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getedgehq/remover-metadados-ia-imagens

Remove metadados C2PA e de geração por IA de imagens (PNG, JPEG, WebP) para eliminar rótulos como "Gerado por IA" / "ChatGPT" / "DALL-E" que plataformas como LinkedIn, Instagram e X exibem.

O que é remover-metadados-ia-imagens?

Esta skill permite que agentes de IA removam metadados C2PA e outros vestígios de geração por IA de imagens nos formatos PNG, JPEG e WebP. Muitas plataformas sociais (LinkedIn, Instagram, X) leem esses metadados inseridos por ferramentas como ChatGPT, DALL-E e Midjourney para exibir rótulos de atribuição automática. Ao limpar esses metadados sem re-codificar a imagem, a qualidade visual permanece intacta. A skill inclui um script Python (`scripts/strip_c2pa.py`) que pode ser executado em um ou mais arquivos, gerando cópias com nomes neutros ou substituindo os originais. Também oferece modos de inspeção e verificação para confirmar a remoção. Para casos onde a atribuição está incrustada nos pixels, a skill recomenda o uso do ImageMagick para re-codificação. É útil para desenvolvedores, profissionais de marketing e qualquer pessoa que queira publicar imagens geradas por IA sem rótulos automáticos.

Funciona com~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/getedgehq/skills/tree/main/strip-image-ai-metadata

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Documentação

Remover Metadados de IA de Imagens

Plataformas como LinkedIn leem metadados C2PA inseridos por geradores de imagem por IA (ChatGPT, DALL-E, Midjourney, etc.) e exibem um rótulo de atribuição. Esta skill remove esses metadados sem re-codificar, preservando a qualidade da imagem.

Formatos suportados

  • PNG: remove blocos caBX e blocos tEXt/iTXt/zTXt relacionados a IA
  • JPEG: remove segmentos C2PA APP11 e segmentos APP1 (XMP/EXIF) relacionados a IA
  • WebP: remove blocos C2PA e payload relacionado a C2PA

Uso rápido

Execute o script em uma ou mais imagens:

python3 scripts/strip_c2pa.py imagem.png      # remove metadados + renomeia para IMG_YYYYMMDD_HHMMSS.png
python3 scripts/strip_c2pa.py imagem.jpg -o limpa.jpg
python3 scripts/strip_c2pa.py *.png

Por padrão, o script cria uma cópia limpa com um nome de arquivo neutro no estilo câmera (IMG_YYYYMMDD_HHMMSS.<ext>) no mesmo diretório e deixa o original intacto. Use -i/--in-place para sobrescrever o original, ou -o para um caminho de saída explícito.

Fluxo de trabalho

  1. Inspecionar (opcional): Se o usuário não tiver certeza se uma imagem possui metadados C2PA, execute:

    strings imagem.png | grep -i c2pa

    ou leia blocos PNG com Python para procurar por caBX.

  2. Remover: Execute scripts/strip_c2pa.py <caminho>. O script cria uma cópia com nome neutro por padrão e informa o que foi removido.

  3. Verificar: O script verifica automaticamente a saída em busca de palavras-chave C2PA/IA restantes e emite um aviso se alguma for encontrada.

O que isso NÃO faz

  • Não remove marcas d'água visíveis incrustadas nos pixels.
  • Não remove metadados EXIF padrão, a menos que contenham palavras-chave de atribuição de IA.
  • Não re-codifica, portanto o tamanho do arquivo e a qualidade da imagem permanecem inalterados (exceto pelos metadados removidos).

Quando re-codificar

Se a plataforma ainda exibir um rótulo de IA após a remoção, a atribuição pode estar incrustada nos pixels ou armazenada em um formato não C2PA. Nesse caso, use ImageMagick para decodificar e re-codificar:

convert entrada.png -strip saida.png

Isso é sem perdas para PNG, mas pode causar leve perda de qualidade para JPEG.

