Fair-code workflow automation platform for building AI agents and workflows, combining a visual canvas with custom code and 1500+ integrations.
hydro13/tandem-browser
An Electron-based, local-first browser that lets AI agents and a human share the same real logged-in browser session via MCP or HTTP.
Open-source alternative to:Browserbase
Perplexity Comet
OpenAI ChatGPT Atlas
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Key features
- 01Runs inside the user's real logged-in browser session, sharing tabs, cookies, and extensions
- 02Exposes 257 MCP tools and a 300+ endpoint HTTP API for agents
- 03Gives agents page structure through accessibility snapshots and DOM rather than screenshots
- 04Supports remote agent access over Tailscale and multiple agents at once
- 05Includes a password vault, workspaces, bookmarks, and Chrome extension loading
- 06Hands control back to the human for captchas and risky actions
Use cases
- Automating tasks in web apps that offer no public API, using your own logged-in session
- Having an AI agent research or summarize pages in tabs while you keep browsing
- Letting a local or remote AI model operate a browser you can monitor and take over
- Injecting custom UI changes or userscripts into sites you use every day
Topics
FAQ
- What is tandem-browser?
- An Electron-based, local-first browser that lets AI agents and a human share the same real logged-in browser session via MCP or HTTP.
- Is tandem-browser free to use? What license does it have?
- tandem-browser is open source under the MIT license. Check the license terms before using it in commercial products.
- Is tandem-browser still maintained?
- Actively maintained. The last commit to tandem-browser was on Oct 18, 2026.
- What can I use tandem-browser for?
- Automating tasks in web apps that offer no public API, using your own logged-in session Having an AI agent research or summarize pages in tabs while you keep browsing Letting a local or remote AI model operate a browser you can monitor and take over Injecting custom UI changes or userscripts into sites you use every day
- Where can I get tandem-browser?
- The source code and installation instructions are on GitHub: https://github.com/hydro13/tandem-browser
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