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agenticAntigravity & Claude Code & Cursor & Windsurf & Copilot
Custom ePub & Kindle E-Book Publisher (EbookAgent)
Complete AI agent skill for authoring, compiling, and formatting valid ePub 3 and 6x9 Kindle PDF e-books.
$29.00/ lifetime license
ePub 3 Package Compiler: Valid ePub 3 with metadata (DC:title, DC:creator), toc.ncx navigation, nav.xhtml, and embedded CSS optimized for Kindle & Apple Books
6x9 Trade Paperback PDF: Compiles standard 6x9 inch publication layouts with dynamic two-pass canvas page numbering (Page X of Y) and running headers via ReportLab
Automated High-Res Cover Graphic: Dynamically renders 1200x1800 PNG cover graphics using Python Pillow (PIL) tailored to the book theme
Structured E-Book Publishing Architecture: Front matter (Title, Copyright, Preface, TOC), body chapters, and back matter (indices, answer keys, author notes)
One-Command NPX & CLI Installer: Instant global or local workspace installation via npx @mahmudulrubel/custom-epub-creator-skill
Automated Validation: Inspects page metrics, image flowable constraints (340x530 max), and structural integrity with pypdf and ebooklib
agenticAntigravity & Claude Code & Cursor & Windsurf & Copilot
ContextZen Methodology Generator
Generate complete 6-file AI agent context memory architecture and multi-platform entry points for any project.
$29.00/ lifetime license
6-File Core Context Architecture: project-overview.md, architecture.md, ui-context.md, code-standards.md, ai-workflow-rules.md, progress-tracker.md
Multi-Platform Entry Point Generators: Tailored instructions for Claude Code, Google Antigravity, Cursor, and Windsurf
Existing Codebase Scanner ("Reverse Spec"): Automatically inspects package.json, directory trees, Tailwind configs, and DB schemas
Non-Negotiable System Invariants: Enforces strict architecture boundaries and prevents silent regressions
Token-Optimized Memory Structure: Compresses high-density context into under 12k tokens without losing architectural depth
Automated Quality & Completeness Validator: Pre-flight audit checking specification completeness
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