BF whisper-transcriber
Offline speech-to-text (ASR) using whisper.cpp (whisper-cli) + ffmpeg. Supports batch transcription, timestamps, SRT/TXT/JSON outputs, and model download. Cross-platform: macOS/Linux; Windows via WSL2 (recommended).
As a process F 35/100 · Will not run — References files that are not bundled: scripts/install.ps1, assets/models/
How to improve
- Say in the description WHEN to use the skill ("use when…", example requests): that is the agent's main cue.
- The text references files that are not there: add them or drop the references.
For the model run — optional
- Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
- A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.
Guard findings · 1
✓ No critical or high findings
Medium and low: 1
-
low Dangerous commands
cmd-execpolicy-bypassscripts/install.sh:120Runs PowerShell with execution policy bypassed (detector / deny-list definition)err "Detected Windows shell. Please run: powershell -ExecutionPolicy Bypass -File '$SKILL_DIR/scripts/install.ps1'"
detector
Files scanned: 11. Evidence is masked. Grey chips explain why severity was lowered.
Against the Agent Skills spec
- warning
description-no-whendescription does not say WHEN to use the skill (no "use when") - warning
missing-refreference to a missing file: scripts/install.ps1 - warning
missing-refreference to a missing file: assets/models/
Process rating: all ten parameters 35/100
Will not run. References files that are not bundled: scripts/install.ps1, assets/models/
- 0Tools and files. 2 referenced file(s) missing: scripts/install.ps1, assets/models/
- 0Result and completion. Does not say what the result is
- 0Inputs and preconditions. Does not say what the process needs to start
- 0Failures and branches. Linear process with no failure handling
- 0Progress reporting. Says nothing while it works
- 20When it triggers. No condition that starts the skill
- 100Steps. 15 steps
- 100Consistency. Name and required fields are in place
- 100Execution cost. Instruction body is 326 tokens
- 100Running it twice. No mutating operations
Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.
Quality signals
- +5Description has no quoted example phrases that should trigger the skill
- +4Description does not say when NOT to use the skill (false activations)
- +3Output format is not stated: the model decides each time
- -42 reference files, but SKILL.md never points to them: the model will not open them
- -31 of 3 scripts are never mentioned in SKILL.md
- +1No license
- +2Single-language instructions
- +3Description length 215: enough signal without eating the budget
- +4Structure: 5 headings
- +3Step-by-step instructions: 15 items
- +4Has examples (4 code blocks)
Quality base 70; lint remarks subtract, signals add up to 100. Result: 56.
External checks
ClawHub: clean
This is a coherent local speech-to-text skill; its main risks are disclosed model downloads, local package installation, and handling sensitive audio transcripts.
LLM: benign (high) · VirusTotal: · 29 May 2026