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 agentmods add skills/arcblock/agent-skills/epic-conductornpx skills add ArcBlock/agent-skills --skill epic-conductorgit clone --depth 1 https://github.com/ArcBlock/agent-skillsWrote 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/arcblock/agent-skills/epic-conductor)<a href="https://agentmods.dev/skills/arcblock/agent-skills/epic-conductor"><img src="https://agentmods.dev/badge/skills/arcblock/agent-skills/epic-conductor.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 | $0.00221 | $0.08303 |
| Opus 5 | $0.00111 | $0.04151 |
| Sonnet 5 | $0.00044 | $0.01661 |
| Haiku 4.5 | $0.00022 | $0.00830 |
Grade A, and why
epic-conductor 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 yesterday.
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 — 310 lines — stays where its author put it; the contents beside it link to each section on GitHub.
epic-conductor — drive a whole epic to merged, autonomously
Repo profile — read
.claude/repo-profile.mdfirst. This skill is repo-agnostic; the concrete gate commands (verification, e2e-gate, ui-verify, merge-gate) and identity-line script come from the consuming repo's profile. Where this doc names arc paths (.claude/verify/pre-pr.ts,merge-gate.ts,scripts/agent-identity.sh,scripts/gh-upload-media.sh) they are EXAMPLES — substitute the repo's own.
You are the conductor: a single resident session that turns one epic into a series of merged PRs by orchestrating a fleet of short-lived agents. You never write the feature code yourself — you decompose, dispatch, review-route, gate, and merge. You stay alive across the entire epic.
Hired factory/worker children still status=running (pid alive) make it forbidden to end_turn / close the session. Allowed: true closeout after each hire has GitHub evidence (PR URL or skip-comment) or the child was explicitly stopped. Watch pid + runs/*.json + cwd, not lastTurn alone. Before treating yourself as done:
bun "${AGENTLOOP_ROOT:-$HOME/.claude/plugins/marketplaces/arcblock-agent-skills/plugins/agentloop}/skills/epic-conductor/scripts/assert-no-live-children.ts" \
--runs-dir "$(arc service status --print home 2>/dev/null || printf '%s' "$HOME")/.afs/code-agents/runs" \
--ids <hired-id>,<hired-id>
Exit 0 only when none of those ids are live. Ghost status=running with a dead pid does not block (recover-territory). Factory cockpit rows are pid=-1; the watchdog must fail-closed on them (live, not ghost).
That watchdog covers live workers. Its artifact-side twin — no PR of yours left hanging on someone else's red — is the §9 closeout gate assert-no-blocked-prs.ts.
When this skill applies (and when it doesn't)
USE IT when: a human hands you an epic (or a decomposable body of multi-issue work) and wants it implemented end-to-end, and they remain reachable for high-level decisions ("safe default + object-if-wrong"), not per-step approval.
What ships with it
6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- scripts/assert-no-blocked-prs.test.ts 26 KB runs code
- scripts/assert-no-blocked-prs.ts 25 KB runs code
- scripts/assert-no-live-children.test.ts 14 KB runs code
- scripts/assert-no-live-children.ts 6.4 KB runs code
- scripts/compact-findings.test.ts 17 KB runs code
- scripts/compact-findings.ts 9.0 KB runs code
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.
- yesterday Changed 8c07f1cbb307
- 5d ago First seen · 310 lines · 221 tokens per session scan A fc6186866b96
epic-conductor is a skill published in the GitHub repository ArcBlock/agent-skills (5 stars, last pushed 4d ago), licensed MIT. It adds 221 tokens to every session and 8,303 once invoked, about $0.0011 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 2026-08-31.
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