Alternatives

Products that do what Shieldelly does

Stop malicious AI prompts in 1 API call

1. 1
   Shieldy▲126

   A zero-config Telegram bot that fights spam in chats

   2018

2. 2
   Agent Browser Shield▲109

   Block prompt inject & cut token costs for AI browser agents

   Jun 2026 · github.com

3. 3
   ClawSecure▲247

   The AI-Powered Antivirus for AI Agents

   May 2026 · clawsecure.ai

4. 4
   CtrlAI▲104

   Transparent proxy that secures AI agents with guardrails

   Mar 2026 · github.com

5. 5
   PromptGuard▲3

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

   Dec 2025 · promptguard.co

6. 6
   Antijection▲2

   Stop malicious prompts before they reach your AI

   Dec 2025 · antijection.com

7. 7
   Lakera Guard▲131

   Protect your LLM applications with a few lines of code.

   2023

8. 8
   Preempt AI▲3

   Safeguard your prompts before they reach AI

   Dec 2025 · preempt-ai.vercel.app

9. 9
   promptShield▲11

   Anonymize client docs before you paste them into AI

   Jul 2026 · promptshield.ca

10. 10
    AgentShield▲5

    A safety shield. One-click rollback when AI goes crazy.

    Jan 2026 · github.com

11. 11
    SafePrompt

    Stop prompt injection attacks with one API call. Free tier.

    Apr 2026 · safeprompt.dev

12. 12
    Heynet▲8

    Block spam calls with your team of AI assistants

    2025

13. 13
    ctrlpnl.ai▲7

    Intercept, protect, and transform AI prompts and responses

    Jan 2026 · ctrlpnl.ai

14. 14OS
    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

15. 15IM
    I made a local proxy for AI tool calls to keep my API keys safe▲5

    May 2026 · github.com

16. 16
    ShieldVault▲5

    Stop secrets before they escape.

    Dec 2025 · chromewebstore.google.com

17. 17
    Zywrap▲3

    Call AI by code, not by prompt

    Feb 2026 · zywrap.com

18. 18
    Patrei API that blocks prompt injection▲6

    Just stop jailbreaks & prompt hacks with one API call.

    Sep 2025

19. 19
    AgentShield▲1

    Prompt injection detection API for AI agents

    May 2026 · agentshield.pro

20. 20
    Prompt-injection firewall for AI agents▲3

    Block malicious web content before it reaches your AI.

    Jan 2026

21. 21
    ShieldNode : Security layer for AI agent▲1

    Designed for AI Agents : API access without your real keys

    Jul 2026 · shieldnode.app

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

    Jun 2026 · github.com

23. 23
    Realphishy.com▲14

    Simple AI-Powered Phishing Email Protection

    2025

24. 24
    SafePaste AI - Privacy Shield

    100% Local Privacy Shield for 10+ AI Platforms

    Feb 2026 · sites.google.com

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