ace-step
Create and Edit Music with ACE Step
Music generation and repair can require separate tools and costly services. This skill routes generation, inpainting, and outpainting through ACE Step on RunComfy.
Install with my Agent
Copy this request to your Agent. It includes the canonical Skill page and manifest.
Review the Skillstore skill "ace-step" from https://skillstore.io/skills/agentspace-so-ace-step.md and its manifest at https://skillstore.io/api/skills/agentspace-so-ace-step/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.Your Agent should still show its plan and request any confirmation required by the security policy.
Agent-readable resources
Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.
Test it
Using "ace-step". Generate a 60-second lo-fi instrumental with Rhodes piano and no vocals.
Expected outcome:
A 60-second stereo lo-fi track is generated and saved in the selected output directory.
Using "ace-step". Replace seconds 20 through 40 of an indie-pop track with a piano bridge.
Expected outcome:
The selected segment is regenerated with matching tags while the request keeps the surrounding track as context.
Using "ace-step". Add a 30-second intro and a 60-second outro to a short hook.
Expected outcome:
The source receives both extensions in one outpainting request, then the result is downloaded.
Security Audit
Medium RiskAll 96 static findings are false positives caused by Markdown syntax, disclosed links, token-storage documentation, or ordinary prose. Two contextual risks remain: mutable CLI installation and intentional data transfer to a paid third-party API.
Confirmed security concerns (2)
Risk Factors
⚙️ External commands (50)
🌐 Network access (18)
📁 Filesystem access (2)
Share & cite this report
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https://skillstore.io/skills/agentspace-so-ace-step/audits/5?utm_source=security_passport&utm_medium=share&utm_campaign=versioned_reportMarkdown badge
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<a href="https://skillstore.io/skills/agentspace-so-ace-step?utm_source=security_passport_badge"><img src="https://skillstore.io/badges/skills/agentspace-so-ace-step/security.svg" alt="Skillstore security assessment" loading="lazy"></a>Embed card
<iframe src="https://skillstore.io/embed/skills/agentspace-so-ace-step.html" title="Skillstore Security Assessment" sandbox="allow-popups allow-popups-to-escape-sandbox" loading="lazy" referrerpolicy="no-referrer" width="420" height="180"></iframe>Academic citations (APA · BibTeX · CFF)
APA citation
agentspace-so. (2026). ace-step security audit report (audit version 5) [Author version unspecified]. Skillstore. https://skillstore.io/skills/agentspace-so-ace-step/audits/5BibTeX citation
@techreport{agentspace-so-agentspace-so-ace-step-2026,
author = {agentspace-so},
title = {ace-step security audit report (audit version 5)},
institution = {Skillstore},
year = {2026},
number = {5},
url = {https://skillstore.io/skills/agentspace-so-ace-step/audits/5},
note = {Author version unspecified}
}CITATION.cff
cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "ace-step security audit report (audit version 5)"
version: "unspecified"
type: report
authors:
- name: "agentspace-so"
date-released: "2026-07-23"
url: "https://skillstore.io/skills/agentspace-so-ace-step/audits/5"
identifiers:
- type: other
value: "skillstore:agentspace-so-ace-step:audit:5"
description: "Skillstore immutable audit report identifier"
Compare variants
3 installable variantsEach author remains a separate installable skill. The recommended variant is ranked by Skillstore evidence.
Why this variant is first
runcomfy-com-ace-step
2026-08-21
doany-ai-ace-step
2026-08-21
agentspace-so-ace-step
2026-08-21
Skillstore Score
Why this score Evidence Confidence: HighWhat You Can Build
Repair a recorded section
Regenerate a defined chorus or bridge while steering the replacement with matching style tags.
Build game music drafts
Generate repeatable instrumental loops with tempo, mood, instruments, duration, and fixed seeds.
Localize a campaign song
Reuse one musical direction with structured lyrics written in several supported languages.
Try These Prompts
Generate a 60-second instrumental with ACE Step. Use lo-fi hip-hop, Rhodes piano, soft drums, 75 BPM, and no vocals.
Create a 90-second Japanese pop song with ACE Step 1.5. Use Verse, Chorus, Bridge, and Outro sections with a fixed seed.
Replace seconds 20 through 40 of {audio_url}. Match the indie-pop style, use piano without drums, and save the result.Extend {audio_url} by 30 seconds before and 60 after. Preserve tempo, build the intro, fade the outro, and use seed 42.Best Practices
- Use specific tags for genre, mood, instruments, vocals, and BPM.
- Fix the seed for repeatable iterations, and use minus one for exploration.
- Confirm usage rights and accept only source URLs explicitly provided for the task.
Avoid
- Do not place the RunComfy token in prompts, logs, or versioned files.
- Do not submit unreviewed third-party audio URLs.
- Do not request durations or edit ranges beyond endpoint limits.
Frequently Asked Questions
What does this skill require?
Which endpoint should I use?
How long can generated audio be?
Does it support multilingual lyrics?
How do audio edits receive source files?
Can results be reproduced?
Developer Details
Author
agentspace-soLicense
MIT
Skillstore revision
r2
Version notice
The author did not declare a version.
Ref
181fdefcafd96b041926e61c4b2e306ca7e7820e
Maintenance freshness
7/24/2026
Usage
2 downloads · 62 views
File structure
📄 SKILL.md