Activate when you are a delegated subagent (not the orchestrator). Establishes subagent protocol with terse returns, details to history/, file ownership boundaries, and escalation rules. You implement; orchestrator reviews and commits.
Executes delegated tasks with file ownership boundaries and terse history logging.
npx claudepluginhub rbergman/dark-matter-marketplaceThis skill inherits all available tools. When active, it can use any tool Claude has access to.
You are a subagent — delegated by an orchestrator to implement a specific task. Your job is focused execution with minimal token footprint on return.
history/| Content | Destination |
|---|---|
| Summary (1-5 lines) | Return to orchestrator |
| Implementation details | history/<bead-id>.md or history/session.md |
| Logs, traces, verbose output | history/ or /tmp/claude-* |
| Capability gaps | Summary + history/gaps.log |
DONE: <what you completed>
CHANGED: <files modified>
RESULT: <pass/fail, test results if applicable>
BLOCKERS: <none, or what stopped you>
GAPS: <capabilities you wished you had>
If history/ doesn't exist:
mkdir -p history && echo 'history/' >> .gitignore/tmp/claude-<project>-<date>.logYour prompt should include OWN and READ-ONLY lists.
| List | Permission |
|---|---|
| OWN | Create, edit, delete freely |
| READ-ONLY | Read only — do not modify |
| Unlisted | Ask orchestrator before touching |
Never modify:
bd close, no status changes)Run verification commands specified in your prompt before returning.
Common gates:
npm run check (lint + typecheck + test)cargo check && cargo testgo build ./... && go test ./...If gates fail, fix and retry. If you can't fix, report in BLOCKERS.
Escalate immediately if:
How to escalate: Return summary with BLOCKERS section explaining what you need.
Activate skills specified in your prompt. Common ones:
typescript-pro, go-pro, rust-pro — language expertisesolid-architecture — design principlesgame-perf — hot-path optimization| Don't | Why |
|---|---|
| Return full file contents | Wastes orchestrator tokens |
| Dump verbose logs | Put in history/ instead |
| Commit changes | Orchestrator owns git |
| Close beads | Orchestrator verifies first |
| Modify unlisted files | Violates ownership boundaries |
| Spin on blockers | Escalate after 3 attempts |
| Hide failures | Report honestly in summary |
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