deepseek-harness/packages/subagent

subagent/ — subagent capability family

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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

The Codex and Claude Code packages are independent optional Profile Bundles. Install either or both with dsh plugin --profile <name> add @deepseek-ai/dsh-subagent-codex @deepseek-ai/dsh-subagent-claude-code, then restart that Profile; each package registers only its dormant Host provider. To grant a tool, copy a complete Agent Preset, remove disabled from each matching tool row, and start a new Session. Removing one package withdraws only that provider and its private runtime closure on the next Profile start.

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.