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  • Harper Offline Privacy-First Grammar Checker by Automattic

    Harper is an offline, privacy-first grammar checker written in Rust by Automattic. It runs locally with sub-10ms response times, supports LSP for editor integration, compiles to WebAssembly for browser use, and provides grammar, spelling, and style checking without sending text to external servers.

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  • OpenSEO Self-Hosted Keyword Research and SEO Analysis Platform

    OpenSEO is an open-source, self-hostable SEO platform that provides keyword research, domain insights, backlink analysis, and site audits. It serves as a pay-as-you-go alternative to Semrush and Ahrefs, powered by DataForSEO APIs with no subscription required.

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  • Steel Browser Open Source API for AI Agent Web Automation

    Steel Browser is an open-source browser API that provides a batteries-included browser sandbox for AI agents and applications. It handles session management, proxy rotation, anti-detection, and Chrome extension loading so developers can focus on their AI application logic.

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  • Lightpanda Headless Browser for AI Automation

    Lightpanda is a headless browser built from scratch in Zig, purpose-designed for AI agents and web automation. It delivers 11x faster page rendering and 9x lower memory usage than Chrome while maintaining full CDP compatibility with Playwright, Puppeteer, and chromedp.

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  • Front Matter CMS Visual Studio Code Headless CMS

    An agent skill built on Front Matter CMS, the headless content management system that runs directly inside Visual Studio Code. Manages content for static site generators like Hugo, Jekyll, Next.js, Gatsby, and Astro through an editor-native interface with taxonomy management, media handling, and content scaffolding.

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  • Decap CMS Git-Based Content Management for Static Sites

    An agent skill built on Decap CMS (formerly Netlify CMS), the open-source Git-based content management system for static site generators. Provides a visual editing interface backed by Git commits, enabling content workflows for Hugo, Jekyll, Gatsby, Next.js, and other Jamstack frameworks.

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  • SVGO SVG Optimization Tool

    An agent skill built on SVGO (SVG Optimizer), the Node.js tool for optimizing SVG files by applying a configurable set of transformation plugins. Removes unnecessary metadata, simplifies paths, collapses groups, and reduces SVG file sizes for faster web rendering.

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  • BlurHash Compact Image Placeholder Encoder

    An agent skill that uses BlurHash, the compact image placeholder representation algorithm by Wolt, to generate and decode tiny hash strings that represent blurred previews of images. Enables instant placeholder rendering in web and mobile applications while full images load.

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  • imgproxy High-Performance Image Processing Proxy

    An agent skill built on imgproxy, the high-performance Go-based image processing server, enabling on-the-fly image resizing, cropping, format conversion, and optimization through URL-based transformations. Designed for production CDN pipelines and automated media workflows.

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  • Thumbor Smart Image Processing Service

    An agent skill that leverages Thumbor, the open-source smart image processing service by Globo.com, to perform on-demand image cropping, resizing, and filtering with intelligent face and feature detection. Enables automated image optimization pipelines for web applications and content delivery workflows.

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