Skill Crossroads product-engineer-at
rubric v1.2 · deterministic
D+ 67.6/100 overall
Correctness & Structure 33 2 fail
Triggering & Discoverability 33 2 fail
Clarity & Instructions 100 pass
Token & Context Cost 100 pass
Safety & Security 93 1 warn
Verifiability & Maintainability not yet scored

Top fixes — ranked by score impact

✗ STRUCT-01 Valid YAML frontmatter
product-engineer-at.md:1— → YAML parser rejected the frontmatter block
Frontmatter failed to parse: Nested mappings are not allowed in compact mappings at line 2, column 14: description: Use this agent whenever AT is invoked, with the rest of the accoun… ^
Fix Fix the YAML so it is a valid `key: value` mapping between the opening and closing `---` fences.
✗ STRUCT-02 Recommended fields present
product-engineer-at.md:1
No frontmatter to read fields from (see STRUCT-01).
Fix Add frontmatter with a `description` field.
✗ TRIGGER-02 Description long enough to anchor invocation
product-engineer-at.md:1
No description — nothing for the model to match against.
Fix Add a description that leads with the use case and the phrases a user would say.
✗ TRIGGER-03 Invocation cues in the description
product-engineer-at.md:1
No description — no invocation cues possible.
Fix Add a description with explicit cues: 'Use when …' plus the phrases a user would say.
⚠ SAFETY-02 allowed-tools least-privilege
product-engineer-at.md:1no `tools` declared → the agent inherits every tool, including Bash
Subagents without a `tools` list get unrestricted tool access.
Fix Declare a scoped `tools:` list with only what the agent needs (e.g. `tools: Read, Grep, Glob`).
Partial grade — some applicable rubric categories were not scored on this scan (e.g. LLM-assisted checks without a key) and are excluded from the overall.

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Skill Crossroads grade D+ Always-fresh — it re-scans and updates on its own. 
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