specify
This skill should be used when the user wants to define the requirements of a feature or project. Produces numbered requirements and validation criteria. Triggers include "write a spec for", "define the requirements", "what should this do", "capture the requirements".
What this skill does
# Specify
Define what to build and how to know it's done. Requirements, numbered. Validation, explicit. Not how to build it — that's the plan.
## Process
Search for related prior work: invoke the `lore-researcher` agent via Task tool with the topic description — wait for the result. Review any relevant lore context. Ask clarifying questions. Draft. Save. Then run a fresh-eyes review.
After saving, invoke the `spec-reviewer` agent via Task tool on the saved spec. Present findings and offer to address issues before moving on.
## Requirements
Number requirements with a namespaced prefix to avoid collisions across specs: `REQ-{PREFIX}-N`
Derive the prefix from the spec filename — take the first 1-2 segments of the kebab-case name, uppercase. `auth-flow.html` → `REQ-AUTH-FLOW`. `checkout.html` → `REQ-CHECKOUT`. Override with a `req-prefix` meta field when the auto-generated prefix is awkward or shorter IDs are preferred.
## Validation
Every spec needs an AI Validation section. It answers: how will the AI verify this is done? It must be behavioral and actionable — something the AI can run or observe. When in doubt, invoke `/define-validation` to work through it.
## Saving
Save to `.lore/work/specs/[feature-name].html` using kebab-case. Load `${CLAUDE_PLUGIN_ROOT}/shared/document-schema.md` for the meta tag fields. The document body is freeform — what matters is that requirements are numbered and validation is explicit.
The output is HTML — make requirements scannable and the validation section impossible to miss. Status badges on individual requirements, collapsible detail sections, a sticky header showing spec status and req-prefix, anchor links per requirement ID so cross-references work. Inline CSS and JS are fine; no external dependencies.
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