Universal AI IDE Companion &
Mobile Telemetry Bridge

PulseBridge is an open-source, ultra-low-latency remote companion and telemetry bridge designed specifically for AI IDEs including Google Antigravity, Cursor AI, and VS Code. Built in native Rust (Axum 0.7) and React 19, it captures the host desktop screen via Win32 GDI BitBlt memory transfers, compresses frames via TurboJPEG, and streams them to mobile browsers over WebSockets at sub-15ms latency. It allows software engineers to monitor background coding agent execution, inspect live project files, scroll through source code via touch-drag gestures, and inject prompts or stop commands directly from a mobile phone over local Wi-Fi or 4G cellular tunnels.

PulseBridge natively supports Google Antigravity, Cursor AI, Visual Studio Code (VS Code), and Windsurf. It automatically discovers active workspaces by scanning local file systems, including Google Antigravity session transcripts in `%USERPROFILE%\.gemini\antigravity\brain`, Cursor workspace storage, and VS Code user state, providing instant telemetry switching across your editor fleet.

Unlike traditional remote desktop tools (VNC, RDP) that introduce heavy GPU pipeline contention or complex video encoders, PulseBridge utilizes direct Win32 GDI `BitBlt` calls to transfer pixels from the primary display device context (`GetDC(NULL)`) into an in-memory device context (`CreateCompatibleDC`). Frames are compressed using SIMD-accelerated TurboJPEG at adaptive quality factors (60–85%) and broadcasted over binary WebSockets. This achieves sub-15ms frame delivery while consuming less than 1.2% CPU and zero dedicated GPU video encoding engines.

PulseBridge implements a kinetic velocity translation engine in both client-side TypeScript and server-side Rust. When a user drags or swipes on the mobile viewport, touch coordinates are translated into directional vectors. The server injects native Windows `SendInput(MOUSEEVENTF_WHEEL, delta)` events with kinetic momentum decay. This simulates an authentic desktop mouse scroll wheel, enabling smooth, millimeter-accurate scrolling through thousands of lines of code without triggering unwanted text selection or misclicks.

Software engineers frequently maintain dozens of historical repositories on their local workstations. When accessing their environment remotely on a mobile screen, navigating hundreds of stale directories is inefficient. PulseBridge implements an automated recency filter that indexes only workspaces modified within the last 7 to 30 days. It renders a clean depth-2 file tree displaying active files, git status, and file sizes, allowing you to focus on currently running agent tasks.

PulseBridge exposes an authenticated WebSocket command channel. When you submit a prompt from the mobile companion bar, PulseBridge routes the payload into the active IDE's CLI or agent stdin pipe. You can trigger new goals, request test execution (`cargo test`, `npm test`), inspect git status, or send high-priority stop signals (`SIGINT` / agent pause) when you notice a model hallucination while away from your desk.

PulseBridge enforces strict Zero-Trust authentication using cryptographically secure random entropy tokens (generated via `ring` / `rand`). Every incoming HTTP request and WebSocket handshake is verified in constant time (`subtle::ConstantTimeEq`) to prevent side-channel timing attacks. Authentication tokens persist strictly in the mobile device's local storage (`localStorage`) and are never sent to external servers or telemetry brokers.

PulseBridge integrates an automated, zero-configuration Cloudflare Tunnel daemon (`cloudflared`). When remote mode is enabled, PulseBridge establishes an outbound encrypted TLS tunnel to Cloudflare edge nodes, providing a unique pairing URL (e.g. `https://<session-id>.trycloudflare.com/?token=...`). This requires zero router port forwarding, zero dynamic DNS configuration, and zero firewall modifications while keeping your home/office network completely stealth.

No. PulseBridge is 100% self-hosted and zero-telemetry. All screen capture, file indexing, and prompt routing occurs strictly between your local Windows host and your mobile phone over direct LAN Wi-Fi or your private end-to-end encrypted Cloudflare tunnel. No third party, including Infinity AI or Cloudflare, has access to your unencrypted code buffers or LLM prompts.

PulseBridge runs on 64-bit Windows 10 and Windows 11. It compiles into a single, standalone native binary (~18 MB) with zero external runtime dependencies. Minimum hardware requirements: 2 CPU cores, 100 MB free RAM, and any standard Wi-Fi or Ethernet network adapter. Building from source requires Rust 1.75+ with the `msvc` toolchain.

PulseBridge is engineered for extreme efficiency. On the Windows host, the Axum daemon consumes ~18 MB of RAM and 0.8% to 1.4% CPU on an Intel Core i7 / AMD Ryzen 7 processor during active 60 FPS streaming. On the mobile phone, the PWA client runs hardware-accelerated canvas rendering via WebGL/2D, consuming comparable battery power to reading a standard web page.

When you launch the PulseBridge daemon (`cargo run --release`), it renders high-resolution ASCII and SVG QR codes directly in your terminal and logs the local pairing URL. Simply scan the QR code with your iPhone or Android camera app to open the authenticated PWA companion in Safari or Chrome. You can also tap 'Add to Home Screen' for a full-screen, native app experience with zero app store installation required.