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What is Vitals?

Vitals is a developer-first observability tool designed to bring real-time application insights directly into your Visual Studio Code environment.

The Problem

Modern development often involves a constant cycle of context switching:

1. Write code in VS Code.
2. Switch to a terminal to check logs.
3. Switch to a browser (Grafana/Prometheus) to check metrics.
4. Switch back to VS Code to fix issues.

This friction breaks your flow and slows down the feedback loop.

The Solution

Vitals integrates these essential observability signals right where you work. By connecting directly to your local or remote Prometheus instance, Vitals provides a unified view of your application's health without you ever leaving the editor.

Key Capabilities

Real-Time Metrics

Visualize critical system and application metrics—such as CPU usage, memory consumption, and request latency—with beautiful, auto-updating charts. Vitals uses @observablehq/plot to render high-performance visualizations that look native to VS Code.

Live Log Stream

Debug faster with a terminal-like log viewer. It features syntax highlighting for log levels (INFO, WARN, ERROR) and auto-scrolling, giving you immediate visibility into your application's behavior as you test it.

Instant Alerts

Never miss a critical issue. The Alerts Panel shows you firing and pending Prometheus alerts in real-time, complete with status indicators and detailed descriptions.

Design Philosophy

• Zero Configuration: We believe tools should just work. Vitals detects standard local Prometheus setups automatically.
• Aesthetic & Native: The UI is built to blend seamlessly with VS Code's design system, respecting your theme and layout preferences.
• Performance First: Built with a lightweight architecture that ensures your editor remains snappy, even when streaming data.

Who is this for?

• Backend Developers building microservices who need to see the impact of their changes immediately.
• SREs debugging incidents who want to correlate code with metrics.
• Full Stack Engineers who prefer a unified development environment.

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Ready to get started? Check out the Quick Start Guide.