1 high-severity finding.

This skill runs unsafe shell commands plus 1 other issue listed below.

0 critical1 high1 medium10 rules passed

Why grade B?

score · 75 / 100

The current grade reflects 1 high-severity finding (any HIGH → B).

0 CRIT1 HIGH1 MED0 LOW

To reach a higher grade

A
Reach Atarget score 95
Resolve all 1 HIGH.

Thresholds are documented at /docs/grading. Source-of-truth is the grade() function in @skillox/scanner.

Findings · ordered by severity

high

Dangerous shell pattern: curl | shell

The skill contains a shell command pattern (`curl | shell`) commonly used in destructive or supply-chain attacks.

rule: dangerous-shellline: 95CWE-78

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933. **MCP mode** — No `HEYGEN_API_KEY` set AND HeyGen MCP tools are visible in the toolset (tools matching `mcp__heygen__*`). OAuth auth, uses existing plan credits.

944. **CLI mode (fallback)** — MCP tools NOT available AND `heygen --version` exits 0. Auth via `heygen auth login` (persists to `~/.heygen/credentials`).

955. **Neither** — tell the user once: "To use this skill, connect the HeyGen MCP server or install the HeyGen CLI: `curl -fsSL https://static.heygen.ai/cli/install.sh | bash` then `heygen auth login`."← curl | shell — common in destructive or supply-chain attacks

97**Hard rules:**

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-j7bdyzda4qzoobgmgii06wu3