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

Anthropic

anthropics/skills (Apache-2.0)

OpenAI

OpenAI Cookbook (MIT-derived)

Iliaal

iliaal community registry

Orchestra

training-orchestra · HuggingFace

skills.sh

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

Letta

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

install · 30 seconds

Get all 127 Oskis into your agent

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

Copy your MCP token

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

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.

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

browse oskis

0 Community Oskis

attribution required · no paywall

All Sources127 Anthropic13 OpenAI14 Letta30 Iliaal20 Orchestra20 skills.sh30 Community0

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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 →