Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add ethanolivertroy/my-agent-stuff --skill pi-subagentsgit clone --depth 1 https://github.com/ethanolivertroy/my-agent-stuffWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/ethanolivertroy/my-agent-stuff/pi-subagents)<a href="https://agentmods.dev/skills/ethanolivertroy/my-agent-stuff/pi-subagents"><img src="https://agentmods.dev/badge/skills/ethanolivertroy/my-agent-stuff/pi-subagents.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00068 | $0.10019 |
| Opus 5 | $0.00034 | $0.05010 |
| Sonnet 5 | $0.00014 | $0.02004 |
| Haiku 4.5 | $0.00007 | $0.01002 |
Grade A, and why
pi-subagents scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 778 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Pi Subagents
This skill is for the main parent orchestrator only. Do not inject or follow it inside spawned child subagents. The parent session owns delegation, orchestration, review fanout, and final fix-worker launches; child subagents should receive concrete role-specific tasks and should not run their own subagent workflows.
Use this skill when the parent orchestrator needs to launch a specialized subagent, compose multiple agents into a workflow, or create/edit agents and chains on demand.
When to Use
- Advisory review: use fresh-context
revieweragents for adversarial code review, or fork tooraclewhen inherited decisions and drift matter - Implementation handoff: have
oracleadvise, thenworkerimplement only after an approved direction - Recon and planning: use
scoutorcontext-builder, thenplanner - Parallel exploration: run multiple non-conflicting tasks concurrently
- Long-running work: launch async/background runs and inspect them later
- Subagent control: watch needs-attention signals and soft-interrupt only when a delegated run is genuinely blocked
- Agent authoring: create, update, or override agents and chains for a project
Tool vs Slash Commands
Agents can use the subagent(...) tool directly for execution, management, status, and control.
Humans often use the slash-command layer instead:
/run— launch a single agent/chain— launch a chain of steps/parallel— launch top-level parallel tasks/run-chain— launch a saved.chain.mdworkflow/subagents-doctor— diagnose setup, discovery, async paths, and intercom bridge state
Prefer the tool when you are writing agent logic. Prefer the slash commands when you are guiding a human through an interactive flow.
Packaged prompt shortcuts are also available for repeatable workflows. Treat them as reusable orchestration recipes, not just human slash commands. When the user asks for one of these shapes, or when the workflow clearly fits, apply the same pattern directly with subagent(...) and other tools:
/parallel-review— fresh-context reviewers with distinct review angles, then synthesis/review-loop— parent-orchestrated worker, fresh-reviewer, and fix-worker cycles until clean or capped/parallel-research— combineresearcherandscoutfor external evidence plus local code context/parallel-context-build— parallelcontext-builderpasses that produce planning handoff context and meta-prompts/parallel-handoff-plan— external-reference research plus localcontext-builderpasses, followed by a synthesis handoff plan and implementation-ready meta-prompt/gather-context-and-clarify— scout/research first, then ask the user clarifying questions withinterview/parallel-cleanup— two fresh-context reviewers (deslop + verbosity passes) for an adversarial cleanup review of the current diff
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 778 lines · 68 tokens per session scan A 07f10d115a50
pi-subagents is a skill published in the GitHub repository ethanolivertroy/my-agent-stuff (11 stars, last pushed 2mo ago), licensed MIT. It adds 68 tokens to every session and 10,019 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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