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Tech riderRev. 22 Sept 2026

OpenTabs

Ch 546.1of 63 Browser Automation Tools
  1. 1Runs onBrowser, self-hosted
  2. 2CostsNot stated by the maker
  3. 3Browser enginesone
  4. 4Language supportjavascript
  5. 5Cloud executionNo
  6. 6Self-hosted optionYes
5 lines stated Written from the maker's own pages: opentabs.dev
Visit site Alternatives
The OpenTabs homepage

Overview

OpenTabs is ranked #54 of 63 in browser automation tools on Specifiction. It runs on Browser extension, Self-hosted.

Compared on browser automation tools

Browser engines
oneopentabs.dev
Language support
javascriptopentabs.dev
Cloud execution
Noopentabs.dev
Self-hosted option
Yesopentabs.dev

Facts

Purpose
OpenTabs exposes web apps’ internal APIs as MCP tools that AI agents can use through the user’s logged-in browser session.opentabs.dev · 5 Oct 2026
How it works
An MCP server routes tool calls to the matching browser tab, where a Chrome extension runs them on the web app.opentabs.dev · 5 Oct 2026
Plugins
The site says OpenTabs has 100+ plugins and about 2,000 tools, with examples including Slack, Discord, GitHub, Jira, Notion, Figma, AWS, and Stripe.opentabs.dev · 5 Oct 2026
Browser tools
Built-in tools support browser tasks including tab management, screenshots, DOM interaction, network capture, cookies, and console logs.opentabs.dev · 5 Oct 2026
AI clients
The documented clients include Claude Code, Cursor, Windsurf, and OpenCode; the site also says any MCP client supporting Streamable HTTP can connect.opentabs.dev · 5 Oct 2026
Connection modes
OpenTabs offers Full MCP, Gateway MCP, and CLI modes for using its tools.opentabs.dev · 5 Oct 2026
Security defaults
Plugin tools are disabled by default, and the site says users can have an AI review plugin source before enabling it; plugin updates reset permissions.opentabs.dev · 5 Oct 2026
Audit log
The site says every tool call is logged with what ran, when it ran, and whether it succeeded.opentabs.dev · 5 Oct 2026
Local operation
The product page says OpenTabs runs locally with no cloud and no telemetry, and describes the code as open source under the MIT license.opentabs.dev · 5 Oct 2026
Setup requirements
The installation guide requires Node.js 22 or later and Google Chrome or a Chromium-based browser.opentabs.dev · 5 Oct 2026
Setup limitation
The installation guide instructs users to manually load the Chrome extension in Developer mode using “Load unpacked.”opentabs.dev · 5 Oct 2026
Plugin limitation
The site notes that OpenTabs requires a plugin for each site and that a site’s internal APIs can change.opentabs.dev · 5 Oct 2026
Support
The quick start directs users who remain stuck to open an issue.opentabs.dev · 5 Oct 2026
Intended users
The documentation describes paths for people using existing plugins, building plugins, and contributing to the platform.opentabs.dev · 5 Oct 2026

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Where it ranks on Specifiction

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