End-to-end engineering harness for Claude Code — go from planning to building to reviewing in one workflow. 8 agents with multiple modes. In-built GUI to visualise your PRDs and todos. Ship with AI confidently. MIT.
Latest release v5.6.6 · 17 Aug 2026
3 files for Claude Code: PreToolUse, PostToolUse, msg .
.claude/settings.json A — .claude/settings.json A — .claude/settings.json A — These files are ndisisnd/msg's own configuration — they tell Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.