harvest

name	harvest
description	Capture an unusually good workflow into a durable, reviewed artifact — a skill, rule, profile, AGENTS.md diff, or team learning — with measured evidence and an explicit contract. Runs a witnessed-behavior census (multi-witness vs single-witness), fills a harvest contract, validates with blind trap prompts, and emits a PASS / FAIL / INCONCLUSIVE verdict before promotion; seeds /autoresearch when the artifact is a skill. Use when a stronger or temporary model, a one-off session, or a teammate's transcript produced behavior worth preserving before it's lost. Triggers "harvest this workflow", "capture what the model did", "turn this session into a skill", "preserve this behavior", "model handoff", "before we lose access to this model".
context	fork
argument-hint	[what to harvest]

harvest

Extract the repeatable procedure behind an unusually good result and land it as a reviewed cc-settings artifact — with the evidence measured, not asserted. The output is a concrete file (skill, rule, profile section, AGENTS.md diff, or team-knowledge note) plus a filled harvest contract whose verdict (PASS / FAIL / INCONCLUSIVE) decides whether it may be promoted, and to what scope.

This is a ratchet: it only tightens shared standards on behavior it can show repeated or survived a trap. Behavior it cannot measure is marked INCONCLUSIVE and held back, not written up as fact.

Phase 1 — Witnessed behavior census

Before deciding what to harvest, inventory what was actually seen. For each candidate behavior, record — from evidence, not memory:

• Witness count: how many independent sessions / transcripts / runs showed it, and therefore multi-witness (≥2) or single-witness (1).
• What repeated: the steps that were identical every time — the deterministic core.
• What varied: what differed across witnesses. Decide per difference: noise to drop, or part of the signal to preserve.
• Evidence inspected: the transcripts, PRs, diffs, or outputs you actually read.
• Not proven: what you are inferring rather than observing. Name the gaps.

Evidence comes two ways — use whichever the user has:

1. Interview — 3–5 questions, one at a time: trigger? ordered steps? where the default would have gone wrong? how you knew the output was good? what it refused?
2. Transcript / diff analysis — the user points at a session, PR, or outputs. Read them, reconstruct the same answers yourself, then confirm with the user.

An unknown witness count is null, never an optimistic guess. Single-witness is a valid census result — it just caps how far the artifact can travel (Phase 5).

Phase 2 — Filter to the harvestable

The bar is a repeatable procedure, not raw intelligence. Test each candidate:

• What did the session do differently from the default path? ("ran the failing test before reading any source", not "it was smarter").
• Would the same steps help a weaker model or a fresh session? If the value was depth of reasoning alone, stop and say so — that can't be harvested, and prose about it is context bloat, not capability.
• Is it already covered? Check the "All Skills" table in MANUAL.md and ~/.claude/rules/ first. If an existing artifact covers 80% of it, the deliverable is a diff to that artifact, not a new one.

Phase 3 — Fill the harvest contract

Distill the census into the harvest contract — copy its template and fill every field: trigger, observed evidence, procedure, known failure modes, quality bar, trap prompts, required tools, verification result, promotion decision.

If you can't fill a row with something concrete, it is null / INCONCLUSIVE — that is data, not a blank to paper over. A missing failure mode usually means the behavior wasn't actually different from the default; go back to Phase 1.

Phase 4 — Route to the smallest artifact, then write it

The behavior is…	Artifact	How
A multi-step workflow a user would invoke	Skill	bun run new-skill + docs/skill-authoring.md
An always-on constraint tied to file types	Rule	New/edited file in rules/ with paths: frontmatter
A workflow bundle for one project type	Profile	Section in the matching profiles/*.md
A universal standard every tool should follow	AGENTS.md	Targeted diff to the relevant section
A single gotcha, decision, or convention	Team learning	Hand off to /share-learning

Bias toward the smallest artifact that carries the procedure — folding into an existing skill beats adding a new one (see the skill cap in CLAUDE-FULL.md). Author it in the target's own conventions, carrying the contract's fields into the file: procedure as steps, failure modes as a DON'T / red-flags section, quality bar as explicit checks.

For skills, complete registration: ACTIVE_SKILLS in src/lib/managed-skills.ts, MANUAL.md section + "All Skills" row, then bun run lint:skills.

Phase 5 — Verify: traps, then verdict

Write 2–3 trap prompts — realistic requests where an agent without the artifact takes the documented bad path. For each:

1. Run it against a fresh subagent with the artifact loaded. The subagent must not see the trap's expected answer or this checklist (blind-run rule — same as /autoresearch).
2. Judge the transcript against the contract's quality bar: did it avoid the specific failure mode?

Then set the verification result per the contract's rubric:

• PASS — multi-witness, or single-witness with all traps passing.
• FAIL — a trap reproduced the bad path with the artifact loaded. Do not promote; revise and re-run, or stop.
• INCONCLUSIVE — evidence missing, single-witness with no passing trap, or any required field still null. Personal draft only; never a shared standard.

The promotion scope gate (CONTRACT.md) binds the verdict to how far the artifact travels: single-witness never reaches AGENTS.md, rules/, profiles/, or team-knowledge on its own.

Phase 6 — Seed autoresearch (skills only)

When the routed artifact is a skill, hand its evidence forward: write or update skills/<name>/RESEARCH.md so /autoresearch can later optimize it.

• ## Test Inputs ← the trap prompts (one ### Test N: per trap).
• ## Checklist ← the quality-bar checks (observable, binary — 3–7 items).
• ## Settings ← defaults (samples: 3, min_improvement: 0.05, max_rounds: 50).

Preserve the blind-run rule: the seed carries only the raw prompt and the binary criteria — never the expected answer, the scoring rationale, or this conversation's context. Leaking any of those teaches to the test.

Validate the shape before finishing: bun run lint:research skills/<name>/RESEARCH.md (required sections present, ≥2 test inputs, 3–7 checklist items, numeric settings).

Deopt / fallback

• Evidence missing → mark INCONCLUSIVE. Do not promote; do not invent a PASS.
• Trap prompts fail → FAIL. Fix the artifact and re-run, or stop.
• Unknown numbers → null / INCONCLUSIVE, never aspirational.
• Unknown territory — behavior you can't reconstruct, a judgment you can't verify from evidence on disk — → fall back to /verify, /oracle, human approval, or normal reasoning rather than forcing a verdict.

Approval gate

Stop. Present the artifact and the filled contract (with its verdict). Wait for approval before:

• Editing AGENTS.md, rules/, or profiles/ (shared standards — every teammate inherits these; require multi-witness and PASS)
• Posting to the team-knowledge repo via /share-learning
• Committing anything

Personal-scope drafts (a new unregistered skill file, a RESEARCH.md seed) may be written freely; the gate is on anything shared.

Pairs with

• /autoresearch — the optimization loop on a harvested skill; Phase 6 hands it a ready RESEARCH.md seeded from the traps and quality bar
• /share-learning — the routing target for single-note learnings
• /verify or /oracle — the fallback when a behavior is real but can't be measured into a verdict

What this skill does NOT do

• Clone model reasoning. It captures procedures — steps, checks, gates. If the magic was the model itself, the honest output is "not harvestable".
• Call model APIs to sample or distill behavior. Evidence comes from the user, transcripts, and artifacts already on disk.
• Assert what it didn't witness. Unknown counts are null; unproven behavior is INCONCLUSIVE. Every promotion carries a verdict, or it isn't done.