An independent code-review step that sends the current change to a separate evaluator and scores it against the project's written checks.

Use it before marking a coding task complete, especially when the project has a rubric and verification commands.

It reduces the risk of accepting work that has not been tested properly or that a coding agent has judged too generously.

evaluate — Skill by whieet

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add skills/whieet/harness-kit/evaluate

Any agent

npx skills add whieet/harness-kit --skill evaluate

Clone the repo

git clone --depth 1 https://github.com/whieet/harness-kit

Made for: Claude Code, Codex.

Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 419 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

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.

Model	Per session	Once invoked
Fable 5	$0.00039	$0.00419
Opus 5	$0.00019	$0.00210
Sonnet 5	$0.00008	$0.00084
Haiku 4.5	$0.00004	$0.00042

Measured 2d ago against content hash c4d56dddf30f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

evaluate 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 2d ago.

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.

skills/evaluate/SKILL.md · 24 lines

What it actually says

/harness-kit:evaluate

Run an INDEPENDENT evaluation of the current change — the robust path for Generator/Evaluator separation (a generator grading itself is unreliable).

Steps

Read .harness/config.json first and follow its language preference when relaying the evaluation to the user. Do not translate file/directory names, command names, or config keys.
Dispatch the evaluator subagent (via the Task/Agent tool, subagent type evaluator). It runs with fresh context and has no edit tools, so it cannot grade its own work. Tell it what changed (the current diff scope / the active plan).
The evaluator will: read .harness/rubric.md + config.verificationRecipe, run each dimension's verification check (the project's MCP tools / test runners), score every dimension 1–5 (any dimension < 3 = FAIL), append its scores to .harness/state/trace.jsonl (feeds the config suggester), and return a VERDICT: PASS | WARN | FAIL.
Relay the verdict. On FAIL, list the must-fix items and do not declare the task done — revise and re-evaluate. On WARN, pass but note the technical debt.

Notes

This is the recommended, robust evaluator path. An optional experimental auto-fire variant (a type:agent Stop hook) exists in hooks/optional-auto-eval.json — it is context-only (cannot block), runs every Stop, and is off by default; see the README before enabling it.
The Stop-hook completion gate (harness-verify + plan DoD) remains the hard, blocking gate; the evaluator is the subjective-quality layer on top.

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.

2d ago First seen · 24 lines · 39 tokens per session scan A c4d56dddf30f

Subscribe to this mod's changes

evaluate is a skill published in the GitHub repository whieet/harness-kit (5 stars, last pushed 1mo ago), licensed MIT. It adds 39 tokens to every session and 419 once invoked, about $0.0002 per session on Opus 5. 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 2026-08-31.

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