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 agentmods add commands/xonovex/platform/skill-evaluategit clone --depth 1 https://github.com/xonovex/platformWhat 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 | $0.00026 | $0.00235 |
| Opus 5 | $0.00013 | $0.00118 |
| Sonnet 5 | $0.00005 | $0.00047 |
| Haiku 4.5 | $0.00003 | $0.00023 |
Grade A, and why
skill-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.
What it actually says
/xonovex-utility:skill-evaluate - Seed a skill's output-eval file
Arguments
[skill-file](required) - Path to SKILL.md or skill directory[--count <n>](optional) - Target number of evals (default 2-4)
Delegation
Load the skill-guide skill (plugin xonovex-skill-skill) and perform its
evaluating-outputs operation with these arguments. The skill is the source of truth
for the procedure, output format, and gotchas. Do not restate them.
Prefer an installed test-design skill when its routing description fits the requested
evaluation work; continue with baseline evaluation design when none is installed.
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 · 28 lines · 26 tokens per session scan A dc42dc95cae1
skill-evaluate is a command published in the GitHub repository xonovex/platform (5 stars, last pushed 2d ago), licensed MIT. It adds 26 tokens to every session and 235 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 2026-08-31.
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