opentabs

OpenTabs reverse-engineers internal APIs of web apps and exposes them as MCP tools. It consists of an MCP server and a Chrome extension that routes API calls through your browser sessions, enabling fast and deterministic AI interactions without screenshots or DOM scraping. It supports over 100 plugins covering ~2,000 tools.

opentabs sits in the Browser Automation category, so it is usually better judged by workflow fit, deployment style, and team needs than by isolated features alone. Based on the available metadata, it leans most clearly toward Reverse-engineers internal web app APIs. A representative use case is AI agents performing actions on web apps (e.g., checking stock portfolio, ordering food). The listed license is MIT. GitHub stars are currently 990. Relevant tags include ai-agents, browser-automation.