@GitHub in Slack and Microsoft Teams can now answer across multiple repositories in one thread—open PRs, weekly merges, cross-frontend/backend investigations—plus use shared Slack thread context without copy-paste.
Anthropic’s Claude Code team documents a layered review stack—pre-PR verify, AI review + security block, risk-tiered human approvals, merge queue/flags, and fast rollback—so most agent PRs merge with ≤1 human while revert rate fell >40% as volume doubled.
Merlin dispatches team asks from Slack/Linear/GitHub to Claude Code or Codex already signed in on teammates’ machines—reuse local repos, MCP servers, and skills with no extra model API bill; results return in the same thread, with shared skills, schedules, and workspace memory.