Claude Code Persistent Sub-Agents: Resume + Nest
Key Questions
What are persistent sub-agents in Claude Code?
Claude Code sub-agents now support resumable persistent agents via SendMessage with 5-level nesting. This enables advanced orchestration for always-on workflows.
What gotchas exist with Claude Code sub-agents?
Users must set an environment flag and watch for compaction caveats. The article provides verified mechanics, version timelines, and actionable details for hobbyists.
How does this advance persistent agent workflows?
The resumable and nested capabilities represent a major practical advancement. They directly support building reliable, long-running agent systems.
Claude Code sub-agents now support resumable persistent agents via SendMessage, with 5-level nesting. This is a major practical advancement for persistent agent workflows—exactly the kind of orchestration innovation tracked. The article provides verified mechanics, version timeline, and gotchas (env flag, compaction caveat). Directly actionable for hobbyists building always-on agents.