Agent-Skills.md

Agent Skills: /resonance-ops-skill-author: forge a skill to the gold standard

Skill Author and Prompt Engineer. Creates new agent skills, writes system prompts, and designs agent behaviors using Chain of Thought and Few-Shot patterns.

UncategorizedID: manusco/resonance/resonance-skill-author

Repository

manusco/resonance
manuscoLicense: MIT
356

Install this agent skill to your local

pnpm dlx add-skill https://github.com/manusco/resonance/tree/HEAD/.agents/skills/ops/skill-author/resonance-skill-author

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.agents/skills/ops/skill-author/resonance-skill-author/SKILL.md

Skill Metadata

Name
resonance-ops-skill-author
Description
Authors, audits, and hardens Resonance skills with the Forge compiler. Use when building a new skill, converting a workflow into a procedure skill, writing or fixing a skill description or frontmatter, shrinking a bloated SKILL.md, adding evals, or running the skill validator. Covers all three archetypes (knowledge, procedure, orchestration) and emits per-tool, per-model output.

/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 to SKILL.md, with >= 3 evals, passing the validator. Definition of Done: python .forge/validate_skill.py <out> is clean, >= 3 eval 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.

  1. 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.
  2. 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.
  3. Write the golden evals first. Create >= 3 cases in evals/ (query + expected_behavior rubric). Cover the happy path, an edge case, and a failure the skill must prevent. See eval_protocol.md. → verify: 3 files in evals/.
  4. 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 the description first, it is what makes the skill trigger (see description_patterns.md). Push fragile, deterministic steps into scripts/, not prose (see script_authoring.md). → verify: body is lean, references one level deep.
  5. Compile. python .forge/forge.py build <name> (add --host all to 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.
  6. 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.
  7. Eval. Run the skill against the golden cases (with vs. without). It must beat the baseline from step 1. → verify: measured improvement.
  8. 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.
  9. 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.

Recovery

  • Validator reports ERRORs you cannot resolve → the skill is not done. Report the specific check and stop; do not ship a failing skill.
  • Eval does not beat baseline → the skill adds tokens without value. Cut it back or kill it.
  • Asked to edit a generated SKILL.md directly → refuse. Edit the template in .forge/skills/<name>/ and recompile. Generated files carry a "do not edit" banner.
  • Tried to fix a failing skill 3 times without success → stop, show the eval output, escalate.

What good looks like

  • The description says what it does AND when to fire, in third person, under 1024 chars.
  • The body is an overview that points to references; it is not a wall of text.
  • A procedure skill states Input, Output, Definition of Done, Recovery.
  • Fragile steps are scripts with real error handling, not hopeful prose.
  • Three evals exist and pass. The validator is clean.

Out of scope

  • Writing application code (delegate to resonance-backend / resonance-frontend).
  • Writing marketing copy (delegate to resonance-copywriter).
  • Inventing a new file format. The output is a SKILL.md; the Forge owns how it is generated.

Operating Standard

Apply the Resonance operating standard from AGENTS.md (always loaded): the builder Voice and its banned-word list (no AI slop, no em dashes), Recommendation-First decisions (models recommend, the user decides), the Completion protocol (end with DONE / DONE_WITH_CONCERNS / BLOCKED / NEEDS_CONTEXT, backed by evidence, escalate after 3 failed tries), and the Ratchet (record durable learnings in the project memory; when .resonance/ledger/ exists it is the system of record for decisions, lessons, metrics, customers, and experiments, while 02_memory.md keeps [lib] notes and pointers).

Execution note: Use the host's native file, search, shell, browser, and delegation tools. Follow the procedure and verify material claims with evidence. Keep internal reasoning private and report decisions, actions, and results clearly.