| What it does | Micro-frontend architecture framework for composing web applications
| Keep your MacBook awake with the lid closed for long-running AI agents and tasks, no external display needed
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| Stage | Not given
| Startup
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Open source
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| Pricing | Not given
| Free 3-day trial (sessions up to 8 hours). Then $9 USD once per Mac, tax included. No subscription.
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| Key features | - Typed host and hostee SDKs for building and embedding features
- CLI for initialization, building, and development with feature.config.*
- Dev server with debug UI for inspecting host/hostee message traffic
- Multiple display modes: embedded, dialog, popup, standalone
- Contract declaration with message validation and schema enforcement
- Optional encryption with v3 and v4 protocols
- Framework-agnostic with support for React, Vue, Angular, vanilla JS
- Lifecycle management with open/close and ready state handling
- Message broker with typed routing and validation
| - Keep MacBook awake with lid closed, no external display or keyboard needed
- Sessions with no limit or custom duration up to 168 hours
- Run on AC power by default, optional battery use down to chosen level
- Built-in display off with lid closed
- Command-line interface with JSON output for AI agents
- Independent watchdog service restores normal sleep after failure
- Thermal cutoff on battery at serious heat levels
- No account, analytics, or logs required
- Works with Claude Code, Codex, Gemini CLI, Cursor and other AI agents
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| What makes it different | - Zero runtime dependencies and self-contained feature packages require no transitive install burden
- Modernize without a rewrite by composing existing applications of any age
- Contract-based type safety with handshake validation and fail-closed security
- Production-ready static file server with optional encryption and message inspection
| - Only keep-awake app with independent watchdog, thermal cutoff, and AI agent interface
- Clamshell mode without external monitor, display, or keyboard
- JSON interface allows agents to start, check, and stop sessions autonomously
- Control agents from your phone while MacBook lid is closed
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 1 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 5 | 0 |
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| Citation Flow (Majestic) | 21 | 0 |
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| Referring domains (Majestic) | 9 | 0 |
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HyperFrontend
Keep Mac Awake