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Skillv1.0.0

ClawScan security

Segment Anything · ClawHub's context-aware review of the artifact, metadata, and declared behavior.

Scanner verdict

BenignMar 14, 2026, 12:50 PM
Verdict
Benign
Confidence
high
Model
gpt-5-mini
Summary
This skill is internally consistent with its description: it runs a SAM-based segmentation script, installs the expected Python packages (and the segment_anything repo) and downloads official SAM checkpoints; it does not request unrelated credentials or access.
Guidance
This skill appears to be what it claims, but it will: (1) auto-install the segment_anything package from GitHub at runtime, and (2) download large model checkpoints (~375MB–2.5GB) to ~/.cache/sam. Before installing, ensure you have sufficient disk space and bandwidth and that you trust pulling code from the segment-anything GitHub repo. If you prefer tighter control, pre-install the dependencies and provide a local checkpoint via --checkpoint to avoid runtime pip installs and downloads. Run in an environment where large native packages (torch) are supported (and consider GPU/CUDA compatibility) or in an isolated sandbox if you want to limit risk.

Review Dimensions

Purpose & Capability
okThe name/description (SAM background removal) matches the code and declared dependencies: python3, pillow, numpy, torch, torchvision, and the segment_anything package. The script implements segmentation and saving transparent PNGs as advertised.
Instruction Scope
okSKILL.md simply instructs running scripts/segment.py and documents parameters. The runtime behavior (auto-installing segment_anything via pip and auto-downloading model checkpoints to ~/.cache/sam) is clearly described. The instructions do not read unrelated files, environment variables, or transmit data to unexpected endpoints.
Install Mechanism
noteInstall spec lists pillow, numpy, torch, torchvision (appropriate for SAM). The script may auto-run pip install git+https://github.com/facebookresearch/segment-anything.git if needed and downloads large model checkpoints from dl.fbaipublicfiles.com (Meta's public hosting). This is expected but involves dynamic code download and large network transfers (~375MB–2.5GB).
Credentials
okNo environment variables, credentials, or unrelated config paths are requested. The script writes checkpoints to ~/.cache/sam and saves outputs where the user specifies; those are proportionate to the function.
Persistence & Privilege
okalways is false and the skill does not modify other skills or system-wide settings. It stores model checkpoints in the user's cache directory only, which is reasonable for repeated use.