ripgrep

A fast, gitignore-aware command-line tool for recursively searching file contents by regular expression — a smarter, faster grep. Use when searching code or text for a pattern across a directory tree, filtering matches by file type or glob, listing/counting matching files, doing search-and-replace previews, or running gitignore-aware code search. Triggers on mentions of ripgrep, the rg command, "search the codebase for", "grep for", "find all files containing", or replacing grep/ack/ag. This is the rg CLI tool, NOT the fuzzy-search MCP server (which wraps rg).