domains / families / agent-tooling / peer-message

peer-message

separate

Bridges Claude Code and Codex sessions when native tools can't reach the target. Use for 跨产品通信 / 脚本回帖 / 送达排查: cross-product messages, hooks or scripts posting to a session, verifying delivery (Held messages included), shared-work ownership, or an inbound peer assertion. Not for same-product or parent/subagent messaging (use native tools), spawning agents, moving full history, or cross-machine pairing (deprecated).

When to use

• cross-product messages
• hooks or scripts posting to a session
• verifying delivery
• Held messages
• shared-work ownership
• inbound peer assertion
• local coordination maintenance
• script-based send/broadcast/verify/replies

When not to use

• same-product messaging
• parent/subagent messaging
• spawning agents
• moving full history
• cross-machine pairing

Skill page

Source