Alternatives

Opa alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Opa

Open Policy Agent (OPA) is an open source, general-purpose policy engine.

100
Quality
90
Trust
12K
Stars
#1

Kyverno

Similarity 122Trust 87Excellent 100

Unified Policy as Code

7.8K starsJun 8, 2026 pushsecurityGoCompliance
$ npx skills add kyverno/kyverno
#2

Wazuh

Similarity 109Trust 86Excellent 100

Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.

16K starsJul 24, 2026 pushsecurityC++Compliance
$ npx skills add wazuh/wazuh
#3

Osv Scanner

Similarity 109Trust 90Excellent 100

Vulnerability scanner written in Go which uses the data provided by https://osv.dev

11K starsJun 20, 2026 pushsecurityGoSecurity
$ npx skills add google/osv-scanner
#4

Vuls

Similarity 109Trust 88Excellent 100

Agent-less vulnerability scanner for Linux, FreeBSD, Container, WordPress, Programming language libraries, Network devices

12K starsJun 12, 2026 pushsecurityGoSecurity
$ npx skills add future-architect/vuls
#5

Lynis

Similarity 103Trust 88Excellent 100

Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.

16K starsMay 11, 2026 pushsecurityShellSecurity
$ npx skills add CISOfy/lynis
#6

Infisical

Similarity 103Trust 80Excellent 100

Infisical is the open-source platform for secrets, certificates, and privileged access management.

27K starsJun 20, 2026 pushsecurityTypeScriptSecurity
$ npx skills add Infisical/infisical
#7

Nuclei

Similarity 103Trust 90Excellent 100

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

29K starsJun 13, 2026 pushsecurityGoSecurity
$ npx skills add projectdiscovery/nuclei
#8

Maigret

Similarity 96Trust 85Excellent 100

🕵️‍♂️ Collect a dossier on a person by username from 3000+ sites

33K starsJun 11, 2026 pushsecurityPythonOSINT
$ npx skills add soxoj/maigret
#9

Zaproxy

Similarity 95Trust 88Excellent 100

The ZAP by Checkmarx Core project

15K starsJun 11, 2026 pushsecurityJavaSecurity
$ npx skills add zaproxy/zaproxy
#10

Instaloader

Similarity 95Trust 89Excellent 100

Download pictures (or videos) along with their captions and other metadata from Instagram.

13K starsApr 15, 2026 pushsecurityPythonOSINT
$ npx skills add instaloader/instaloader
#11

Crucix

Similarity 95Trust 90Excellent 100

Your personal intelligence agent. Watches the world from multiple data sources and pings you when something changes.

10K starsMay 20, 2026 pushsecurityJavaScriptOSINT
$ npx skills add calesthio/Crucix
#12

Shadowbroker

Similarity 95Trust 89Excellent 100

Open-source intelligence for the global theater. Track everything from the corporate/private jets of the wealthy, and spy satellites, to seismic events in one unified interface. Hook an AI agent up to have it parse through data and find previously unseen correlations. The knowledge is available to all but rarely aggregated in the open, until now.

9.2K starsJun 12, 2026 pushsecurityPythonOSINT
$ npx skills add BigBodyCobain/Shadowbroker
#13

Bandit

Similarity 94Trust 87Excellent 100

Bandit is a tool designed to find common security issues in Python code.

8.1K starsMay 25, 2026 pushsecurityPythonSecurity
$ npx skills add PyCQA/bandit
#14

Bbot

Similarity 94Trust 84Excellent 100

The recursive internet scanner for hackers. 🧡

9.9K starsJun 12, 2026 pushsecurityPythonOSINT
$ npx skills add blacklanternsecurity/bbot
#15

Wpscan

Similarity 94Trust 86Excellent 97

WPScan WordPress security scanner. Written for security professionals and blog maintainers to test the security of their WordPress websites. Contact us via contact@wpscan.com

9.6K starsJun 12, 2026 pushsecurityRubySecurity
$ npx skills add wpscanteam/wpscan
#16

Caddy

Similarity 82Trust 86Excellent 100

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

73K starsJun 15, 2026 pushlegal-complianceGoPrivacy
$ npx skills add caddyserver/caddy

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Opa if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.