holaOS
★ 5.4k
vs
contrastapi
★ 28
holaOS vs contrastapi
holaOS: holaOS is an agent environment built for long-horizon work, continuity, and self-evolution. It provides agents with a structured operating system including runtime, memory, tools, apps, and durable state, enabling them to operate continuously, evolve over time, and remain inspectable across different runs.; 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
Choose holaOS if…Building agents that perform complex, multi-step tasks over extended periods
Choose contrastapi if…Perform a comprehensive security audit on a domain, including DNS, SSL, and threat intelligence
02
Side-by-Side Comparison
03
Features
holaOS01Structured operating system for agents
02Designed for long-horizon work and continuity
03Enables agents to self-evolve over time
04Provides durable state and memory for continuous operation
05Offers inspectable state across multiple runs
contrastapi01One-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
holaOS↳Building agents that perform complex, multi-step tasks over extended periods
↳Developing continuously learning and evolving AI systems
↳Creating custom workspace applications on top of the holaOS environment
contrastapi↳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
05
Best For
holaOSTrendingMulti-AgentLLM Infra
contrastapiTrendingSecurity & SafetyAPI Integration
FAQ
FAQ
What is the difference between holaOS and contrastapi?
Both holaOS and contrastapi are in the Dev Tooling category. holaOS has 5.4k stars, while contrastapi has 28 stars.
Which is better, holaOS or contrastapi?
The best choice depends on your use case. Choose holaOS if Building agents that perform complex, multi-step tasks over extended periods, and contrastapi if Perform a comprehensive security audit on a domain, including DNS, SSL, and threat intelligence.
Is holaOS free or open source?
Yes, holaOS is open source on GitHub (MIT).
Is contrastapi free or open source?
Yes, contrastapi is open source on GitHub (MIT).
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