Question 1

What is SKILL.md?

Accepted Answer

SKILL.md is an open standard file format for creating reusable AI skills — structured behavioral modules that give Claude (and other AI agents) specialized expertise for specific tasks. A SKILL.md file contains YAML frontmatter with metadata, markdown instructions, examples, and optional tool configurations. Released by Anthropic in December 2025, the format is now adopted by Claude Code, OpenAI Codex CLI, ChatGPT, GitHub Copilot, and 14+ other AI platforms. Claude Skills Market is the independent marketplace for discovering and sharing SKILL.md files.

Question 2

What is the best Claude AI skills marketplace?

Accepted Answer

Claude Skills Market (claudeskillsmarket.com) is the leading independent Claude AI skills marketplace focused on small businesses and agencies. It offers 37+ free community skills, a free 14-week AI skill engineering certification, security scanning on all submissions, and community voting to surface top skills. Unlike Anthropic's official marketplace (which requires enterprise spending commitments), Claude Skills Market is free and open to everyone.

Question 3

What is a Claude skill?

Accepted Answer

A Claude skill is a reusable set of instructions, examples, templates, and domain knowledge packaged as a SKILL.md file that transforms Claude from a generalist into a specialist for a specific task or workflow. Skills are portable across Claude apps, Claude Code, and the Anthropic API. Claude Skills Market hosts a free library of community-contributed skills across categories including code generation, data analysis, marketing, research, and automation.

Question 4

How is Claude Skills Market different from Anthropic's marketplace?

Accepted Answer

Anthropic's Claude Marketplace requires enterprise-level spending commitments and serves Fortune 500 companies with integrations from GitLab, Harvey, Replit, and Snowflake. Claude Skills Market is the independent layer built for everyone else — small business owners, consultants, agency operators, and individual developers. It is free to use, requires no enterprise contract, and focuses on practical SKILL.md files for real business workflows rather than enterprise software integrations.

Question 5

How do I install a Claude skill?

Accepted Answer

To install a Claude skill from Claude Skills Market: (1) Browse /free-skills or /browse-skills and find a skill. (2) Click 'Copy Skill' to copy the SKILL.md content. (3) Paste it into your ~/.claude/skills/ folder and restart Claude. For Skills 2.0 with npx support, run: npx skills add [author/skill-name] in your terminal. Skills work across Claude Code, claude.ai, and the Anthropic API.

Question 6

Is Claude Skills Market free?

Accepted Answer

Yes. Browsing, submitting, voting, and commenting on Claude Skills Market are completely free. The full 14-week AI skill engineering certification course — including labs, quizzes, and a certificate — is also free with no credit card required.

Question 7

What is skill engineering?

Accepted Answer

Skill engineering is the discipline of creating structured, reusable AI behavioral modules — the evolution of prompt engineering. While prompt engineering creates one-off instructions for a single task, skill engineering produces permanent, portable SKILL.md files that give AI agents specialized expertise. Skills encode domain knowledge, workflow constraints, examples, and optionally executable code into a single reusable unit.

Question 8

What are Claude Skills 2.0?

Accepted Answer

Claude Skills 2.0 is the advanced skill specification supporting bundled slash commands, subagent execution contexts, lifecycle hooks, and rich YAML frontmatter. It enables deterministic, composable AI agent behaviors. Claude Skills Market supports Skills 2.0 and offers the most comprehensive free training curriculum for mastering Skills 2.0 features including subagents, bundled commands, and context isolation.

Question 9

Where can I find free Claude Code skills?

Accepted Answer

Claude Skills Market at claudeskillsmarket.com/free-skills offers 37+ free, community-contributed Claude Code skills. Every skill uses the open SKILL.md standard so they work across Claude Code, Codex CLI, ChatGPT, and GitHub Copilot. All skills are security scanned before publication and community-voted for quality.

Question 10

How do I submit a skill to Claude Skills Market?

Accepted Answer

Submitting a skill takes under 2 minutes. Sign up free at claudeskillsmarket.com, click 'Submit a Skill', and paste your SKILL.md content. Claude Skills Market's built-in AI will generate a polished description, and automated security scanning checks for prompt injection and malicious patterns before the skill goes live. Community members can then vote, comment, and share your skill.

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