Open source repo

What's inside projectdiscovery/nuclei

projectdiscovery/nuclei is a Go repo with 176,763 lines written in 570 files. nuclei is built with net/http and uses GitHub and AWS S3. AI signed 0.7% of the 5,174 commits of nuclei.

Its description on GitHub: “Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.”

GoMIT32,523

Read on November 1, 2026, at commit df57ae6.

What the card proved: what it’s built with on the left, what it uses on the right.

See each one with its proof

More on this repo

TechnologiesWhat is nuclei built with?nuclei is built with net/http and uses GitHub and AWS S3.

Who writes itHow much of nuclei did AI write?0.7%AI signed 0.7% of the 5,174 commits of nuclei.

In figures

lines written: 176,763; The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
files: 570; The product’s, not counting tests.
test files: 396; The files that test the code.
technologies: 3; Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

Frequently asked questions

What is projectdiscovery/nuclei?

projectdiscovery/nuclei is a Go repo with 176,763 lines written in 570 files. Its description on GitHub: “Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.”

The proof: its page on GitHub

What is nuclei built with?

nuclei is built with net/http and uses GitHub and AWS S3.

The proof: each service with its file and line

How much of nuclei did AI write?

AI signed 0.7% of the 5,174 commits of nuclei.

The proof: the commits each tool signed

What license does nuclei have?

nuclei is released under the MIT license.

The proof: its page on GitHub

How many stars does nuclei have on GitHub?

nuclei had 32,523 stars on GitHub on November 1, 2026.