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Claude API integration for building LLM-powered applications across Python, TypeScript, Java, Go, Ruby, C#, and PHP. \n \n Defaults to Claude Opus 4.6 with adaptive thinking and streaming; supports tool use, structured outputs, batches, and file uploads through a single /v1/messages endpoint \n Language detection automatically routes you to the correct SDK documentation; includes decision trees for choosing between single API calls, workflows with tool use, and agentic loops \n Tool runner (beta

Structured workflow for collaboratively authoring documentation, proposals, specs, and similar content. \n \n Guides users through three stages: Context Gathering (closing knowledge gaps), Refinement & Structure (building sections iteratively), and Reader Testing (validating the doc works for fresh readers) \n Supports integration with shared documents, team channels, and templates to pull in context directly when connectors are available \n Uses brainstorming and curation cycles for each s

Apply Anthropic's official brand colors and typography to visual artifacts and designs. \n \n Includes a defined color palette with primary dark/light neutrals, mid and light grays, plus three accent colors (orange, blue, green) \n Applies Poppins font to headings (24pt+) and Lora font to body text, with automatic fallbacks to Arial and Georgia \n Smart color selection based on background context to preserve readability and visual hierarchy \n Works with system-installed fonts; no additional ins

Templates and guidelines for writing company-standard internal communications across multiple formats. \n \n Covers seven communication types: 3P updates, company newsletters, FAQ responses, status reports, leadership updates, project updates, and incident reports \n Each format has a dedicated guideline file in the examples/ directory with specific instructions for tone, structure, and content \n Helps maintain consistency across internal communications by enforcing company-preferred formats an

Create visually-driven design artifacts from philosophical aesthetic movements, expressed as pristine PDF or PNG artworks. \n \n Generates custom design philosophies (aesthetic movements articulated through form, space, color, and composition) as markdown foundations \n Expresses philosophies visually through museum-quality single or multi-page PDF/PNG compositions with minimal, integrated text \n Embeds subtle conceptual references invisibly into abstract compositions, rewarding deeper viewing

Native Python Playwright scripts for testing local web applications with server lifecycle management. \n \n Includes with_server.py helper to automatically start and manage single or multiple servers before running automation scripts \n Supports reconnaissance-then-action workflow: screenshot/inspect rendered DOM, identify selectors, then execute actions with discovered selectors \n Emphasizes waiting for networkidle on dynamic apps before DOM inspection to avoid timing issues \n Provides exampl

Toolkit for creating animated GIFs optimized for Slack with validation and animation utilities. \n \n Provides GIFBuilder for frame assembly, validators to check Slack compliance, and easing functions for smooth motion (bounce, elastic, ease-in-out, etc.) \n Supports emoji GIFs (128x128, under 3 seconds) and message GIFs (480x480) with configurable FPS, color palette, and optimization flags \n Includes animation concepts (shake, pulse, bounce, spin, fade, slide, zoom, particle burst) with code e

Create, read, edit, and manipulate Word documents (.docx files) with full formatting control. \n \n Create new .docx files from scratch using JavaScript with support for headings, tables, images, hyperlinks, footnotes, headers/footers, and table of contents \n Edit existing documents by unpacking XML, making targeted changes (including tracked changes and comments), and repacking with validation \n Extract text and analyze content using pandoc or raw XML access; convert legacy .doc files to .doc

Comprehensive guide for building high-quality MCP servers that connect LLMs to external services. \n \n Four-phase workflow covering research, implementation, testing, and evaluation with language-specific guidance for TypeScript (recommended) and Python \n Emphasizes API coverage over workflow tools, clear tool naming with consistent prefixes, and actionable error messages for agent guidance \n Includes best practices for input/output schemas, pagination, response formatting, and tool annotatio

Generative art creation using p5.js with seeded randomness and parametric exploration. \n \n Creates algorithmic philosophies (computational aesthetic movements) expressed through interactive p5.js sketches with full parameter control \n Supports seeded randomness for reproducible art variations, seed navigation (previous/next/random/jump), and real-time parameter adjustment via sliders and color pickers \n Outputs self-contained HTML artifacts with embedded p5.js code, sidebar controls, and dow