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github/pdftk-server

Habilidad para usar la herramienta de línea de comandos pdftk (PDFtk Server) para trabajar con archivos PDF. Úsala cuando se te pida fusionar PDFs, dividir PDFs, rotar páginas, cifrar o descifrar PDFs, rellenar formularios PDF, aplicar marcas de agua, superposiciones de sellos, extraer metadatos, separar documentos en páginas, reparar PDFs corruptos, adjuntar o extraer archivos, o realizar cualquier manipulación de PDF desde la línea de comandos.

¿Qué es pdftk-server?

El skill 'github/pdftk-server' proporciona una interfaz experta para la herramienta de línea de comandos PDFtk Server, permitiendo a agentes de IA (como Claude Code) manipular archivos PDF de manera eficiente. Este skill es ideal para tareas comunes como fusionar, dividir, rotar páginas, cifrar/descifrar, y rellenar formularios PDF, así como para operaciones avanzadas como extraer metadatos, reparar archivos corruptos, y aplicar marcas de agua o sellos. Al estar integrado directamente como un skill, el agente puede invocar estas operaciones sin necesidad de recordar comandos complejos, lo que acelera el flujo de trabajo y reduce errores. El skill está soportado en sistemas donde pdftk esté instalado (generalmente Linux, macOS o Windows con WSL) y proporciona una manera estructurada de interactuar con archivos PDF desde el entorno de línea de comandos, siendo especialmente útil para desarrolladores, administradores de sistemas y cualquier usuario que necesite procesar documentos PDF de forma programática.

Compatible con~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/github/awesome-copilot/tree/main/skills/pdftk-server

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Documentación

¿Qué hace pdftk-server?

Habilidad para usar la herramienta de línea de comandos pdftk (PDFtk Server) para trabajar con archivos PDF. Úsala cuando se te pida fusionar PDFs, dividir PDFs, rotar páginas, cifrar o descifrar PDFs, rellenar formularios PDF, aplicar marcas de agua, superposiciones de sellos, extraer metadatos, separar documentos en páginas, reparar PDFs corruptos, adjuntar o extraer archivos, o realizar cualquier manipulación de PDF desde la línea de comandos.

Operaciones principales

  • Fusionar PDFs: Combina múltiples archivos PDF en uno solo usando pdftk archivo1.pdf archivo2.pdf cat output combinado.pdf.
  • Dividir PDFs: Separa un PDF en partes individuales o por rangos de páginas, p. ej., pdftk documento.pdf cat 1-5 output primeras5.pdf.
  • Rotar páginas: Rota páginas específicas, e.g., pdftk entrada.pdf cat 1-endsouth output rotado.pdf (rota todas las páginas hacia el sur).
  • Cifrar/Descifrar: Agrega o elimina protección por contraseña: pdftk entrada.pdf output cifrado.pdf user_pw contraseña.
  • Rellenar formularios PDF: Con datos FDF/XFDF, como pdftk formulario.pdf fill_form datos.fdf output rellenado.pdf.
  • Aplicar marcas de agua o sellos: Superpone contenido, p. ej., pdftk original.pdf stamp marca.pdf output conmarca.pdf.
  • Extraer metadatos: Obtiene metadatos del PDF con pdftk archivo.pdf dump_data.
  • Separar documento en páginas: Divide un PDF en páginas individuales (una página por archivo) usando pdftk archivo.pdf burst.
  • Reparar PDFs corruptos: Intenta reparar un archivo dañado: pdftk corrupto.pdf output reparado.pdf.
  • Adjuntar o extraer archivos: Gestiona archivos adjuntos dentro del PDF.

Notas de uso

  • La herramienta pdftk debe estar instalada en el sistema. Verifica su disponibilidad con which pdftk o pdftk --version.
  • En Windows, se recomienda usar WSL (Subsistema de Windows para Linux) o descargar el ejecutable desde PDFtk Server oficial.
  • Para operaciones básicas, los comandos son directos; para opciones avanzadas, consulta la página de manual (man pdftk) o la ayuda en línea (pdftk --help).
  • Los nombres de archivo con espacios deben ir entre comillas.

Ejemplo rápido

Para combinar dos archivos PDF:

pdftk informe1.pdf informe2.pdf cat output informe_completo.pdf

Para rotar la primera página 90 grados y las restantes mantener igual:

pdftk original.pdf cat 1east 2-end output rotado_parcial.pdf

Nota: El skill se basa en el uso directo de la herramienta de línea de comandos pdftk y no requiere dependencias adicionales más allá de la instalación de pdftk en el sistema.

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

github/acquire-codebase-knowledge

Use this skill when the user explicitly asks to map, document, or onboard into an existing codebase. Trigger for prompts like "map this codebase", "document this architecture", "onboard me to this repo", or "create codebase docs". Do not trigger for routine feature implementation, bug fixes, or narrow code edits unless the user asks for repository-level discovery.

github/add-educational-comments

Add educational comments to the file specified, or prompt asking for file to comment if one is not provided.

