regex mcp for Claude Code

io.github.mrfentmen/regex-mcp

Test, describe, and validate regular expressions locally. No network and no key.

client:Claude Code transport:stdio runtime:npm

Install regex mcp in Claude Code

run in your project directory

claude mcp add regex-mcp -- npx -y @mrfentmen/regex-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs