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spec-kit-template: Skill for Claude Code

.github/skills/spec-kit-requirements-nfr/SKILL.md

spec-kit-requirements-nfr is a skill for Claude Code, Codex from lksnext-ai-lab/spec-kit-template. It costs 71 tokens per session (1,115 once invoked), scanned A, original, Apache-2.0.

Una herramienta para definir o revisar requisitos no funcionales, es decir, condiciones verificables sobre aspectos como seguridad, rendimiento u operación, en lugar de funciones concretas.

In plain words
What is it for?
Sirve para documentar requisitos medibles, explicar cómo verificarlos, registrar sus motivos y abrir preguntas o decisiones pendientes cuando sea necesario.
Why use it?
Evita fijar cifras o límites sin respaldo y ayuda a distinguir lo que el sistema debe hacer de las condiciones bajo las que debe funcionar. Cuando falta información, lo deja señalado.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

This is lksnext-ai-lab/spec-kit-template's own configuration. It tells Claude Code and Codex how to work on spec-kit-template itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything spec-kit-template configures →

not rated 5repo 8mo ago A scan 71 tokens original Apache-2.0
View source ↗ lksnext-ai-lab/spec-kit-template
Reuse

Borrowing it

Nothing to install: this file belongs to lksnext-ai-lab/spec-kit-template. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/lksnext-ai-lab/spec-kit-template/main/.github/skills/spec-kit-requirements-nfr/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/lksnext-ai-lab/spec-kit-template

Made for: Claude Code, Codex.

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.

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README.md
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Your own site
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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.

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Your own site · 80×15
<a href="https://agentmods.dev/skills/lksnext-ai-lab/spec-kit-template/spec-kit-requirements-nfr"><img src="https://agentmods.dev/badge/skills/lksnext-ai-lab/spec-kit-template/spec-kit-requirements-nfr.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 71 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,115 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 $0.00071 $0.01115
Opus 5.5 $0.00028 $0.00446
Sonnet 5.5 $0.00014 $0.00223
Haiku 4.5 $0.00007 $0.00112

Measured 2mo ago against content hash d47fd0a4883a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

spec-kit-requirements-nfr 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 2mo 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.

.github/skills/spec-kit-requirements-nfr/SKILL.md · 100 lines

How it starts

The opening of the file, as written. The whole thing — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill: Requirements-NFR (spec-kit)

Objetivo

Mantener NFR claros, medibles o verificables, sin suposiciones, y útiles para implementación/validación.

Archivos que se pueden modificar

  • Primario: docs/spec/11-requisitos-tecnicos-nfr.md
  • Si aplica:
    • docs/spec/90-infra.md (operación/monitoring/backups)
    • docs/spec/80-seguridad.md (controles)
    • docs/spec/40-arquitectura.md (trade-offs/impacto técnico)
    • docs/spec/adr/ADR-*.md (decisiones con trade-off)
    • docs/spec/95-open-questions.md (gaps)
    • docs/spec/96-todos.md (pendientes)

No tocar otros ficheros salvo petición explícita.

Reglas duras (anti-deriva)

  1. No inventar umbrales
  • No fijar p95, disponibilidad, RTO/RPO, retención, límites de carga, etc. si no están definidos.
  • Si son necesarios: TBD + OPENQ (o TODO si no bloquea).
  1. NFR ≠ FR
  • Un NFR no describe flujos funcionales ni UI/API concretas; describe condiciones y verificación.
  1. Vendor-neutral por defecto
  • No imponer herramientas/stack salvo evidencia explícita.
  1. No crear NFR “de catálogo”
  • Cada NFR debe tener un driver (riesgo, compliance, coste, escala, UX, operación, etc.). Si no hay driver, no crear el NFR.
  1. Trade-offs relevantes → ADR
  • Cuando cumplir el NFR implica elegir (coste vs retención, latencia vs consistencia, etc.).

Convenciones

  • ID: NFR-### correlativo
  • Prioridad: MVP | Should | Could
  • Estado: Draft | Validated | Deprecated
  • Categoría (usa solo si aporta): Seguridad | Disponibilidad/Continuidad | Rendimiento/Escalabilidad | Observabilidad | Privacidad/Legal | Mantenibilidad | Portabilidad | UX/Accesibilidad | Coste

Plantilla obligatoria por NFR

NFR-### — <Título>

Driver: (por qué existe; 1–2 líneas)
Categoría: (opcional)
Prioridad: MVP | Should | Could
Estado: Draft | Validated | Deprecated
Bloquea: Sí | No (si falta dato)

Enunciado: (condición clara, sin adjetivos vacíos)

Métrica (si aplica):

  • SLI: (qué se mide)
  • Umbral: (valor o TBD)
  • Ventana/escenario: (valor o TBD)

Si hay SLI pero umbral TBD: NO inventar número.

Read the full file on GitHub · 100 lines

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. 2mo ago First seen · 100 lines · 71 tokens per session scan A d47fd0a4883a

Subscribe to this mod's changes

spec-kit-requirements-nfr is a skill published in the GitHub repository lksnext-ai-lab/spec-kit-template (5 stars, last pushed 8mo ago), licensed Apache-2.0. It adds 71 tokens to every session and 1,115 once invoked, about $0.0003 per session on Opus 5.5. 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.

Planning
Related

spec-kit-requirements-nfr compared with skills from other repositories

spec-kit-requirements-nfr next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
spec-kit-requirements-nfrlksnext-ai-lab/spec-kit-templateSkill58mo agoApache-2.0A71Claude Code, Codex
imagegenopenai/codexSkill133kyesterdayApache-2.0A113Codex
playwright-climicrosoft/playwrightSkill99kyesterdayApache-2.0A19Claude Code
local-ai-agentsmicrosoft/ai-agents-for-beginnersSkill79k4d agoMITA200Claude Code, Codex
systematic-debuggingobra/superpowersSkill313k3d agoMITA21Claude Code
next-cache-components-adoptionvercel/next.jsSkill143kyesterdayMITA95Claude Code
next-partial-prefetching-adoptionvercel/next.jsSkill143kyesterdayMITA103Claude Code