hronaut/hronaut
hronaut
TypeScript6updated 3d ago
TypeScript6updated 3d agoGive your coding agent its own browser. Keep yours. A visible desktop browser for coding agents, with a separate workspace for each project. Windows, macOS and Linux, with a local MCP server.
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ai-agentsai-browserbrowser-automationbrowser-mcpchromiumcoding-agentsdeveloper-toolselectronevmmcpmcp-servermodel-context-protocol
README
Hronaut
Hronaut is a visible, persistent Electron browser that exposes durable agent workspaces through MCP. It keeps the browser open independently of any individual AI session, so people can watch, pause, and take over while agents work in separate local browser profiles.
Website · Setup guide · OpenCode guide · Browser MCP guide · Downloads · Issues · Detailed reference
See Hronaut in action
Watch the 35-second product overview, then download Hronaut for Windows, macOS, or Linux.
Not sure which browser model fits your workflow? Read the source-backed Browser MCP decision guide, which compares Hronaut with Playwright MCP, Chrome DevTools MCP, and an extension-based Browser MCP without claiming persistence is unique.
Highlights
- Persistent tabs, cookies, storage, sessions, workspaces, split views, and window state.
- Crowded-session tab search, unmistakable active-tab treatment, and top or collapsible left-side tab layouts.
- Nine appearance choices: System, Light, Dark, Midnight, Sepia, Cyberpunk, Matrix, Machine, and Galactic.
- Local Streamable HTTP MCP endpoint with browser navigation, interaction, inspection, diagnostics, downloads, storage, and accessibility tools.
- Multi-agent workspaces with stable UUIDv7 identities and isolated browser profiles.
- Human-interaction locks, instant MCP pause, explicit permissions, and optional bearer-token authentication.
- Built-in history, bookmarks, downloads, password vault, site controls, responsive preview, visual comparison, and Chromium diagnostics.