N|Solid DevTools

Node.js DevTools for your editor
and AI agents.

Extension for VS Code, Cursor, and Windsurf. Plugin for AI coding agents. Same Node.js runtime intelligence — where you already work.

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For editors

N|Solid Extension

In your IDE

Works with

VS Code
Cursor
Windsurf
Antigravity

N|Solid Runtime

Runtime Intelligence Layer

Deep visibility. Zero overhead. Built into the Node.js runtime.

For AI agents

N|Solid Plugin

In your agent

Works with

Claude Code
Codex CLI
OpenCode
Pi Agent

Trusted by 2M+ developers in 150+ countries

Node.js developer tools

Node.js production telemetry without the context switch

Production observability in VS Code, Cursor, Windsurf, and AI coding agents — diagnose memory leaks, security risks, and performance regressions without leaving your workflow.

Observability

The code is the dashboard

Live Node.js response times, errors, and cost overlaid on your source.

Security

Hardened at the cursor

Package quality and CVE insights the moment you write an import.

Diagnostics

Alert to root cause

Profile memory leaks and CPU spikes with runtime-native signals.

Benchmarking

Verify before deploy

Run function-level benchmarks from your IDE before shipping.

Explore N|Solid DevTools

Solve performance and security issues fast with N|SolidN|Solid Provides the deepest, most valuable performance and security telemetry in production to help you resolve issues faster.

Solve Memory Leaks

Stop memory leaks from slowing you down. Use N|Solid for fast detection and resolution.

Keep Node.js Apps Secure

Enhance Node.js security with N|Solid. Detect threats and maintain compliance effortlessly.

Real-time Performance

Get real-time insights and optimize performance instantly with N|Solid.

Expert Node.js Support and Services You Can Rely On

Full Lifecycle Support

From development to deployment and beyond, NodeSource offers comprehensive support throughout the entire lifecycle of your Node.js applications. Our experts are here to ensure seamless operations, optimize performance, and resolve issues at any stage.

Expert Services

Access specialized Node.js services tailored to your needs. Whether it's troubleshooting, performance tuning, or scaling your applications, our team of Node.js experts provides the insights and solutions necessary to overcome any challenge.

Node.js Training

Empower your team with in-depth Node.js training from the leaders in the field. Our training programs are designed to enhance your team's skills, covering everything from the basic to advanced topics, ensuring your developers are well-equipped to build and maintain high-quality Node.js applications.

Services

Run your legacy infrastructure with confidence

Stuck on legacy systems?

NodeSource Extended Support for N|Solid Runtime delivers the stability you need to keep your Node.js applications secure and efficient.

Read more here

What our customers have to say

N|Solid is a tremendously efficient and secure runtime. After only a few weeks, it helped us troubleshoot a nasty memory leak.

— Mastercard —

At NASA, mission-critical code is the rule, not the exception. As we transition from a legacy environment to a modern Node-based architecture, N|Solid, along with the support of NodeSource, is proving invaluable by allowing us to scale rapidly while staying focused on our core mission.

— NASA —