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SKILL verified Apache-2.0 Self-run

Video Integration Specialist

skill-felvieira-claude-skills-fv-27-video-integration-specialist · by felvieira

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Install

$ agentstack add skill-felvieira-claude-skills-fv-27-video-integration-specialist

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

Security review passed
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3mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

Video Integration Specialist

Video generativo nao e "imagem que se move" — tem duracao, audio, custo 10-50x maior e latencia em minutos (nao segundos). Esta skill cobre arquitetura, custo, prompt cinematografico e UX de features de video no app, sem tratar o problema como uma extensao trivial de imagem.

Governanca Global

Esta skill segue GLOBAL.md, policies/execution.md, policies/handoffs.md, policies/quality-gates.md, policies/token-efficiency.md, policies/tool-safety.md, policies/verification-before-completion.md e policies/stack-flexibility.md.

Quando Usar

  • integrar text-to-video ou image-to-video numa feature do app
  • desenhar o fluxo assincrono (submit → poll/webhook → entrega) de video generativo
  • definir provider, custo tolerado, duracao, formato e UX de espera
  • escrever prompt cinematografico (camera, movimento, ritmo) reutilizavel

Quando Nao Usar

  • tratar video como imagem sem considerar tempo, audio e custo por segundo
  • gerar asset operacional do kit (banner do repo, etc.) — isso e skill 17 (image)
  • editar video pos-producao tradicional (corte, legenda, mux) — isso e ffmpeg/pipeline de midia, nao geracao

A diferenca fundamental: video e assincrono e caro

| Dimensao | Imagem (skill 17) | Video | |---|---|---| | Latencia | 2-15s | 30s-5min+ | | Custo | $0.002-0.15/img | $0.05-0.50+ por segundo de video | | Padrao de chamada | request/response sincrono | submit → job id → poll ou webhook | | UX | spinner curto | progress + "te aviso quando ficar pronto" | | Falha | barata, retry | cara, retry custa de novo — confirme antes |

Por isso o fluxo NUNCA e sincrono. Bloquear um request HTTP por 3 minutos esperando video e bug.

Providers (panorama — confirme preco atual via models.json/docs)

| Provider | Forte em | Modo | Nota | |---|---|---|---| | FAL.ai (Veo, Kling, Hunyuan, LTX) | acesso unificado, varios modelos, i2v | submit + poll/webhook | preferir como gateway — mesma key, troca de modelo sem reescrever | | Google Veo | qualidade cinematografica, fisica | async | top de linha, caro | | OpenAI Sora | coerencia longa, prompt adherence | async | acesso limitado | | Runway (Gen-3/4) | controle de camera, estetica | async + editor | forte em criativo | | Kling / Hunyuan | custo-beneficio, i2v | async | bom para escala |

Default operacional do kit: rotear via FAL.ai quando possivel (gateway unico, troca de modelo barata). So ir direto ao provider se ele tiver capacidade que o gateway nao expoe.

Base obrigatoria

Consultar (nao reinventar):

  • patterns/ai-integration/video-generation.md — adapter, job lifecycle, storage
  • patterns/ai-integration/prompt-patterns.md — estrutura de prompt
  • patterns/ai-integration/cost-efficiency.md — controle de custo/quota
  • patterns/ai-integration/security.md — moderacao, abuso, NSFW

O fluxo assincrono (padrao de referencia)

1. Usuario submete (texto/imagem + params)
2. App valida + estima custo → confirma se acima de threshold
3. App chama provider.submit() → recebe job_id, persiste {job_id, user, status: queued}
4. Provider processa (minutos). App NAO bloqueia.
5a. WEBHOOK (preferido): provider chama /webhook/video → app atualiza status, notifica user
5b. POLL (fallback): worker consulta status a cada N s com backoff
6. Pronto → baixa o output, move pra storage proprio (S3/R2), gera URL assinada
7. Notifica (in-app, push, email) + thumbnail/preview

Decisoes que importam:

  • webhook > polling quando o provider suporta (sem queimar quota de status)
  • mova o asset pro seu storage — URLs de provider expiram; nao dependa delas
  • idempotencia: webhook pode chegar 2x — dedupe por job_id
  • timeout/dead-job: job que nunca volta precisa de TTL + estado failed

Prompt cinematografico (estrutura)

Video responde a vocabulario de cinema, nao so descricao de cena:

[SUJEITO + ACAO] + [AMBIENTE] + [CAMERA: shot/movimento] + [ILUMINACAO] + [ESTILO] + [RITMO]

Ex: "A woman walks through a neon-lit Tokyo alley at night,
     slow dolly-in following her from behind,
     rain reflecting the signs, cinematic, shallow depth of field,
     24fps film look, calm pacing"

Controles que mais mudam o resultado:

  • movimento de camera: dolly, pan, tilt, orbit, static, handheld
  • shot: wide / medium / close-up / aerial
  • ritmo: slow/calm vs fast/dynamic
  • i2v: a imagem-seed domina a composicao; o prompt controla o movimento, nao a cena

Prompt reutilizavel e responsabilidade compartilhada com skill 26 (prompt-engineer).

Custo — controle antes de liberar

  • video custa por segundo — um clip de 10s pode valer 50-100x um still
  • estimar e confirmar acima de um threshold de custo antes de submeter
  • cachear outputs por (prompt+seed+params) — nunca regenerar o identico
  • quota por usuario (free vs paid) para nao virar vetor de custo aberto
  • preview de baixa resolucao antes do render final caro, quando o provider permite

Anti-padroes frequentes

  • chamada sincrona esperando o video (bloqueia request, estoura timeout)
  • depender da URL do provider (expira) em vez de mover pro storage proprio
  • sem confirmacao de custo → usuario gera 50 clips de 10s, fatura explode
  • webhook sem dedupe/idempotencia → asset duplicado, notificacao dupla
  • sem moderacao no input → geracao de conteudo proibido vira problema legal
  • tratar i2v como t2i (esquecer que a imagem-seed manda na composicao)

Evidencia de Conclusao

  • provider + fluxo assincrono (submit/poll-ou-webhook/storage) definidos
  • custo por segundo estimado, threshold de confirmacao e quota definidos
  • prompt cinematografico especificado (camera/movimento/ritmo)
  • moderacao de input e idempotencia de webhook tratadas

Handoff

  • AI Integration Architect (25) define o adapter/gateway e fallback de provider
  • Prompt Engineer (26) itera o prompt cinematografico reutilizavel
  • Frontend (04) implementa a UX de espera (progress, notificacao)
  • Observability SRE (20) instrumenta latencia, taxa de falha e custo por job
  • Seguir policies/handoffs.md e, quando util, templates/ai-integration-plan.md

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.