4 medium findings.

This skill spawns subprocesses outside its declared capabilities plus 3 other issues listed below.

0 critical0 high4 medium8 rules passed

Why grade B?

score · 75 / 100

The current grade reflects 4 medium findings (3+ MEDs → B).

0 CRIT0 HIGH4 MED0 LOW

To reach a higher grade

A
Reach Atarget score 95
Resolve 2 of 4 MED (cap is 2).

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

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: 833CWE-78

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831# 1. Load existing save (or detect new user)

832# Note: user_id should be validated/sanitized by OpenClaw before reaching this point

833result = exec({← spawns a subprocess outside declared capabilities

834 "command": f"uv run ~/clawd/skills/yumfu/scripts/load_game.py --user-id {user_id} --universe {universe} --quiet"

835})

med

Arbitrary subprocess execution detected

The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.

rule: subprocess-executionline: 848CWE-78

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846# 3. Save back using stdin (avoids command injection)

847save_json = json.dumps(save_data["data"])

848result = exec({← spawns a subprocess outside declared capabilities

849 "command": f"uv run ~/clawd/skills/yumfu/scripts/save_game.py --user-id {user_id} --universe {universe}"

850})

med

Arbitrary subprocess execution detected

The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.

rule: subprocess-executionline: 1980CWE-78

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1978```python

1979# 1. Generate HTML storybook first

1980result = exec({← spawns a subprocess outside declared capabilities

1981 "command": "uv run ~/clawd/skills/yumfu/scripts/generate_storybook_v3.py --user-id 1309815719 --universe warrior-cats"

1982})

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-gvubi587ie1e2aefp4zf1vhh