c-review
github.com/trailofbits/skills
Scanned Thu, 28 May 2026 17:33:45 GMT
Scan ID crawl-xbx9yjeq5a0w650g97f04pxx · 2ms
A
SCORE 95 / 100
Verdict: Safe to install

2 medium findings.

This skill spawns subprocesses outside its declared capabilities plus 1 other issue listed below.

0 critical0 high2 medium10 rules passed

Why grade A?

score · 95 / 100

The current grade reflects 2 minor findings below all thresholds.

0 CRIT0 HIGH2 MED0 LOW

Already at the top grade — no further rules to pass.

Findings · ordered by severity

med
Arbitrary subprocess execution detected
The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.
rule: subprocess-executionline: 269CWE-78
267- `… complete:` → **success.**
268- `… abort:` → **non-retryable.** Surface the abort line plus `ls -l ${output_dir}/findings-index.txt`; stop.
269- No `complete:` (help message / error / question) → **retryable once.** `SendMessage(to=<agentId>, …)` rather than a fresh spawn (the agent already paid the protocol-parse cost). Include the explicit finding paths from `findings-index.txt`. If the second try still fails, surface the transcript and continue to Phase 8b.spawns a subprocess outside declared capabilities
270
271### Phase 8b: SARIF safety net
med
No capability manifest declared
The skill ships without a `manifest.yaml` or `capabilities` block in its frontmatter. Without a manifest, the runtime cannot enforce what this skill is permitted to do.
rule: no-manifest
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skillox.io/r/crawl-xbx9yjeq5a0w650g97f04pxx