Skills/ClawHub/ace-step

ace-step@1.0.0

VERIFIED· install only

Publisher claims: "Generate, inpaint, and outpaint music with ACE Step on RunComfy via the `runcomfy` CLI. ACE Step is StepFun-AI's open-weights music foundation model — tag-driven composition (genre, mood, instruments), multilingual lyrics with section markers, 5 s to 4 min stereo output, $0.0002–0.0003 per second (≈ 27× cheaper than ElevenLabs Music). Four endpoints: ACE Step text-to-audio (the default), ACE Step 1.5 text-to-audio (50+ language lyrics, refined structured-lyric handling), ACE Step audio-inpaint (regenerate a time range inside an existing track), ACE Step audio-outpaint (extend an existing track before or after). Triggers on "ace step", "ace-step", "acestep", "ACE music", "open music model", "cheap AI music", "inpaint audio", "audio inpaint", "extend music", "audio outpaint", "lengthen track", "music with tags", or any explicit ask to generate or edit music with ACE Step." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry ClawHubPublisher permew · publishing for 107 daysInstalls 652Last detonated 4 h ago
$clawhub install ace-step
WatchReport an issue

Coverage

Nothing executable in the bundle ran; the trace covers the install step only.
Tested
every file read, file written and host contacted by what ran
Not tested
use of the skill by an agent

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario; nothing executable in the bundle ran; the trace covers the install step only) on 2026-11-10 and scored it 91/100 (Verified). In what ran, nothing we could detect went wrong: no undeclared network egress, no credential reads, no persistent instruction writes. What it does with a real credential was not observed; the static findings and the publisher carry the rest of the score. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 1 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.0sprocessscript backend runs setup only
0.0sprocessscript backend runs setup only
0.0sprocessno install scripts to re-run

Static findings

CRITICAL
Prompt injection attemptSKILL.md:93 · Prompt injection attempt — model control tokens| `lyrics` | string | no | — | Vocal content. Use section markers `[Verse]`, `[Chorus]`, `[Bridge]`. Use `[inst]` or `[instrumental]` for no vocals |Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST01
MEDIUM
npx invocation of non-well-known packageSKILL.md:43 · npx invocation of non-well-known package — may execute untrusted codenpx -y @runcomfy/cli --version # zero-installFix: Pin versions and sources; vendor anything fetched at install time.
AST06
CRITICAL
Prompt injection attemptSKILL.md:130 · Prompt injection attempt — model control tokens- **Instrumental shortcut**: `"lyrics": "[inst]"` or `"[instrumental]"`. Belt-and-suspenders: also say "no vocals" in tags.Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST01
CRITICAL
Prompt injection attemptSKILL.md:168 · Prompt injection attempt — model control tokens"lyrics": "[inst]"Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST01
MEDIUM
npx invocation of non-well-known packageSKILL.md:316 · npx invocation of non-well-known package — may execute untrusted code…**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 …Fix: Pin versions and sources; vendor anything fetched at install time.
AST06
CRITICAL
Prompt injection attemptSKILL.md:107 · Prompt injection attempt — model control tokens"lyrics": "[inst]",Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST01
CRITICAL
Prompt injection attemptSKILL.md:152 · Prompt injection attempt — model control tokens| `lyrics` | string | no | — | Lyrics for the regenerated segment. Blank = model writes; `[inst]` = no vocals |Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST01

Cost to the agent

Instructions loaded
≈4,005 tok
1 file · 2 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

Vulnerability advisories (OSV) cover npm and PyPI packages; this registry has no advisory database.