đŸ› ïž Free MCP Tools for Developers

49 specialized AI tools across 9 MCP servers. Zero setup — paste a URL and connect.

Works with Claude Code, Cursor, Windsurf, Cline, and any MCP-compatible client.

Free: 1,000 calls/month Pro: 50,000 calls/month — $29/mo
🔧

JSON Toolkit

Format, validate, diff, query, transform, schema

6 free tools
🔍

Regex Engine

Test, explain, build from English, replace, extract

5 free tools
🎹

Color Palette

Harmonies, WCAG contrast, CSS gradients, Tailwind

5 free tools
⏰

Timestamp Converter

Unix/ISO convert, timezone, cron parse, duration

5 free tools
🔼

Fortune & Tarot

Daily horoscope, zodiac rankings, tarot readings

3 free tools

Quick Start — Connect All 9 Servers

Add to your MCP client config:

{
  "json-toolkit": { "type": "streamable-http", "url": "https://json-toolkit-mcp.yagami8095.workers.dev/mcp" },
  "regex-engine": { "type": "streamable-http", "url": "https://regex-engine-mcp.yagami8095.workers.dev/mcp" },
  "color-palette": { "type": "streamable-http", "url": "https://color-palette-mcp.yagami8095.workers.dev/mcp" },
  "timestamp": { "type": "streamable-http", "url": "https://timestamp-converter-mcp.yagami8095.workers.dev/mcp" },
  "fortune": { "type": "streamable-http", "url": "https://openclaw-fortune-mcp.yagami8095.workers.dev/mcp" }
}

Need more tools and higher limits?

Get Pro — $29/mo (all 9 servers, 50K calls)