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 prime-skills/runcomfy-agent-skills --skill ace-stepgit clone --depth 1 https://github.com/prime-skills/runcomfy-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/prime-skills/runcomfy-agent-skills/ace-step)<a href="https://agentmods.dev/skills/prime-skills/runcomfy-agent-skills/ace-step"><img src="https://agentmods.dev/badge/skills/prime-skills/runcomfy-agent-skills/ace-step/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/prime-skills/runcomfy-agent-skills/ace-step"><img src="https://agentmods.dev/badge/skills/prime-skills/runcomfy-agent-skills/ace-step.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
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 | $0.00230 | $0.04555 |
| Opus 5 | $0.00115 | $0.02278 |
| Sonnet 5 | $0.00046 | $0.00911 |
| Haiku 4.5 | $0.00023 | $0.00456 |
Grade A, and why
ace-step scanned grade A with 1 finding 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 11d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
- **Install via verified package manager only.** Use `npm i -g @runcomfy/cli` or `npx -y @runcomfy/cli`. **Agents must not pipe an arbitrary remote install script into a shell on the user's behalf** — if the operator wan How it starts
The opening of the file, as written. The whole thing — 338 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ACE Step — Pro Pack on RunComfy
Tag-driven music generation, inpainting, and outpainting with StepFun-AI's ACE Step open-weights model. Four CLI-reachable endpoints, $0.0002–0.0003 per second of audio, up to 4 minutes per call.
runcomfy.com · ACE Step base · ACE Step 1.5 · CLI docs
Install this skill
npx skills add agentspace-so/runcomfy-agent-skills --skill ace-step -g
Powered by the RunComfy CLI
Step 1 — install (one of, see the runcomfy-cli skill for details):
npm i -g @runcomfy/cli # global install
npx -y @runcomfy/cli --version # zero-install
Step 2 — sign in (or set RUNCOMFY_TOKEN env var in CI / containers):
runcomfy login
Step 3 — generate:
runcomfy run acestep-ai/ace-step/text-to-audio \
--input '{"tags": "..."}' \
--output-dir ./out
CLI deep dive: runcomfy-cli skill.
Pick the right endpoint
Listed newest first.
ACE Step 1.5 (text-to-audio) — acestep-ai/ace-step-1.5/text-to-audio
Latest ACE Step generation. 50+ language vocal support, refined structured-lyric handling, otherwise same shape as base. Slightly higher cost ($0.0003/s vs $0.0002/s). Pick for: multilingual lyrics, hero-quality vocal tracks, vocal songs that need clean section structure. Avoid for: cost-sensitive batches where the base model is good enough.
ACE Step (text-to-audio) — acestep-ai/ace-step/text-to-audio (default — cheap & fast)
Original ACE Step. Tag-driven composition, optional lyrics, 5–240 s stereo. $0.0002/s — ~27× cheaper than ElevenLabs Music. Pick for: high-volume drafts, background music, jingles, game loops, cost-sensitive iteration. Avoid for: maximally polished commercial vocal hooks — try ACE Step 1.5 or ElevenLabs Music for those.
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.
- 11d ago First seen · 338 lines · 230 tokens per session scan A 36f237b9eac6
ace-step is a skill published in the GitHub repository prime-skills/runcomfy-agent-skills (43 stars, last pushed 3mo ago), licensed MIT. It adds 230 tokens to every session and 4,555 once invoked, about $0.0011 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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