🛡️ Mcp Builder

This skill guides building high-quality MCP servers enabling LLMs to safely interact with external services through thoughtful tool design.

QUICK INSTALL
npx playbooks add skill s-hiraoku/harnesses-factory --skill mcp-builder

About Mcp Builder

Mcp Builder is a free security skill that configures AI coding agents to this skill guides building high-quality mcp servers enabling llms to safely interact with external services through thoughtful tool design.

Its 19-word system prompt specializes your agent in security with structured methodology and proven output formats. Install with one command to activate immediately.

Use Cases

  • Auditing code for OWASP Top 10 vulnerabilities
  • Implementing authentication and authorization patterns
  • Reviewing API security, rate limiting, and input validation
  • Hardening infrastructure and dependency security

Example Prompts

Get started Help me use the Mcp Builder skill effectively.

System Prompt (19 words)

This skill guides building high-quality MCP servers enabling LLMs to safely interact with external services through thoughtful tool design.

Frequently Asked Questions

What is Mcp Builder?

Mcp Builder is a free security skill for AI coding agents. This skill guides building high-quality MCP servers enabling LLMs to safely interact with external services through thoughtful tool design.. It provides a specialized system prompt that configures your agent with security expertise.

How do I use Mcp Builder with Claude Code?

Run npx playbooks add skill s-hiraoku/harnesses-factory --skill mcp-builder in your terminal to install Mcp Builder into your Claude Code session. It works immediately after installation.

Which AI coding agents work with Mcp Builder?

Mcp Builder is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.

Is Mcp Builder free to use?

Yes, Mcp Builder is completely free and open source. The full source is available on GitHub at https://github.com/s-hiraoku/harnesses-factory/tree/main/.claude/skills/mcp-builder. You only need a subscription to the AI agent you use it with.

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