Coordinator mode is distinct from swarm — workers get shared scratchpads, XML task notifications, and constrained tool sets. Deep links launch Claude Code from any app via claude-cli:// URIs.
tengu_scratch. Durable cross-worker knowledge. Workers read/write without permission prompts.<task-notification> blocks in system prompt. Coordinator explains orchestration role.| Param | Max | Purpose |
|---|---|---|
q | 5,000 chars | Pre-fill prompt |
cwd | 4,096 chars | Working directory (absolute) |
repo | owner/repo | Repository slug |
Security: Unicode sanitization (blocks ASCII control chars). No truncation (rejects oversized — truncation changes meaning). Shell-escaped at point of use. Windows cmd.exe 8,191 char hard limit.