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Everything you need to know about using, creating, and submitting Claude AI skills.

What are Skills?

Skills are reusable system prompts that transform Claude into a specialized assistant for a specific task. Think of each skill as a "job description" you hand to Claude at the start of a conversation — it defines the role, tone, output format, and constraints.

Instead of typing long instructions every time, you download a skill file (.md), paste it as Claude's system prompt, and instantly have a focused expert assistant.

How to Use a Skill

01

Browse the library

Go to the Skills page and filter by category or search for what you need.

02

Download the skill

Click the Download button on any skill page to save the .md file to your device.

03

Open Claude

Go to claude.ai and create a new Project, or open a new conversation.

04

Paste as system prompt

In your Project settings, paste the skill content into the "Custom instructions" field. For a regular chat, paste it at the start of your first message.

05

Start chatting

Claude will now behave as the specialist defined in the skill. Give it your task and iterate.

Writing Your Own Skills

Great skills follow a consistent structure:

**1. Role definition** — Start with a clear persona: "You are a professional copywriter specializing in B2B SaaS."

**2. Output format** — Specify exactly what Claude should return: bullet points, word count, JSON, markdown, etc.

**3. Constraints** — Tell Claude what NOT to do: "Never add disclaimers", "Always respond in the user's language", "Keep responses under 200 words."

**4. Examples** — Include 1–3 examples of ideal input/output pairs. This is the single biggest quality lever.

Once you have a working skill, submit it to the library so the community can benefit.

Submitting a Skill

Anyone can submit a skill to the library. All submissions are reviewed by the TrySkill team before publishing.

Requirements:

  • The skill must produce consistent, high-quality output
  • It must be original (not a copy of an existing skill)
  • The content must be safe and appropriate for all audiences
  • You agree to release it under CC0 (public domain)

    • Go to the Submit page to contribute your skill.

    Submit a Skill →

    FAQ

    Are skills free?

    Yes. Every skill in the library is free to download and use, forever. We're a community project.

    Which Claude models work with skills?

    Skills work with all Claude models (Haiku, Sonnet, Opus). More capable models produce better results with complex skills.

    Can I use skills in the Claude API?

    Absolutely. Paste the skill content as the `system` parameter in your API request.

    Can I modify a downloaded skill?

    Yes. Skills are released under CC0 — you're free to edit, remix, and use them commercially without attribution.

    How do I report a bad skill?

    Use the Contact page to report any skill that violates our guidelines.