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sk-code-quality

sk-code-quality is a skill for Claude Code from MichelKerkmeester/skilled-agent-harness_spec-driven-loops. It costs 0 tokens per session (5,641 once invoked), scanned A, original, MIT.

A quality-check workflow for changed code, scripts, skills, agents, commands, servers, and specification documents.

In plain words
What is it for?
Use it after implementation to check and fix quality problems in OpenCode files, Webflow code, and other supported project files.
Why use it?
It catches author-side problems before verification or completion, including risky changes, poor comments, and surface-specific issues.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths; mentions subagents; mentions OpenCode.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is +- Surface identity -> ../shared/references/stack-detection.md.

not rated 38repo +1 changed today A scan SkillSpector: pass 0 tokens original MIT

Good fit Use it after implementation to check and fix quality problems in OpenCode files, Webflow code, and other supported project files.

Compare 6 skills from other repositories ↓
View source ↗ MichelKerkmeester/skilled-agent-harness_spec-driven-loops
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/MichelKerkmeester/skilled-agent-harness_spec-driven-loops
agentmods
npx agentmods add skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/sk-code-quality

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for sk-code-quality

README.md
[![agentmods](https://agentmods.dev/badge/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/sk-code-quality/github.svg)](https://agentmods.dev/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/sk-code-quality)
Your own site
<a href="https://agentmods.dev/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/sk-code-quality"><img src="https://agentmods.dev/badge/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/sk-code-quality/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for sk-code-quality

Your own site · 80×15
<a href="https://agentmods.dev/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/sk-code-quality"><img src="https://agentmods.dev/badge/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/sk-code-quality.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,641 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
SkillSpector: 1 finding, up to low

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • low Excessive Agency · line 248
    Skill's behavior or capabilities extend beyond its stated purpose. Scope creep allows an agent to perform actions unrelated to its documented functionality, increasing the attack surface.
    Fix: Limit the skill's scope to its documented purpose. Remove instructions that enable the agent to perform actions outside its stated functionality.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00000 $0.05641
Opus 5.5 $0.00000 $0.02256
Sonnet 5.5 $0.00000 $0.01128
Haiku 4.5 $0.00000 $0.00564

Measured today against content hash f4ef244bd62a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sk-code-quality scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

The scan reads SKILL.md. This mod also ships 5 executable files (scripts/check-comment-hygiene.sh, scripts/check-comment-hygiene.test.sh, scripts/check-dist-staleness.sh, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.hermes/skills/sk-code-quality/SKILL.md · 330 lines

How it starts

The opening of the file, as written. The whole thing — 330 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Canonical source: .skilled/skills/sk-code/sk-code-quality/. This is a generated markdown-only copy so Hermes can load the skill without scanning the canonical directory. Read references/, assets/ and scripts/ from the canonical path above.

Code Quality (quality)

quality is the author-side quality gate MODE child of the sk-code family. It runs after the surface skill (sk-code-skilled) implements changes and before the surface's verification workflow or done-claim. It consumes the shared surface router, loads the right checklist for the detected surface and target path, fixes quality-gate failures in place, and leaves findings-only output to sk-code-review.

1. WHEN TO USE

Activation Triggers

Use this mode when the request involves:

  • Running the post-implementation quality gate before a completion claim.
  • Applying P0/P1/P2 author-side checks to changed code, scripts, skills, agents, commands, MCP servers, or spec docs.
  • Checking comment hygiene on modified files and removing ephemeral artifact references from comments while preserving durable WHY.
  • Loading an OpenCode authoring checklist for .skilled/skills/, .skilled/agents/, .skilled/commands/, .opencode/specs/, MCP server source, or language-specific OpenCode files.
  • Fixing quality-gate failures in place with Edit when the fix belongs to the already-authored file.

Keyword triggers: quality gate, code quality, comment hygiene, surface checklist, P0, P1, P2, authoring checklist, OpenCode checklist, skill authoring, agent authoring, command authoring, MCP server authoring, spec folder authoring, check before done.

When NOT to Use

Skip this mode when:

  • The user needs code written, files scaffolded, or behavior implemented. Use the appropriate surface skill (sk-code-skilled) and its implementation workflow.
  • A failure needs symptom-to-root-cause investigation or a single-cause bug fix. Use the surface's debugging workflow (workflow-debug.md).
  • The task is to collect final non-mutating verification evidence. Use the surface's verification workflow (workflow-verify.md).
  • The user asks for findings-first review output, severity-ranked findings, or PR review. Use sk-code-review.
  • The task is documentation-only prose with no code-work contract. Use sk-doc.

Read the full file on GitHub · 330 lines

Files

What ships with it

31 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. today Changed · -16 lines f4ef244bd62a
  2. 6d ago Changed 10bc4089c690
  3. 8d ago Changed 54d1489f59ac
  4. 12d ago Changed b4ee49b966e9
  5. 14d ago Changed · +17 lines 1438c01c3513
  6. 25d ago Changed 7eab3c345a9f
  7. 26d ago Changed f72d3b37f1bc
  8. 1mo ago Changed ca9f18104c8c
  9. 1mo ago Changed · +5 lines c4540c706408
  10. 1mo ago First seen · 324 lines · 0 tokens per session scan A 123c3c70d713

Subscribe to this mod's changes

sk-code-quality is a skill published in the GitHub repository MichelKerkmeester/skilled-agent-harness_spec-driven-loops (38 stars, last pushed today), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 5,641 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

Code reviewDebugging
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