# Agent-ready extensions and plugins Home > Browse > extensions and plugins 215 verified extensions and plugins sites, 103 of them transactable — every one probed live, with the date it was checked. Figures generated 2026-09-27T07:19:26.699Z Checks passed across the 230 probed hosts: Markdown negotiation 183 · Markdown twin at a predictable URL 134 · llms.txt 187 · API catalog 64 · MCP server card answers 124. - [Web2MD](https://knowngood.sh/site/web2md.org) Web2MD is a Chrome extension and CLI tool that converts webpages to clean Markdown optimized for AI workflows. - [VibeUE](https://knowngood.sh/site/www.vibeue.com) VibeUE is an open-source AI editor toolset and MCP expansion plugin for Unreal Engine 5.8 enabling AI assistants to control the engine via natural language and Python APIs. - [CMDK (formerly Simplehuman)](https://knowngood.sh/site/cmdk.email) CMDK is a Gmail extension adding 80+ shortcuts, a command bar, read receipts, and reminders to enhance email management. - [E2Easy](https://knowngood.sh/site/e2easy.app) E2Easy is a no-code web testing platform that records and replays browser flows as automated tests for QA and product teams. - [Expertizare.ro](https://knowngood.sh/site/expertizare.ro) Expertizare.ro provides certified structural technical expertise for existing buildings including seismic evaluation, consolidation, extensions, and legal compliance in Bucharest. - [Astra](https://knowngood.sh/site/wpastra.com) Astra is a customizable WordPress theme with site builder, templates, and integration with major page builders. - [WPSubscription](https://knowngood.sh/site/wpsubscription.co) WPSubscription offers a WooCommerce plugin for managing recurring payments, split payments, free trials, and subscription management starting at $89/year. - [Hypermatic](https://knowngood.sh/site/www.hypermatic.com) Hypermatic offers premium Figma plugins that automate repetitive production work to save designers 15+ hours weekly. - [Ultimate Addons for Beaver Builder](https://knowngood.sh/site/www.ultimatebeaver.com) Ultimate Addons for Beaver Builder offers custom modules and templates to enhance Beaver Builder productivity. - [AgentDesk](https://knowngood.sh/site/browsertools.agentdesk.ai) Documentation for installing and using BrowserTools MCP to stream Chrome session data to MCP-compatible AI clients. - [活水插件](https://knowngood.sh/site/docs.42plugin.com) 活水插件 is an AI plugin ecosystem platform offering discovery, installation, creation, and sharing of AI plugins via web and CLI. - [ABConvert](https://knowngood.sh/site/docs.abconvert.io) Official documentation for ABConvert, a Shopify app for creating, managing, and analyzing A/B tests across store elements. - [Advanced Tables](https://knowngood.sh/site/docs.advancedtables.com) Documentation for Advanced Tables, a Filament plugin adding customizable views, filters, sorting, and advanced search to tables. - [Aftersell & Upcart Docs](https://knowngood.sh/site/docs.aftersell.com) Documentation site for Aftersell and Upcart Shopify apps providing guides on post-purchase upsells and cart drawer customization. - [AI Puffer](https://knowngood.sh/site/docs.aipower.org) AI Puffer documentation for WordPress modules, providers, knowledge, and usage of AI tools. - [Alpaca](https://knowngood.sh/site/docs.alpacaml.com) Alpaca provides documentation for an AI rendering engine designed for professional artists to enhance creative workflows. - [BirdTab](https://knowngood.sh/site/docs.birdtab.app) BirdTab is a browser extension that replaces new tabs with daily bird photos, calls, facts, and quizzes, available for Chrome and Edge with a free trial for premium features. - [Claude-Mem](https://knowngood.sh/site/docs.claude-mem.ai) Claude-Mem is a persistent memory compression system that preserves context across Claude Code sessions with semantic summaries and search tools. - [DZM Dokumentation](https://knowngood.sh/site/docs.dreizack-medien.de) Official documentation for DZM Plugins providing installation, configuration, and best practices for JTL Shop 5. - [Ducky](https://knowngood.sh/site/docs.duckybot.xyz) Ducky is a multipurpose Discord bot focused on integrating Discord and ERLC server automation with documentation available. - [Factagora](https://knowngood.sh/site/docs.factagora.com) Factagora provides a verifiable knowledge platform with a temporal knowledge graph and API for AI fact verification and tracing. - [Framerfy Docs](https://knowngood.sh/site/docs.framerfy.ae) Documentation for setting up and using Framerfy to connect Shopify stores with Framer via the Storefront API and plugins. - [Frame Up Documentation](https://knowngood.sh/site/docs.frameup.app) Frame Up is a Shopify plugin that adds frames to artworks and places them in virtual rooms to help customers visualize art on their walls. - [Cellm](https://knowngood.sh/site/docs.getcellm.com) Cellm is an Excel extension that integrates Large Language Models into Excel formulas using the =PROMPT() function. - [GladeCore](https://knowngood.sh/site/docs.gladecore.com) GladeCore provides documentation for integrating AI-driven NPC interactions using local LLMs in Unreal Engine and Unity projects. 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