AI · alternatives · 2026
24 alternatives to Shieldelly
Stop malicious AI prompts in 1 API call
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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CtrlAI▲104Transparent proxy that secures AI agents with guardrails
Mar 2026 · github.com · its alternatives →
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Stop malicious prompts before they reach your AI
Dec 2025 · antijection.com · its alternatives →
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Align API▲87Plug-and-play guardrails for your AI application
2023 · alignapi.com · its alternatives →
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Safeguard your prompts before they reach AI
Dec 2025 · preempt-ai.vercel.app · its alternatives →
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promptShield▲11Anonymize client docs before you paste them into AI
Jul 2026 · promptshield.ca · its alternatives →
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AI Safeguard▲14Prevent sensitive data leaks in popular LLM's like ChatGPT
2025 · aisafeguard.co.uk · its alternatives →
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Stop prompt injection attacks with one API call. Free tier.
Apr 2026 · safeprompt.dev · its alternatives →
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Create powerful anti bot solutions for ultimate protection
2025 · addustechnologies.com · its alternatives →
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Intercept, protect, and transform AI prompts and responses
Jan 2026 · ctrlpnl.ai · its alternatives →
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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…
2025 · archestra.ai · its alternatives →
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Stop secrets before they escape.
Dec 2025 · chromewebstore.google.com · its alternatives →
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Your agent team, on your machine. Open-source harness for multi-user Claude agents. - yaodub/cast
Jun 2026 · github.com · its alternatives →
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Every other gateway is detect-and-block. You don't get a security grade. You don't get red team in CI. We built the one that does. PromptGuard is a proxy: change your base URL (one line with our SDK, or a few lines without), and every request gets checked for prompt injection, PII leaks, jailbreaks, and abuse. 20+ threat vectors, 39+ PII types. We also ship a red team suite and an autonomous agent that mutates attacks to find bypasses - you get a grade (A-F) and a GitHub Action that runs these tests on every PR. So you see where you're weak before you ship. Works with OpenAI, Anthropic,…
Dec 2025 · promptguard.co · its alternatives →
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AIProxy▲32Protect your OpenAI key in 5 min with a fully managed proxy
2024 · aiproxy.com · its alternatives →
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Just stop jailbreaks & prompt hacks with one API call.
2025 · expireddomains.com · its alternatives →
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Prompt injection detection API for AI agents
May 2026 · agentshield.pro · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →