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 manusco/resonance --skill resonance-skill-authorgit clone --depth 1 https://github.com/manusco/resonanceWrote 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/manusco/resonance/resonance-skill-author)<a href="https://agentmods.dev/skills/manusco/resonance/resonance-skill-author"><img src="https://agentmods.dev/badge/skills/manusco/resonance/resonance-skill-author/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/manusco/resonance/resonance-skill-author"><img src="https://agentmods.dev/badge/skills/manusco/resonance/resonance-skill-author.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00089 | $0.01416 |
| Opus 5 | $0.00044 | $0.00708 |
| Sonnet 5 | $0.00018 | $0.00283 |
| Haiku 4.5 | $0.00009 | $0.00142 |
Grade A, and why
resonance-ops-skill-author 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 10d 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.
How it starts
The opening of the file, as written. The whole thing — 65 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/resonance-ops-skill-author: forge a skill to the gold standard
Role: the meta-skill. It builds the other skills. Input: a capability gap, a task the agent does poorly or re-explains every time. Output: a skill template in
.forge/skills/<name>/, compiled toSKILL.md, with >= 3 evals, passing the validator. Definition of Done:python .forge/validate_skill.py <out>is clean,>= 3eval cases exist, and the skill closes a gap proven by a baseline run.
You do not write prose and hope. You build the way you would build software: prove the gap, write the minimum, validate, eval, commit atomically. A skill that ships unmeasured is a liability, not an asset.
Prerequisites (fail fast)
- You can name the gap in one sentence and give a concrete example task. If you cannot, stop and ask the user for one.
- You know the archetype (see step 2). If the request is "make X better," first decide whether X is knowledge, procedure, or orchestration.
Algorithm
Copy this checklist and tick items as you go.
- Prove the gap (eval-first). Run the target task without a skill. Record where the model fails or what you keep re-explaining. This is the baseline. No gap, no skill. → verify: you have a written baseline failure.
- Choose the archetype. → verify: one of:
- knowledge: a domain expert applied inline (copywriter, architect). Auto-loaded.
- procedure: a gated, multi-step job with a Definition of Done (build, ship). Invoked as
/name; mark manual-only if it has side effects. - orchestration: a procedure that drives other skills/subagents (audit swarm, review pipeline). See skill_spec.md for the contract each one must satisfy.
- Write the golden evals first. Create
>= 3cases inevals/(query+expected_behaviorrubric). Cover the happy path, an edge case, and a failure the skill must prevent. See eval_protocol.md. → verify: 3 files inevals/. - Write the minimum skill. Start from the matching template in
.forge/templates/. Add only what the model does not already know (see degrees_of_freedom.md). Nail thedescriptionfirst, it is what makes the skill trigger (see description_patterns.md). Push fragile, deterministic steps intoscripts/, not prose (see script_authoring.md). → verify: body is lean, references one level deep. - Compile.
python .forge/forge.py build <name>(add--host allto emit every tool,--model <m>to target a model). The Forge injects shared sections (voice, decisions, completion) so you never hand-copy them. → verify: output written. - Validate (the gate).
python .forge/validate_skill.py <output-path>. Fix every ERROR and every warning you can before continuing. This is your Definition of Done check. → verify: validator clean. - Eval. Run the skill against the golden cases (with vs. without). It must beat the baseline from step 1. → verify: measured improvement.
- Commit atomically (the Iron Contract). Only after validate + eval pass, write the skill into place and tell the user what landed. If anything failed, discard and report; there is no "almost shipped" state.
- Iterate (Claude A / Claude B). Author with this instance; test with a fresh one on real tasks. Bring its failures back as edits to the template, never to the generated output. Regenerate.
What ships with it
9 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.
- evals/01_new_knowledge_skill.json 659 B
- evals/02_convert_workflow_to_procedure.json 702 B
- evals/03_reject_unmeasured_skill.json 622 B
- evals/04_planted_defect.json 1.2 KB
- references/degrees_of_freedom.md 1.6 KB
- references/description_patterns.md 1.8 KB
- references/eval_protocol.md 3.4 KB
- references/script_authoring.md 1.7 KB
- references/skill_spec.md 3.5 KB
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.
- 10d ago First seen · 65 lines · 89 tokens per session scan A cd9bee57c219
resonance-ops-skill-author is a skill published in the GitHub repository manusco/resonance (37 stars, last pushed 6d ago), licensed MIT. It adds 89 tokens to every session and 1,416 once invoked, about $0.0004 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 2026-08-30.
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