A comprehensive static analysis tool to audit Nginx configuration files for syntax errors, security vulnerabilities, and performance bottlenecks.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install nginx-config-linter
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install nginx-config-linter using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Nginx Config Linter?
The Nginx Config Linter is a specialized diagnostic tool designed for developers and system administrators who need to maintain robust web server environments. As a featured utility within the Openclaw Skills ecosystem, it provides deep inspection of configuration files, going far beyond basic syntax checking to ensure your server follows industry best practices. By incorporating this tool into your Openclaw Skills workflow, you can proactively identify risks like weak SSL protocols, missing security headers, and inefficient buffer settings before they impact your production environment.
Nginx Config Linter Use Cases
- Performing a full security audit on Nginx configurations to identify missing HSTS headers or weak ciphers.
- Validating syntax and checking for unreachable locations before reloading a production server.
- Optimizing web server performance by detecting missing Gzip settings or unoptimized worker connections.
- Automating configuration quality checks in CI/CD pipelines using strict exit codes.
- Scanning entire directories of .conf files recursively to ensure consistency across multiple virtual hosts.
How Nginx Config Linter Works
- The user executes the script against an Nginx configuration file or directory using specific commands like lint, security, or performance.
- The linter parses the configuration logic to identify syntax issues such as missing semicolons or duplicate server names.
- The security module evaluates the config against 15 specific rules, including checkups for SSL/TLS strength and directory listing vulnerabilities.
- The performance module analyzes the settings for caching, compression, and timeout values to ensure maximum efficiency.
- The tool generates a structured report in the user's choice of text, JSON, or Markdown, highlighting findings based on severity levels.
Nginx Config Linter Setup
To utilize this script from your Openclaw Skills library, ensure you have Python 3.x installed on your system. You can run the linter directly from your terminal:
# Lint a single configuration file
python3 scripts/nginx-config-linter.py lint /etc/nginx/nginx.conf
# Perform a comprehensive audit (lint, security, and performance)
python3 scripts/nginx-config-linter.py audit /etc/nginx/nginx.conf
Nginx Config Linter Data Schema & Taxonomy
The Nginx Config Linter organizes its findings into a clear taxonomy of rules and severity levels. This structure allows for easy integration into other Openclaw Skills or reporting tools.
| Feature | Description |
|---|---|
| Rule Categories | Syntax (12 rules), Security (15 rules), Performance (10 rules) |
| Severity Levels | info, warning, error |
| Output Formats | text, json, markdown |
| Exit Codes | 0 (Success), 1 (Findings/Strict mode fail), 2 (Parse/File error) |
Nginx Config Linter Advanced Features
- Recursive directory scanning allows for bulk auditing of complex Nginx environments with many included files.
- CI-ready strict mode ensures that any warning or error triggers a non-zero exit code, perfect for automated testing.
- Flexible output formatting in JSON or Markdown enables easy integration with documentation generators and other Openclaw Skills.
- Granular severity filtering allows users to focus on critical errors while ignoring minor informational suggestions.
SKILL.md
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