specify

specify is a skill for Claude Code from rjroy/vibe-garden. It costs 55 tokens per session (443 once invoked), scanned A, original, MIT.

A written description of what a feature or project must do and how to check that it is complete. It focuses on requirements and tests for success, rather than implementation steps.

In plain words
What is it for?
Use it when defining a new feature, product, or project before planning or coding. It produces numbered requirements and explicit validation criteria.
Why use it?
It turns an unclear idea into an agreed target for developers and reviewers. This reduces misunderstandings about scope and makes completion verifiable.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the lore-development plugin — 12 skills, 1 agent shipped together

Good fit Use it when defining a new feature, product, or project before planning or coding. It produces numbered requirements and explicit validation criteria.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add rjroy/vibe-garden
Claude Code
/plugin install lore-development

Made for: Claude Code.

Or install lore-development, the plugin that ships this one along with the rest of its 12 skills, 1 agent.

Wrote 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.

agentmods badge for specify

README.md
[![agentmods](https://agentmods.dev/badge/skills/rjroy/vibe-garden/specify.svg)](https://agentmods.dev/skills/rjroy/vibe-garden/specify)
Your own site
<a href="https://agentmods.dev/skills/rjroy/vibe-garden/specify"><img src="https://agentmods.dev/badge/skills/rjroy/vibe-garden/specify.svg" alt="Measured on agentmods" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 443 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00055 $0.00443
Opus 5 $0.00028 $0.00221
Sonnet 5 $0.00011 $0.00089
Haiku 4.5 $0.00006 $0.00044

Measured 7d ago against content hash b58e42667c55, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

specify 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 7d 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.

lore-development/skills/specify/SKILL.md · 31 lines

What it actually says

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.mdREQ-AUTH-FLOW. checkout.mdREQ-CHECKOUT. Override with a req-prefix frontmatter 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].md using kebab-case. Load ${CLAUDE_PLUGIN_ROOT}/shared/frontmatter-schema.md for the frontmatter fields. The document body is freeform — what matters is that requirements are numbered and validation is explicit.

Write the body Markdown-first per the "Body Format" section of ${CLAUDE_PLUGIN_ROOT}/shared/frontmatter-schema.md. Reach for embedded inline HTML only where scannability needs it — per-requirement status badges and anchor links per requirement ID so cross-references work.

Changes

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.

  1. 7d ago First seen · 31 lines · 55 tokens per session scan A b58e42667c55

Subscribe to this mod's changes

specify is a skill published in the GitHub repository rjroy/vibe-garden (6 stars, last pushed 2mo ago), licensed MIT. It adds 55 tokens to every session and 443 once invoked, about $0.0003 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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