Alternatives

Products that do what Runwall does

A Runtime security layer that lets AI agents execute safely

1. 1
   Kastra▲335

   Runtime authorization for Claude, Cursor, Codex and OpenClaw

   Jul 2026 · kastra.ai

2. 2
   Runtime▲303

   Sandboxed coding agents for everyone on your team

   May 2026 · runtm.com

3. 3
   Context Fence▲8

   Runtime firewall for AI coding agents.

   8d ago · contextfence.dev

4. 4
   HOL Guard▲106

   The 1st Firewall for AI Agents

   Jul 2026 · hol.org

5. 5TR
   Tilde.run – Agent sandbox with a transactional, versioned filesystem▲205

   May 2026 · tilde.run

6. 6
   Agentspan▲93

   Open-source runtime for durable AI agents

   May 2026 · orkes.io

7. 7
   Foil▲83

   An AI agent that monitors your AI agents

   Mar 2026 · getfoil.ai

8. 8
   Pegasi▲66

   Control and govern AI agent actions

   May 2026 · pegasi.ai

9. 9
   AgentWatch▲12

   Stop runaway AI agents before they burn your budget

   Jun 2026 · agent-watch.dev

10. 10
    Agent Wall▲3

    Security firewall for AI agents. Cloudflare for MCP.

    Feb 2026 · agent-wall.github.io

11. 11
    RiskKernel▲25

    A kill switch and hard budgets for runaway AI agents

    Jun 2026 · github.com

12. 12SD
    Skrun – Deploy any agent skill as an API▲62

    Apr 2026 · github.com

13. 13OS
    Open-source playground to red-team AI agents with exploits published▲30

    We build runtime security for AI agents. The playground started as an internal tool that we used to test our own guardrails. But we kept finding the same types of vulnerabilities because we think about attacks a certain way. At some point you need people who don't think like you. So we open-sourced it. Each challenge is a live agent with real tools and a published system prompt. Whenever a challenge is over, the full winning conversation transcript and guardrail logs get documented publicly. Building the general-purpose agent itself was probably the most fun part. Getting it to reliably use…

    Mar 2026 · github.com

14. 14
    Clyro▲31

    Control AI agents safely at runtime

    Jun 2026 · clyro.dev

15. 15
    AgentFirewall▲3

    Project AI agents from unsafe actions before they execute.

    27d ago · agentfirewall.launchreadyal.com

16. 16
    OpenBox▲14

    Runtime governance for AI agents, wherever they run

    Jul 2026 · openbox.ai

17. 17
    Greywall▲10

    Local agent sandbox with real-time network control dashboard

    Mar 2026 · greywall.io

18. 18OB
    Open Bias – proxy that enforces agent behavior at runtime▲21

    Apr 2026 · github.com

19. 19
    Reg.run▲2

    The Authorization on Execution (AoE) Layer for AI

    Feb 2026

20. 20
    SafeClaw▲7

    Security-first hosting for AI agents

    Feb 2026 · safeclaw.tech

21. 21
    A firewall, governance tool for AI agent▲2

    blocks multi-step tool-call chains that leak data

    Jun 2026 · github.com

22. 22
    Lineation▲10

    Real-time guardrails for agentic AI and enterprise workflows

    Jul 2026 · lineation.ai

23. 23
    Runctl▲6

    Runctl is infrastructure for running AI agents in production

    Jan 2026

24. 24AR
    Arden – Runtime policy enforcement and governance for AI agents▲8

    May 2026 · arden.sh

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