github/agent-governance

Patterns and techniques for adding governance, safety, and trust controls to AI agent systems. Use this skill when: - Building AI agents that call external tools (APIs, databases, file systems) - Implementing policy-based access controls for agent tool usage - Adding semantic intent classification to detect dangerous prompts - Creating trust scoring systems for multi-agent workflows - Building audit trails for agent actions and decisions - Enforcing rate limits, content filters, or tool restrictions on agents - Working with any agent framework (PydanticAI, CrewAI, OpenAI Agents, LangChain, AutoGen)

github/agentic-eval

Patterns and techniques for evaluating and improving AI agent outputs. Use this skill when: - Implementing self-critique and reflection loops - Building evaluator-optimizer pipelines for quality-critical generation - Creating test-driven code refinement workflows - Designing rubric-based or LLM-as-judge evaluation systems - Adding iterative improvement to agent outputs (code, reports, analysis) - Measuring and improving agent response quality

github/agent-owasp-compliance

Check any AI agent codebase against the OWASP Agentic Security Initiative (ASI) Top 10 risks. Use this skill when: - Evaluating an agent system's security posture before production deployment - Running a compliance check against OWASP ASI 2026 standards - Mapping existing security controls to the 10 agentic risks - Generating a compliance report for security review or audit - Comparing agent framework security features against the standard - Any request like "is my agent OWASP compliant?", "check ASI compliance", or "agentic security audit"

github/ai-prompt-engineering-safety-review

Comprehensive AI prompt engineering safety review and improvement prompt. Analyzes prompts for safety, bias, security vulnerabilities, and effectiveness while providing detailed improvement recommendations with extensive frameworks, testing methodologies, and educational content.

github/appinsights-instrumentation

Instrument a webapp to send useful telemetry data to Azure App Insights

github/apple-appstore-reviewer

Serves as a reviewer of the codebase with instructions on looking for Apple App Store optimizations or rejection reasons.

github/architecture-blueprint-generator

Comprehensive project architecture blueprint generator that analyzes codebases to create detailed architectural documentation. Automatically detects technology stacks and architectural patterns, generates visual diagrams, documents implementation patterns, and provides extensible blueprints for maintaining architectural consistency and guiding new development.

github/arch-linux-triage

Triage and resolve Arch Linux issues with pacman, systemd, and rolling-release best practices.

github/arize-ai-provider-integration

Creates, reads, updates, and deletes Arize AI integrations that store LLM provider credentials used by evaluators and other Arize features. Supports any LLM provider (e.g. OpenAI, Anthropic, Azure OpenAI, AWS Bedrock, Vertex AI, Gemini, NVIDIA NIM). Use when the user mentions AI integration, LLM provider credentials, create integration, list integrations, update credentials, delete integration, or connecting an LLM provider to Arize.

github/arize-annotation

Creates and manages annotation configs (categorical, continuous, freeform label schemas) and annotation queues (human review workflows) on Arize. Applies human annotations to project spans via the Python SDK. Use when the user mentions annotation config, annotation queue, label schema, human feedback, bulk annotate spans, update_annotations, labeling queue, annotate record, or human review.

github/arize-dataset

Creates, manages, and queries Arize datasets and examples. Covers dataset CRUD, appending examples, exporting data, and file-based dataset creation using the ax CLI. Use when the user needs test data, evaluation examples, or mentions create dataset, list datasets, export dataset, append examples, dataset version, golden dataset, or test set.

github/arize-evaluator

Handles LLM-as-judge evaluation workflows on Arize including creating/updating evaluators, running evaluations on spans or experiments, managing tasks, trigger-run operations, column mapping, and continuous monitoring. Use when the user mentions create evaluator, LLM judge, hallucination, faithfulness, correctness, relevance, run eval, score spans, score experiment, trigger-run, column mapping, continuous monitoring, or improve evaluator prompt.

github/arize-experiment

Creates, runs, and analyzes Arize experiments for evaluating and comparing model performance. Covers experiment CRUD, exporting runs, comparing results, and evaluation workflows using the ax CLI. Use when the user mentions create experiment, run experiment, compare models, model performance, evaluate AI, experiment results, benchmark, A/B test models, or measure accuracy.

github/arize-instrumentation

Adds Arize AX tracing to an LLM application for the first time. Follows a two-phase agent-assisted flow to analyze the codebase then implement instrumentation after user confirmation. Use when the user wants to instrument their app, add tracing from scratch, set up LLM observability, integrate OpenTelemetry or openinference, or get started with Arize tracing.

github/arize-link

Generates deep links to the Arize UI for traces, spans, sessions, datasets, labeling queues, evaluators, and annotation configs. Produces clickable URLs for sharing Arize resources with team members. Use when the user wants to link to or open a trace, span, session, dataset, evaluator, or annotation config in the Arize UI.

github/arize-prompt-optimization

Optimizes, improves, and debugs LLM prompts using production trace data, evaluations, and annotations. Extracts prompts from spans, gathers performance signal, and runs a data-driven optimization loop using the ax CLI. Use when the user mentions optimize prompt, improve prompt, make AI respond better, improve output quality, prompt engineering, prompt tuning, or system prompt improvement.

github/arize-trace

Downloads, exports, and inspects existing Arize traces and spans to understand what an LLM app is doing or debug runtime issues. Covers exporting traces by ID, spans by ID, sessions by ID, and root-cause investigation using the ax CLI. Use when the user wants to look at existing trace data, see what their LLM app is doing, export traces, download spans, investigate errors, or analyze behavior regressions.

github/aspire

Aspire skill covering the Aspire CLI, AppHost orchestration, service discovery, integrations, MCP server, VS Code extension, Dev Containers, GitHub Codespaces, templates, dashboard, and deployment. Use when the user asks to create, run, debug, configure, deploy, or troubleshoot an Aspire distributed application.

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