clinicjs/node-clinic

Health v2 · maintenance only

Adoption not part of the score

5953 stars · 132 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Clinic.js is an open-source Node.js performance profiling suite that diagnoses issues like event-loop delays, I/O bottlenecks, and memory leaks. It wraps your server process, collects metrics under load, and generates visual reports with recommendations.

Use cases

• diagnose node.js performance issues
• profile nodejs server cpu usage
• find event loop delays in node app
• detect memory leaks in node.js
• analyze i/o bottlenecks in node server
• generate flamegraphs for nodejs application

When to choose

• you need to diagnose why a Node.js server is slow or unresponsive
• you want visual reports (doctor, bubbleprof, flame) with actionable recommendations
• you want to benchmark a server under load while profiling it

When to avoid

• you need actively maintained tooling - the project is no longer actively maintained and may break with newer Node.js versions
• you need profiling for non-Node.js runtimes
• you need production/continuous monitoring rather than local diagnostics

Facets

cli-tool · maturity maintenance

benchmarking monitoring developer-tools cli developer-tools performance cli cross-platform profiling performance-diagnostics nodejs-profiling flamegraph event-loop command-line nodejs

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