AI · alternatives · 2026
24 alternatives to Kavach
Tactical Zero-Trust OS Firewall for Local AI Agents
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 2 we have checked on their own sites, 2 of them free or with a free tier.
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Kastrafree tier, from $19.99/mo▲332Hi HN, Fernando and I built Kastra. Kastra intercepts AI agent tool calls and evaluates them against deterministic policies before they execute. We built this product to control pre- and post-inference workloads. This is aimed at developers using coding agents like Claude Code, Codex, Cursor, and OpenClaw. Kastra pushes an allow, hold, and deny decision before the action runs. You can build these policies in plain English from the web app. The interception engine evaluates the tools, targets, and parameters of every action at sub 1ms at a scale of billions of interceptions per day. We also…
Jul 2026 · kastra.ai · its alternatives →
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Zero Assist▲108Real-time AI cheating detection for technical interviews
May 2026 · zeroassist.in · its alternatives →
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Self-hosted AI agent that connects 1000+ apps on Vercel
May 2026 · github.com · its alternatives →
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Agentfield▲91Build & scale AI \ agents as microservices with IAM
Dec 2025 · agentfield.ai · its alternatives →
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Security middleware for AI agents and MCP servers
Jun 2026 · pypi.org · its alternatives →
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SupraWall ▲4Open Source deterministic security Firewall for AI agents
May 2026 · supra-wall.com · its alternatives →
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The 0.18ms Zero-Trust AI Firewall for Enterprise Agents.
Aug 2026 · atillayalcin.ai · its alternatives →
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AgentZ▲3Zero Trust Platform to Build, Run Govern AI Agents
Aug 2026 · accuknox.com · its alternatives →
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Runtime firewall for AI coding agents.
Aug 2026 · contextfence.dev · its alternatives →
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A zero-trust security layer between your apps and LLMs
Jan 2026 · its alternatives →
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Runwallfree tier▲9A Runtime security layer that lets AI agents execute safely
Jul 2026 · runwall.vercel.app · its alternatives →
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Security firewall for AI agents. Cloudflare for MCP.
Feb 2026 · agent-wall.github.io · its alternatives →
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Gateplex▲12Real-time governance firewall for autonomous AI agents
May 2026 · gateplex.ai · its alternatives →
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AI-powered firewall that instantly blocks malicious Web3.
Jul 2026 · guardfast.vercel.app · 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 →