Nuclei is a high-performance vulnerability scanner by ProjectDiscovery that uses simple YAML-based templates to detect security issues across applications, APIs, networks, DNS, and cloud configurations. With 27k+ GitHub stars and 12,000+ community-contributed templates, it is the go-to tool for modern vulnerability assessment.
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---
name: "Nuclei Template-Based Vulnerability Scanner"
slug: "nuclei-template-vulnerability-scanner"
description: "Nuclei is a high-performance vulnerability scanner by ProjectDiscovery that uses simple YAML-based templates to detect security issues across applications, APIs, networks, DNS, and cloud configurations. With 27k+ GitHub stars and 12,000+ community-contributed templates, it is the go-to tool for modern vulnerability assessment."
github_stars: 27713
verification: "security_reviewed"
source: "https://github.com/projectdiscovery/nuclei"
category: "Security & Verification"
framework: "Claude Code"
tool_ecosystem:
github_repo: "projectdiscovery/nuclei"
github_stars: 27713
---
# Nuclei Template-Based Vulnerability Scanner
Nuclei is a high-performance vulnerability scanner by ProjectDiscovery that uses simple YAML-based templates to detect security issues across applications, APIs, networks, DNS, and cloud configurations. It is the go-to tool for modern vulnerability assessment.
## Installation
Use the upstream install or setup path that matches your environment:
- go install -v github.com/projectdiscovery/nuclei/v3/cmd/nuclei@latest
Requirements and caveats from upstream:
- nuclei requires **go >= 1.24.2** to install successfully. Run the following command to get the repo:
- -headless enable templates that require headless browser support (root user on Linux will disable sandbox)
- This feature is absolutely free and does not require any subscription. For a detailed guide, refer to the [**documentation**](https://docs.projectdiscovery.io/cloud/scanning/nuclei-scan?utm_source=github&utm_medium=we...
Basic usage or getting-started notes:
- _For security teams and enterprises, we provide a cloud-hosted service built on top of Nuclei OSS, fine-tuned to help you continuously run vulnerability scans at scale with your team and existing workflows:_
- sh
- To learn more about installing nuclei, see https://docs.projectdiscovery.io/tools/nuclei/install.
- Source: https://github.com/projectdiscovery/nuclei
- Extracted from upstream docs: https://raw.githubusercontent.com/projectdiscovery/nuclei/HEAD/README.md
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/nuclei-template-vulnerability-scanner/)
