diff

Compare 2-5 directories and see which files are unique, missing, or shared. Fast, colorful CLI for Node, Bun, and Deno.

Review your coding agent's diff in a terminal pane and send line comments back to Claude Code, Codex, OpenCode or Pi. A herdr plugin.

Review code changes by what they do, not line by line.

Semantic diff for JSON, YAML, CSV, TOML and XML that plugs into git diff. Ignores key order and formatting, matches arrays by key, and reports changes as data paths: spec.replicas: 3 → 5