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 andregusman-raiz/a-gusman-claude --skill ag-referencia-sddgit clone --depth 1 https://github.com/andregusman-raiz/a-gusman-claudeWrote 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/andregusman-raiz/a-gusman-claude/ag-referencia-sdd)<a href="https://agentmods.dev/skills/andregusman-raiz/a-gusman-claude/ag-referencia-sdd"><img src="https://agentmods.dev/badge/skills/andregusman-raiz/a-gusman-claude/ag-referencia-sdd/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/andregusman-raiz/a-gusman-claude/ag-referencia-sdd"><img src="https://agentmods.dev/badge/skills/andregusman-raiz/a-gusman-claude/ag-referencia-sdd.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 | $0.00040 | $0.00430 |
| Opus 5 | $0.00020 | $0.00215 |
| Sonnet 5 | $0.00008 | $0.00086 |
| Haiku 4.5 | $0.00004 | $0.00043 |
Grade A, and why
ag-referencia-sdd 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 9d 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.
What it actually says
Metodologia SDD (Spec Driven Development)
Principio 80/20: 80% planejamento, 20% execucao.
Fluxo Obrigatorio para Features/Refatoracoes
PRD.md → SPEC.md → Execucao → Review
- PRD: Problema, escopo, requisitos, metricas de sucesso
- SPEC: Plano tecnico (max 200 linhas, dividir se maior)
- Execucao: Implementar seguindo o SPEC exatamente
- Review: Validar contra criterios, documentar decisoes
Quando Usar SDD
| Cenario | SDD? |
|---|---|
| Nova feature | Sim |
| Bug fix complexo | Sim (simplificado) |
| Refatoracao | Sim |
| Hotfix urgente | Nao (documentar depois) |
| Quick task (< 30min) | Nao |
Templates
PRD → /prd [feature] (skill prd-writer)
Gera PRD padronizado com problema, personas, escopo, metricas de sucesso, riscos.
Output: docs/specs/{name}-prd.md (max 100 linhas)
SPEC → /spec-writer [feature] ou ag-especificar-solucao
Gera SPEC tecnica implementavel com interfaces, edge cases, criterios de aceite.
Output: docs/specs/{name}-spec.md (max 200 linhas)
ADR → /adr [decisao] (skill adr)
Registra decisoes arquiteturais com contexto, alternativas e trade-offs.
Output: docs/adr/ADR-{NNN}-{slug}.md (max 60 linhas)
Playbook detalhado:
.claude/Playbooks/01_Spec_Driven_Development.md
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.
- 9d ago First seen · 47 lines · 40 tokens per session scan A 51467caccace
ag-referencia-sdd is a skill published in the GitHub repository andregusman-raiz/a-gusman-claude (19 stars, last pushed 4d ago), licensed MIT. It adds 40 tokens to every session and 430 once invoked, about $0.0002 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 2026-09-03.
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