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46

Issue 46/October 21, 2026/4 tools · 1 headlines

Recursive harness optimizers and microVM sandboxes that power users actually wire in

Today's picks center on cloneable harness runtimes, recursive improvement loops around fixed models, and hardware-isolated microVM sandboxes. Power users get control planes, memory fabrics, and eval surfaces they can drop into their own agent loops without vendor lock-in.

01 — Power tools

The stack

  1. 01harnessGitHub
    oh-my-hermes↗

    rlaope

    Packages that layer mixture-of-models routing, long-term project memory, priced cost telemetry, and native TUI surfaces onto Hermes Agent for coding and team workflows.

    Use caseUse it to upgrade a Hermes base with subagent teams, memory packs, and live cost HUD without forking the core agent.

    harnessmemoryskillstui
  2. 02toolGitHub
    QwenPaw↗

    agentscope-ai

    Personal AI assistant runtime with multi-chat-app support, extensible skills, MCP, and self-hosted or cloud deploy options.

    Use caseUse it to deploy a personal super-agent that lives in chat apps and grows capabilities via skills.

    toolpersonal-agentskillsmcp
  3. 03harnessGitHub
    nexent↗

    ModelEngine-Group

    Zero-code platform that auto-generates production-grade agents using harness engineering principles with unified tools, skills, memory, and control planes.

    Use caseUse it to generate constrained agent systems with feedback loops and built-in orchestration without writing the loop from scratch.

    harnesszero-codecontrol-plane
  4. 04harnessGitHub
    SandBase Harness↗

    sandbaseai

    Local-first TypeScript runtime with persistent sessions, sandboxed tools, MCP, memory, credentials, audit logs, and replay.

    Use caseUse it to own a self-hosted agent runtime with full audit and replay for long sessions.

    harnesslocal-firstauditmcp

02 — In the wild

Articles and releases

  1. releaseDevOps.com
    Chainguard launches Workspaces for security-first agent isolation↗

    Joab Jackson

    Chainguard released Workspaces in beta, placing agents in hardware-isolated ephemeral microVMs built from zero-CVE Chainguard OS packages. The platform maps agents to repositories and toolchains while using Chainguard Checks for CI-style verification of generated code.

    releasesandboxsecuritymicrovm

    Shipped

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