Rexact

io.github.Nicolasmar91/rexact-mcp

Verify, explain and audit regexes (ReDoS, engine compatibility) offline.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "rexact-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "rexact-mcp@0.1.2"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>"
      }
    }
  }
}
Environment variables
  • ANTHROPIC_API_KEYsecretOptional. Only needed by the generate_regex tool; the four other tools work offline without it.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.2
Registry
active
Published
10/15/2026

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