subagent/
August 12, 2026 · View on GitHub
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This family lets an agent delegate work to child agents. Multiple named providers may coexist in one context.
| Package | Role | ctx key |
|---|---|---|
subagent/ | Defines provider registration, delegation, and continuation | ctx.subagents |
subagent-inprocess/ | Provides the shared in-process run driver | — |
subagent-spawn-in-process/ | Starts a fresh in-process child | registers on ctx.subagents |
subagent-fork-in-process/ | Starts an in-process child from the parent's completed history | registers on ctx.subagents |
subagent-acp/ | Starts an out-of-process child over ACP | registers on ctx.subagents |
subagent-codex/ | Starts a real Codex app-server child | registers on ctx.subagents |
subagent-claude-code/ | Starts a real Claude Code child through the official Claude Agent SDK | registers on ctx.subagents |
subagent-dsh-sdk/ | Starts an out-of-process Harness child through the TypeScript SDK | registers on ctx.subagents |
tool-subagent/ | Exposes delegation to the model | registers on ctx.tools |
tool-subagent-control/ | Exposes child messaging and listing to the model | registers on ctx.tools |
tool-subagent-report/ | Provides the child-to-parent report channel | registers in child scopes |
See the decisions for the capability family, continuable children, and control tools.
The subsystem reference — start requests, results, live runs, the provider contract, continuable background children — is docs/subsystems/subagent.md; design rationale in the subagent capability seam, continuable background subagents, and merged subagent control service Agent Notes.