identifier": "anthropics/skills/skills/docx", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/docx", "tags": []}, {"name": "frontend-design", "description": "Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.", "source": "github", "identifier": "anthropics/skills/skills/frontend-design", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/frontend-design", "tags": []}, {"name": "internal-comms", "description": "A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).", "source": "github", "identifier": "anthropics/skills/skills/internal-comms", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/internal-comms", "tags": []}, {"name": "mcp-builder", "description": "Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).", "source": "github", "identifier": "anthropics/skills/skills/mcp-builder", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/mcp-builder", "tags": []}, {"name": "pdf", "description": "Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting/decrypting PDFs, extracting images, and OCR on scanned PDFs to make them searchable. If the user mentions a .pdf file or asks to produce one, use this skill.", "source": "github", "identifier": "anthropics/skills/skills/pdf", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/pdf", "tags": []}, {"name": "pptx", "description": "Use this skill any time a .pptx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying, or updating existing presentations; combining or splitting slide files; working with templates, layouts, speaker notes, or comments. Trigger whenever the user mentions \"deck,\" \"slides,\" \"presentation,\" or references a .pptx filename, regardless of what they plan to do with the content afterward. If a .pptx file needs to be opened, created, or touched, use this skill.", "source": "github", "identifier": "anthropics/skills/skills/pptx", "trust_level": "trusted", "repo": "anthropics/skills", "path": "skills/pptx", "tags": []}]