nextr4y

nextr4y is a reconnaissance tool developed in Golang that analyzes Next.js applications to extract critical information such as build IDs, version fingerprints, asset catalogs, and route mappings. Its primary use case includes security assessments, debugging, and reverse engineering of Next.js sites, and it features capabilities like an MCP server mode for remote scanning, customizable output formats, and anti-bot evasion techniques. The tool is designed for performance and reliability, catering to cybersecurity professionals and web application researchers.