AgentIndex icon
AgentIndex
Viper logo
Viper
★ 5.3k
vs
contrastapi logo
contrastapi
★ 35

Viper vs contrastapi

Viper: VIPER is a powerful and flexible red team platform designed for adversary simulation and cybersecurity assessment. It integrates core tools, an LLM agent, and over 100 post-exploitation modules to efficiently complete red team operations.; contrastapi: ContrastAPI is a security intelligence API and MCP server that offers over 35 endpoints covering CVE lookup, domain reconnaissance, IP reputation, threat intelligence, code security scanning, and more. It is free to use with a rate limit of 100 requests per hour and requires no API key for the free tier. The tool is designed for AI agents and integrates seamlessly with platforms like Claude Desktop, Cursor, VS Code, and Windsurf.

01

TL;DR

Viper logo
ViperSecurity & Safety · ★ 5.3k

Efficiently conducting cybersecurity assessment tasks.

Read Viper full review →
contrastapi logo
contrastapiSecurity & Safety · ★ 35

Perform a comprehensive security audit on a domain, including DNS, SSL, and threat intelligence

Read contrastapi full review →
02

Side-by-Side Comparison

Field
Viper logoViper
contrastapi logocontrastapi
Category
Security & Safety
Security & Safety
Stars
★ 5.3k
★ 35
License
—
MIT
Install Command
git clone https://github.com/FunnyWolf/Viper.git
npm install contrastapi
Updated
4mo ago
2d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
Red Team Platform, Cybersecurity, Adversary Simulation
ai-agents, api, cve
03

Features

Viper logoViper
01Intuitive User-Friendly Interface for rapid task initiation.
02Multi-Platform Support for Windows, Linux, and macOS.
03Comprehensive Red Teaming Tools covering all MITRE ATT&CK phases with over 100 modules.
04Integrated LLM Agent for enhanced automation and intelligent decision-making.
05Custom Extensibility via Python-based module development and advanced functions like defense evasion and pivot graph.
contrastapi logocontrastapi
01One-call full domain report combining DNS, WHOIS, SSL, subdomains, WAF, and IP reputation
02CVE intelligence enriched with EPSS exploit probability and CISA KEV status
03IP reputation via AbuseIPDB and Shodan with 24-hour cache
04Technology fingerprinting for CMS, frameworks, CDN, and analytics
05Free forever with 100 req/hr, no API key required
04

Use Cases

Viper logoViper
↳Efficiently conducting cybersecurity assessment tasks.
↳Executing adversary simulation and red team operations.
↳Automated 24/7 security monitoring and incident response.
contrastapi logocontrastapi
↳Perform a comprehensive security audit on a domain, including DNS, SSL, and threat intelligence
↳Look up CVE details and check if they are actively exploited in the wild
↳Check the reputation of an IP address and enrich it with malware data
FAQ

FAQ

What is the difference between Viper and contrastapi?
Both Viper and contrastapi are in the Security & Safety category. Viper has 5.3k stars, while contrastapi has 35 stars.
Which is better, Viper or contrastapi?
The best choice depends on your use case. Choose Viper if Efficiently conducting cybersecurity assessment tasks., and contrastapi if Perform a comprehensive security audit on a domain, including DNS, SSL, and threat intelligence.
Is Viper free or open source?
Yes, Viper is open source on GitHub.
Is contrastapi free or open source?
Yes, contrastapi is open source on GitHub (MIT).
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