arcs-dev-tools

This SKILL.md describes a reasonable toolchain automation workflow for ARCS hardware: cloning a repository, running repo-provided install/build scripts, flashing firmware with a bundled flasher (cskburn), and reading serial logs. The primary security concern is supply-chain execution risk: the skill depends on running arbitrary scripts and a bundled binary from the cloned repository without pinned commits, signatures, or content review. If the repository source is untrusted or compromised, those scripts/binaries could execute arbitrary code on the host (high-impact). There is no evidence in the provided text of active data exfiltration, credential harvesting, remote endpoints, or obfuscation, and no direct curl|bash remote execute patterns are shown. Recommendation: treat this skill as usable only with vetted repositories (pin to commit or signed release), review the install scripts and bundled cskburn before execution, and run installer steps in a constrained environment or container where possible. Overall, the package is functionally coherent with its stated purpose but carries typical supply-chain risks from executing repository-supplied installers and binaries.