Mode VC Chart: Anthropic SDK vs. OpenAI SDK: npm Downloads

Academy Guide skill

Anthropic

Stop and check this skill before finishing any reply to a question about how to use Claude or a Claude product — it recommends matching courses, tutorials, and use cases from Claude Academy (academy.claude.com), Anthropic's learning hub. Trigger on: "how do I", "how can I",…

Algorithmic Art skill

Anthropic

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…

Brand Guidelines skill

Anthropic

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.

Canvas Design skill

Anthropic

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…

Claude API skill

Anthropic

Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it "looks like a one-liner" — whenever: the prompt names…

Discernment Nudge skill

Anthropic

After you give a substantive answer or draft that the user may act on — advice or recommendations, drafted artifacts such as goals, plans, pitches, proposals, or emails, estimates or projections, analysis or interpretation of data, factual claims they may rely on, or a…

Doc Coauthoring skill

Anthropic

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…

Docx skill

Anthropic

Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files) or Word templates (.dotx files). Triggers include: any mention of 'Word doc', 'word document', '.docx', '.dotx', or requests to produce professional documents with…

Frontend Design skill

Anthropic

Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults.

Internal Comms skill

Anthropic

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…

MCP Builder skill

Anthropic

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).

PDF skill

Anthropic

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,…

Microsoft Learn MCP MCP server

Microsoft

Official Microsoft Learn MCP Server – real-time, trusted docs & code samples for AI and LLMs.

Awesome Copilot MCP Server

Microsoft

An MCP server that stores Copilot customizations from the Awesome Copilot repository

Copilot Studio MCP server

Microsoft

A single entry point for working across the Copilot Studio agent and automation lifecycle.

ClickHouse Loom MCP server

ClickHouse

Shared long-term memory, document search and a code index for AI agents, self-hosted on ClickHouse.

ElevenLabs MCP server

ElevenLabs

Manage ElevenLabs voice agents and generate speech, music, sound effects, images, and video.

Hugging Face MCP server

Hugging Face

Connect to Hugging Face Hub and thousands of Gradio AI Applications