Alternatives

Products that do what PromptLock does

The AI firewall that understands compliance context

1. 1
   PromptGuard▲3

   The firewall for AI prompts. Drop-in security for LLM apps.

   Dec 2025 · promptguard.co

2. 2
   Pushary▲333

   Approve AI requests from your lock screen

   Jul 2026 · pushary.com

3. 3
   ClawSecure▲316

   The AI-Powered Antivirus for AI Agents

   Mar 2026 · clawsecure.ai

4. 4
   ClawSecure▲247

   The AI-Powered Antivirus for AI Agents

   May 2026 · clawsecure.ai

5. 5
   PromptLayer▲87

   Trace AI requests, workflows, and costs in one timeline

   May 2026

6. 6
   PIC Standard: AI Action Firewall▲4

   Stop prompt injection from triggering tools.

   Feb 2026 · github.com

7. 7
   Ai-Firewall▲1

   Prompt security analysis

   Nov 2025

8. 8
   Prompt-injection firewall for AI agents▲3

   Block malicious web content before it reaches your AI.

   Jan 2026

9. 9
   promptShield▲11

   Anonymize client docs before you paste them into AI

   Jul 2026 · promptshield.ca

10. 10
    AIVory Guard▲62

    Real-time compliance & security validation for AI coding

    Dec 2025 · aivory.net

11. 11
    Agentlock▲3

    Your AI agent asks. You decide. From your phone.

    May 2026 · agentlock.net

12. 12
    SpecLock▲4

    AI Constraint Engine — Stop LLMs from breaking your code

    Mar 2026 · sgroy10.github.io

13. 13
    AI Guard Copilot▲12

    AI Risk & Compliance Monitoring, On Autopilot.

    Oct 2025

14. 14TO
    Tired of duct-taping access control into agent prompts. Here's the fix▲22

    Jun 2026 · github.com

15. 15
    Shieldelly▲7

    Stop malicious AI prompts in 1 API call

    2025

16. 16
    PhantomWall ▲11

    Ship AI safely in minutes.

    2025

17. 17
    Context Fence▲8

    Runtime firewall for AI coding agents.

    8d ago · contextfence.dev

18. 18
    glc PromptGuard▲3

    Stop prompt injection before it reaches your AI agent

    26d ago · mcp.glc-rag.hu

19. 19
    LegalGuard▲7

    AI Compliance Checker | Privacy Analysis

    Sep 2025

20. 20OS
    Open-Source Gateway to Stop Tool-Abusing Prompt Injections▲9

    Hi HN, Matvey, Ildar, Joey, and Dominik here. If you're building LLM agents that use tools, you're probably worried about prompt injection attacks that can hijack those tools. We were too, and found that solutions like prompt-based filtering or secondary "guard" LLMs can be unreliable. Our thesis is that agent security should be handled at the network level between the agent and the LLM, just like a traditional web application firewall. So we built Archestra Platform: an open-source gateway that acts as a secure proxy for your AI agents. It's designed to be a deterministic firewall against…

    Oct 2025 · archestra.ai

21. 21
    ctrlpnl.ai▲7

    Intercept, protect, and transform AI prompts and responses

    Jan 2026 · ctrlpnl.ai

22. 22
    GitHub▲2

    Local sensitive data & API key blocker for ChatGPT.

    Jun 2026 · github.com

23. 23
    Preempt AI▲3

    Safeguard your prompts before they reach AI

    Dec 2025 · preempt-ai.vercel.app

24. 24
    Airlock▲3

    Redact your prompts on-device before AI ever sees them

    Jul 2026 · airlock.made-by-ac.com

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