Individual skills in this repo

This repo contains 18 individual skills — each has its own dedicated page.

getedgehq/agent-evals

Build evals for an AI agent that already does real work. Use when someone asks "how do I know my agent is right", wants to test an agent before trusting it, compare models on cost versus quality, or turn production failures into tests. Walks from first tasks and yes/no verifiers, to isolated environments, to a trace-driven improvement loop.

getedgehq/cli-ux-review

Audit a command-line tool for user-friendliness — clear situation / next-step / options in every output, colour-highlighted runnable commands, no raw jargon, no silent hangs. Invoke for "CLI UX audit", "review my CLI", "is this CLI intuitive", or before any CLI release.

getedgehq/generate-image

Generate images with OpenAI GPT Image 2 via the Codex CLI, billed through the user's ChatGPT Plus subscription (no OpenAI API key, no per-image API cost). Use when the user asks to create, generate, or make an image, picture, illustration, icon, hero graphic, or concept art from a text prompt.

getedgehq/harness-first

Diagnose and fix an unreliable, expensive, or unsafe LLM agent by auditing its harness (golden set, judge, cost caps, data layer, action approvals, tracing) before blaming or swapping the model. Use when someone says an agent is "burning tokens", "hallucinating", "brittle", gives inconsistent answers, asks whether to switch to a cheaper/better model, or wants to ship an agent or prompt change to customers.

getedgehq/http-error-triage

Run before concluding anything from an HTTP error on a third-party API. Separates a real credential/entitlement problem from a CDN or WAF block, a wrong endpoint, or a client-signature ban. Use whenever an API returns 401/403/402/429 and you are about to say "the key is dead", "credits are exhausted", "the plan lacks access", or "we are rate limited".

getedgehq/linkedin-media-prep

Convert, crop, resize, and compress images and videos for optimal LinkedIn upload quality and file size. Use when the user wants to prepare a photo, image, or video for LinkedIn (profile picture, cover photo, post image, article featured image, post video, or video ad), optimize file size for LinkedIn, crop and resize for LinkedIn dimensions, convert HEIC/RAW/PNG/MOV to LinkedIn-ready JPEG or MP4, or mentions LinkedIn media requirements, specs, or limits.

getedgehq/monid

>-

getedgehq/opendraft

An 18-agent pipeline that turns one topic line into a drafted

getedgehq/people-search

Find and rank professional people for recruiting, partnerships, sales, or research from user-provided data, public web sources, an authenticated search session, or a connected provider. Use for people discovery, LinkedIn or Sales Navigator search design, profile-list ranking, or provider filter translation.

getedgehq/rocketlist

Turn a CV into a shortlist of live startup roles from Rocketlist's public job board, including adjacent job titles the person would never have searched for, each with its published salary, the evidence for the fit, and a direct apply link. Use for "find roles I would be a strong fit for", career pivots, remote or VC-backed job hunts, and salary-visible role discovery.

getedgehq/security-audit-checklist

Run a comprehensive security audit across application code, cloud infrastructure, containers, CI/CD pipelines, and infrastructure-as-code. Covers privacy compliance, OWASP basics, secret leakage, API security, IAM misconfigurations, storage exposure, Kubernetes hardening, and network security. Use when the user asks to audit, review, or harden app or cloud security, check for secrets, scan for XSS/SQLi, verify security headers, review Terraform/CloudFormation, audit AWS/GCP/Azure configs, or perform any security-focused review.

getedgehq/shadcn-first

>-

getedgehq/skills

Develop or review a branded long-form YouTube channel using Simon Kaiser's public creator-led approach: audience fit, recurring formats, natural brand integration, Time with Brand, and an organic, paid, and Shorts strategy. Use for channel strategy, format briefs, and pilots.

getedgehq/skills

Build a YouTube strategy, evidence-backed idea slate, and title plus thumbnail package using Paddy Galloway's public method. Use when planning a channel, choosing concepts, or preparing a video before filming.

getedgehq/skills

Build or review a buyer-centered strategic narrative using Andy Raskin's public method. Use for sales or investor deck stories, homepage positioning, keynotes, launch narratives, and why-now messaging.

getedgehq/skills

Turn a product URL, launch brief, or approved script into a production-ready launch video. Use for product reveals, feature announcements, SaaS launches, and narrated product films; not for generic explainers or editing existing footage.

getedgehq/top-down-comms

>-

getedgehq/workplan

Create, update, or close work plans for multi-step tasks. Use when starting refactors, bug lists, feature work, migrations, or any task with 2+ steps. Also use after auto-compaction to re-orient. Triggers: "workplan", "work plan", "create a plan", "what's the plan", "where was I", or when Claude detects

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