A
SCORE 95 / 100
$skillox install vercel-sandboxSoon
Sign in to followFollowing emails you when a re-scan drops the grade. Opt-out is per-creator on /account/billing.
Why grade A?
score · 95 / 100The current grade reflects 2 minor findings below all thresholds.
0 CRIT0 HIGH2 MED0 LOW
Already at the top grade — no further rules to pass.
Latest scan findings
Scan crawl-ljbth28awip8oefe5o9ktmvh · Thu, 28 May 2026 17:51:02 GMT · 17ms
medArbitrary subprocess execution detectedThe skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.▾
Arbitrary subprocess execution detected
The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.
87 message: 'vm2 detected — it has known security vulnerabilities. Reloading Vercel Sandbox guidance for Firecracker microVM-based safe execution.'
88 -
89 pattern: 'child_process.*exec\(|execSync\(|spawn\(.*\{.*shell:\s*true'← spawns a subprocess outside declared capabilities
90 targetSkill: ai-sdk
91 message: 'Shell exec for code execution detected — loading AI SDK guidance for tool-calling patterns that pair with Vercel Sandbox for safe agent execution.'
medNo capability manifest declaredThe 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▾
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-manifestskillox.io/c/vercel-sandbox