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Claude Code Marketplaces

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Built for the Claude Code community with Claude Code by mertbuilds.com

Independent project, not affiliated with Anthropic
vudovn avatar

Mcp Builder

vudovn/antigravity-kit
159 installs7.6k stars
Summary

This is a comprehensive reference for building MCP servers, covering everything from basic architecture to tool design patterns and security practices. Use it when you're implementing MCP tools or resources and need quick answers on schemas, error handling, or transport types. It's dense with tables and checklists, so it works best as a lookup guide rather than a tutorial. The practical bits on tool naming, input validation, and the current spec features (tool annotations, outputSchema) are immediately actionable. If you're wiring up Claude to external systems via MCP, keep this one loaded.

Install to Claude Code

npx -y skills add vudovn/antigravity-kit --skill mcp-builder --agent claude-code

Installs into .claude/skills of the current project.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Lid closed, agents working
Lid closed, agents working
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →
Block distraction from your iPhone for freeBlock distraction from your iPhone for free
Block distraction from your iPhone for free
Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →
Granola, the best AI meeting recorder
Granola, the best AI meeting recorder
Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Open Steps
Open Steps
Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Lid closed, agents working
Lid closed, agents working
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →
Block distraction from your iPhone for freeBlock distraction from your iPhone for free
Block distraction from your iPhone for free
Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →
Granola, the best AI meeting recorder
Granola, the best AI meeting recorder
Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Open Steps
Open Steps
Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
Files
SKILL.md

Select a file.

Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Lid closed, agents working
Lid closed, agents working
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →
Block distraction from your iPhone for freeBlock distraction from your iPhone for free
Block distraction from your iPhone for free
Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →
Granola, the best AI meeting recorder
Granola, the best AI meeting recorder
Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Open Steps
Open Steps
Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
Categories
AI & Agent Building
First SeenJun 3, 2026
View on GitHub

More from vudovn/antigravity-kit

All 30 skills →
  • Intelligent Routing157
  • Architecture143
  • Game Development141
  • Database Design139
  • Nodejs Best Practices138
  • Testing Patterns138
  • Brainstorming137
  • Api Patterns131
  • App Builder128
  • Vulnerability Scanner127
  • Deployment Procedures126
  • Tailwind Patterns126
  • Powershell Windows123
  • I18n Localization122
  • Parallel Agents122
  • Plan Writing121
  • Python Patterns119
  • Red Team Tactics119
  • Performance Profiling118
  • Bash Linux116
  • Behavioral Modes115
  • Documentation Templates115
  • Seo Fundamentals115
  • Frontend Design320

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