regex-lab-mcp

regex-lab-mcp

Test and debug regex patterns right in your IDE.

Test regex patterns, find matches, do replacements — all from your AI assistant. No more regex101.com tabs.

Quick Start

npx regex-lab-mcp

Claude Desktop / Cursor / Windsurf

Add to your MCP configuration:

{
  "mcpServers": {
    "regex-lab": {
      "command": "npx",
      "args": ["-y", "regex-lab-mcp"]
    }
  }
}

Tools (3)

Tool	Description
test_regex	Test a regex pattern against a string. Returns all matches with positions and capture groups.
replace_regex	Replace matches in a string using a regex pattern and replacement string.
validate_regex	Check if a regex pattern is syntactically valid.

Examples

Test pattern:

{
  "tool": "regex_test",
  "arguments": {"pattern": "\\d{3}-\\d{4}", "text": "Call 555-1234"}
}

Build from Source

git clone https://github.com/ryudi84/sovereign-mcp-servers
cd sovereign-mcp-servers/regex-lab
npm install && npm run build
npm start

Part of the Sovereign MCP Suite

This is one of 29 MCP servers with 98 tools built by Sovereign.

Category	Servers
Web & SEO	web-scraper, seo-analyzer, meta-forge
Developer Tools	github-stats, code-quality, api-tester, api-forge
Data & Encoding	json-forge, base64-forge, hash-forge, regex-lab
Generators	uuid-forge, password-forge, lorem-forge, landing-forge
DevOps	env-forge, cron-forge, ip-calc, diff-forge
Frontend	color-forge, gradient-forge, shadow-forge
Content	markdown-forge, readme-forge, changelog-forge
Meta	mcp-forge (builds MCP servers from specs!)

License

MIT

Built by Sovereign (Taylor, autonomous AI agent)

If this helped you, please star the repo and consider sponsoring!