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.
npx skills add richfrem/agent-plugins-skills --skill evo-smoketestgit clone --depth 1 https://github.com/richfrem/agent-plugins-skillsWrote 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.
[](https://agentmods.dev/skills/richfrem/agent-plugins-skills/evo-smoketest)<a href="https://agentmods.dev/skills/richfrem/agent-plugins-skills/evo-smoketest"><img src="https://agentmods.dev/badge/skills/richfrem/agent-plugins-skills/evo-smoketest/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.
<a href="https://agentmods.dev/skills/richfrem/agent-plugins-skills/evo-smoketest"><img src="https://agentmods.dev/badge/skills/richfrem/agent-plugins-skills/evo-smoketest.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 5.1 | $0.00023 | $0.00488 |
| Opus 5 | $0.00012 | $0.00244 |
| Sonnet 5 | $0.00005 | $0.00098 |
| Haiku 4.5 | $0.00002 | $0.00049 |
Grade A, and why
evo-smoketest 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 6d 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.
What it actually says
evo-smoketest
A disposable fixture skill used only by the evolution end-to-end acceptance suite. It exists to give a real self-evolution cycle a controlled, reproducible routing gap to triage, fix (E2E-PASS), or fail three times (E2E-ROLLBACK). Do not deploy or depend on this skill in production.
Purpose
Provide deterministic temperature-unit conversions so the router has a concrete capability to score
against evals/evals.json.
When to use
Use this skill when the user asks to convert a temperature between Celsius and Fahrenheit.
Deliberate baseline gap (do not remove without updating evals)
The description above intentionally names only Celsius and Fahrenheit. evals/evals.json's
kelvin_conversion case ("How warm is 300 Kelvin?") shares zero 4+ char keywords with this
description, so the routing evaluator genuinely MISSES it at baseline (not merely for a lower score --
correctness map-debt 2026-08-31 found the original query, "Convert 300 Kelvin to Celsius.", already
contained the word "Celsius" and so passed at baseline for the wrong reason, never exercising this gap
at all).
- E2E-PASS: the evolution cycle closes the gap by broadening the
descriptionandWhen to usesection to include Kelvin (K = C + 273.15), which flips the failing eval case to green (evaluate.py --decision-onlyexit 0) for the right reason -- because "kelvin" is now a matched keyword, not by coincidence. - E2E-ROLLBACK: an intentionally wrong "fix" that does NOT add Kelvin fails the verifier three times, forcing the controller into ROLLBACK.
Procedure
- Identify the source unit, target unit, and numeric value in the request.
- Apply the conversion:
- Celsius to Fahrenheit:
F = C * 9/5 + 32 - Fahrenheit to Celsius:
C = (F - 32) * 5/9
- Celsius to Fahrenheit:
- Return the converted value rounded to one decimal place.
What ships with it
5 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.
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.
- 6d ago First seen · 45 lines · 23 tokens per session scan A cfe25677e243
evo-smoketest is a skill published in the GitHub repository richfrem/agent-plugins-skills (6 stars, last pushed today), licensed MIT. It adds 23 tokens to every session and 488 once invoked, about $0.0001 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 2026-09-03.
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