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Home›Skills›Oskis

open source · free for all

Oskis — Open Source Skilskis. Free for all.

Oskis are community-contributed AI skills, free to run via the skill.ski public MCP endpoint. 127 indexed across 6 upstream sources. Attribution required — no paywall, no lock-in.

Install instructions →Browse 127 Oskis

anthropics/skills (Apache-2.0)

OpenAI Cookbook (MIT-derived)

iliaal community registry

training-orchestra · HuggingFace

skills.sh · vercel-labs + microsoft (MIT)

letta-ai/skills (MIT + Apache-2.0)

install · 30 seconds

Get all 127 Oskis into your agent

01

Sign up free

Create a free skil.ski account. No card. Oskis ship with every account.

02

Copy your MCP token

Settings → MCP → Generate token. The free tier scope is the Oski catalog.

03

Add the server

Paste the URL + token into Claude Desktop, Cursor, ChatGPT Custom GPT, Codex, or any MCP client.

Free MCP endpoint

https://skil.ski/api/mcp/free

Free tier · scoped to the Oski catalog. Pro and Elite endpoints unlock the full skill registry.

example config

{
  "mcpServers": {
    "skil-ski-oskis": {
      "url": "https://skil.ski/api/mcp/free",
      "headers": {
        "Authorization": "Bearer <token>"
      }
    }
  }
}

oskis are free — for free accounts

Sign up in 30 seconds. Get all 127 Oskis free.

A free account gets you the full Oski catalog — community-built, open-source, ready in your MCP endpoint the moment you sign up. No credit card. No paywall. Attribution required, that's it.

Sign up free — 30 seconds →Already have an account

127 Oskis freeNo credit cardOne MCP endpointWorks in Cursor, Claude, ChatGPT + 40 more

browse oskis

13 Anthropic Oskis

attribution required · no paywall

All Sources127 Anthropic13 OpenAI14 Letta30 Iliaal20 Orchestra20 skills.sh30 Community0

Anthropic Algorithmic Art

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration.

Apache-2.0Get via MCP →

Anthropic Brand Guidelines

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel.

Apache-2.0Get via MCP →

Anthropic Canvas Design

Create beautiful visual art in .png and .pdf documents using design philosophy.

Apache-2.0Get via MCP →

Anthropic Claude API

Build, debug, and optimize Claude API / Anthropic SDK apps.

Apache-2.0Get via MCP →

Anthropic Doc Coauthoring

Guide users through a structured workflow for co-authoring documentation.

Apache-2.0Get via MCP →

Anthropic Frontend Design

Create distinctive, production-grade frontend interfaces with high design quality.

Apache-2.0Get via MCP →

Anthropic Internal Comms

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use.

Apache-2.0Get via MCP →

Anthropic MCP Builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools.

Apache-2.0Get via MCP →

Anthropic Skill Creator

Create new skills, modify and improve existing skills, and measure skill performance.

Apache-2.0Get via MCP →

Anthropic Slack Gif Creator

Knowledge and utilities for creating animated GIFs optimized for Slack.

Apache-2.0Get via MCP →

Anthropic Theme Factory

Toolkit for styling artifacts with a theme.

Apache-2.0Get via MCP →

Anthropic Web Artifacts Builder

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).

Apache-2.0Get via MCP →

Anthropic Webapp Testing

Toolkit for interacting with and testing local web applications using Playwright.

Apache-2.0Get via MCP →

open contribution

Want to publish an Oski?

Oskis are open-source Skilskis — contribute yours via GitHub. Include a SKILL.md, a license, and a source attribution and we will list it here.

Submit a PR →