Sunglasses alternatives

Tools that do what Sunglasses does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Sunglasses.

Read 2026-10-23 · Sunglasses itself: Open source

With a free plan or free to use: Sonatype, AI Security Guard, MCP Defender, S4E, Snyk, Lakera, Constellation Gate AI, SovereignShield.

10 alternativesUnlike Sunglasses

#1
Sonatype Security MCP · sign-in
Hosts artifact repositories and scans open source dependencies, blocking malicious or vulnerable components before they enter builds.
Around longer, since 2008
69.4k
Active
From $1,200/yr
2008
#2
AI Security Guard Security
Detects malicious packages, scans prompts for injection attacks, and monitors agent runtime security.
Also: Agents
675
Maintained
Free
2025
#3
MCP Defender Security
Scans and blocks malicious activity in AI tool calls through a secure proxy between applications and MCP servers.
Same job
257 ★
Maintained
From $29.99/user/mo
#4
S4E Security
Scans websites for vulnerabilities including SQL injection, XSS, misconfigurations, and exposed credentials.
Around longer, since 2022
834
Active
From $119/mo
2022
#5
SkillRisk Security
Scans AI agent skill configurations for supply chain attacks, SSRF vulnerabilities, and prompt injection threats.
Same job
1
Maintained
2026
#6
Snyk Security
Scans source code, open source dependencies, container images and infrastructure-as-code for vulnerabilities, and suggests fixes in the IDE, CLI and pull requests.
Also: Code generation, AgentsMore widely used
63.1k
Active
From $25/mo
2015
#7
Firefox Security
Blocks trackers by default in a web browser and moves bookmarks, passwords and history between devices.
More widely usedAround longer, since 2002
1.2M
Active
2002
#8
Lakera Security
Detects and prevents prompt injection attacks, data leakage, and jailbreaks in AI applications with real-time threat detection.
More widely usedAround longer, since 1993
2.9k
Active
Free plan
1993
#9
Constellation Gate AI Security
Intercepts AI requests to block prompt injection attacks, reduce token usage by 20%, and audit all traffic.
Also: Monitoring
2
Active
From $20/user/mo
#10
SovereignShield Security
Blocks prompt injection attacks and prevents unauthorized actions in AI agent requests before they reach the model.
Same job
24 linking domains
Active
From $5 once

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How this list is made: the words Sunglasses is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.