builder▌

Platform-agnostic patterns for building Windows images with Packer.

This skill enables creation of professional CVs/resumes from structured YAML using rendercv. Define your experience once, generate beautiful PDFs in multiple themes.

Build Slack apps with Bolt framework across Python, JavaScript, and Java using Block Kit. \n \n Covers Bolt app foundation with event handling, slash commands, and request verification built-in \n Block Kit UI pattern for rich messages and modals with up to 50 blocks per message and interactive components \n OAuth 2.0 installation flow for multi-workspace distribution with token storage and scope management \n Available in Python, JavaScript (Node.js), and Java with consistent patterns across la

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Build custom Amazon Machine Images with Packer's amazon-ebs builder. \n \n Automates AMI creation from source AMIs using HCL templates with provisioners for customization (shell scripts, file uploads, configuration management) \n Supports multi-region AMI distribution via ami_regions and flexible source AMI filtering by name, owner, and virtualization type \n Authenticates via environment variables, AWS credentials file, or IAM instance profiles; includes validation and build commands for templa

ChatGPT apps are conversational experiences that extend ChatGPT through tools and custom UI widgets. They're built as MCP servers invoked during conversations.

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Design LLM-facing tool schemas that prevent hallucination, silent failures, and token waste. \n \n Focuses on JSON Schema design, input examples, and error handling patterns that help LLMs use tools correctly \n Emphasizes explicit documentation and clear descriptions over implementation details, since LLMs only see the schema \n Identifies anti-patterns like vague descriptions, silent failures, and tool overload that cause agent failures \n Covers function-calling, MCP tools, and tool validatio

Build and deploy MCP servers in Python using FastMCP with tools, resources, and prompts. \n \n Scaffolds a working Python MCP server from a description; supports tools (callable functions), resources (readable data), and prompts (reusable templates) \n Includes local testing modes (direct run, dev mode with auto-reload, HTTP transport) and MCP Inspector integration \n Deploys to FastMCP Cloud, Docker, or Cloudflare Workers; pre-deploy checklist catches common issues like missing module-level ser