# YLS Language Server for YARA Language

YLS Language Server for YARA Language is a Detection Engineering product. It runs on-premises. Pricing is free.

YLS Language Server for YARA Language with comprehensive features and Python 3.8 support.

Checked October 2026.

## What is YLS Language Server for YARA Language?

🚀 Features: Code completion of all available modules (including function parameters)
Function documentation for hovers and code completion
Opinionated code formatting
Signature help
Linting
Go-to definition and references
Symbol highlighting under the cursor
Debugging using yari
For more information, check out: Blog post Wiki
🐍 Minimal supported version of Python is 3.8.

Installation
To setup your environment please follow instructions on wiki.

How to develop
Install YLS in development mode with all necessary dependencies. poetry install

Tests
You can run tests with the following command: poetry run pytest

License
Copyright (c) 2022 Avast Software, licensed under the MIT license. See the LICENSE file for more details. YLS and its related projects use third-party libraries or other resources listed, along with their licenses, in the LICENSE-THIRD-PARTY file.

FAQ
Why are you using pluggy? Some parts depend on our internal services, however we are working on making most of the code available. This is just the first piece.

Tags: Cyber Threat Intelligence, MITRE ATT&CK

## Quick facts

- Category: [Security Operations](https://cybersectools.com/categories/security-operations) · [Detection Engineering](https://cybersectools.com/categories/detection-engineering)
- Deployment: On-Premises
- Company size fit: Startup, SMB, Mid-Market, Enterprise
- Pricing model: Free
- GitHub stars: 74
- Website: github.com

## Where it ranks

No shortlist covers this product's category yet. The closest is [Best MDR Solutions for Business](https://cybersectools.com/shortlists/best-mdr-solutions).

## YLS Language Server for YARA Language FAQ

### What is YLS Language Server for YARA Language?

YLS Language Server for YARA Language is a product in the Detection Engineering category. It covers Cyber Threat Intelligence and MITRE ATT&CK.

### What is the pricing for YLS Language Server for YARA Language?

YLS Language Server for YARA Language is free. Download and setup instructions are at https://github.com/avast/yls/.

### What are alternatives to YLS Language Server for YARA Language?

Alternatives to YLS Language Server for YARA Language listed on CybersecTools:

1. [detections.ai Detections](https://cybersectools.com/tools/detectionsai-detections) - Community platform for sharing and creating detection rules with AI (Commercial)
2. [SOC Prime Threat Detection Marketplace](https://cybersectools.com/tools/soc-prime-threat-detection-marketplace) - Threat detection marketplace with Sigma rules for SIEM and shift-left detection (Commercial)
3. [Sesame IT HOSHI](https://cybersectools.com/tools/sesame-it-hoshi) - Curated attack use case platform that feeds threat scenarios into Jizô AI. (Commercial)
4. [Anvilogic AI SOC](https://cybersectools.com/tools/anvilogic-ai-soc) - AI-powered SOC platform for detection engineering across SIEMs & data lakes (Commercial)
5. [Binary Defense Threat Hunting](https://cybersectools.com/tools/binary-defense-threat-hunting) - A managed security service that uses hypothesis-based threat hunting to proactively discover hidden threats, create new detection rules, and improve overall security posture. (Commercial)

Compare all YLS Language Server for YARA Language alternatives at [https://cybersectools.com/alternatives/yls-language-server-for-yara-language](https://cybersectools.com/alternatives/yls-language-server-for-yara-language)

### What deployment and organization size does YLS Language Server for YARA Language fit?

YLS Language Server for YARA Language is available as on-premises software. It is listed for startups, small businesses, mid-market companies and enterprises. It is free.

## Compare YLS Language Server for YARA Language with similar solutions

- [YLS Language Server for YARA Language vs detections.ai Detections](https://cybersectools.com/compare/detectionsai-detections-vs-yls-language-server-for-yara-language)
- [YLS Language Server for YARA Language vs SOC Prime Threat Detection Marketplace](https://cybersectools.com/compare/soc-prime-threat-detection-marketplace-vs-yls-language-server-for-yara-language)
- [YLS Language Server for YARA Language vs Sesame IT HOSHI](https://cybersectools.com/compare/sesame-it-hoshi-vs-yls-language-server-for-yara-language)

All alternatives to YLS Language Server for YARA Language: [/alternatives/yls-language-server-for-yara-language](https://cybersectools.com/alternatives/yls-language-server-for-yara-language)

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Source: https://cybersectools.com/tools/yls-language-server-for-yara-language

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL).

More on YLS Language Server for YARA Language: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md