Alternatives

Products that do what Declaw Arena – a CTF-style challenge to break an AI agent in a microVM does

1. 1HR
   Hal9 – Roblox for AI▲27

   2021 · hal9.ai

2. 2AA
   Agent Armor, a Rust runtime for enforcing policies on AI agent actions▲7

   Apr 2026 · github.com

3. 3BA
   BattleClaws – A battle arena where AI agents fight autonomously▲8

   May 2026 · battleclaws.ai

4. 4ST
   Smux – Terminal Multiplexer built for AI agents▲5

   Mar 2026 · github.com

5. 5WA
   Wmux – a native Windows terminal multiplexer for AI agents▲5

   Jun 2026 · github.com

6. 6RM
   Reusable MCP Playbooks for AI Agents▲9

   Oct 2025 · github.com

7. 7LM
   Labgrid-MCP – let AI agents drive real embedded hardware labs▲8

   Aug 2026 · github.com

8. 8NS
   Nerve – self hosted runtime for AI agents▲6

   May 2026 · github.com

9. 9TE
   The Extensible, Multi-Agent Personal AI Sidekick▲5

   Feb 2026 · github.com

10. 10AA
    Agentic AI framework specialized in DX and function calling▲8

    2025 · github.com

11. 11HA
    Hebbs – a single-binary memory engine for AI agents – sub-10ms▲6

    Mar 2026 · github.com

12. 12AS
    A security scanner for AI Agent Skills▲5

    Apr 2026 · github.com

13. 13K4
    KrillClaw – 49KB AI agent runtime in Zig for $3 microcontrollers▲8

    Feb 2026 · github.com

14. 14ZA
    Zerminal – a terminal-first Zed fork for AI coding agents▲5

    May 2026 · zerminal.dev

15. 15SA
    Selvedge – an MCP server that captures why AI agents change code▲5

    May 2026 · selvedge.sh

16. 16RT
    Rookbot, the World's First AI Virtual Assistant for Debugging▲6

    2019 · rookout.com

17. 17AO
    Agent Office – Slack for (OpenClaw Like) AI Agents▲5

    Mar 2026 · github.com

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