shai (shī) Documentation Examples GitHub
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    • Documentation
      • Quick Start
      • Core Concepts
        • Cellular Development
        • Resource Sets
        • Apply Rules
        • Selective Elevation
        • How Shai Works
      • Configuration Reference
        • Schema Reference
        • Template Expansion
        • Complete Example
      • Docker Images
        • shai-base
        • shai-mega
        • Custom Images
      • Examples
      • Security
      • Go API
      • CLI Reference
      • Troubleshooting
      • Community
      • Comparison
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    Free and open source

    Sandboxing Shell 
    for AI Coding Agents

    Let AI agents run free…  
    without letting them run wild.

    npm install -g @colony2/shai     
    Get Started View on GitHub

    Secure by Default

    Read-only workspace, network filtering, and container isolation protect your system from unintended agent actions.

    Built for Cellular Development

    Establish clear boundaries and guardrails. Agents can read all workspace code for context but only modify designated areas, preventing scope creep and overreach.

    Composable Security Policies

    Resource sets, application rules, and selective elevation provide fine-grained access control.

    Works with Any Tool

    Compatible with Claude Code, Codex, Gemini CLI and any other CLI-based AI coding agent.

    Network Filtering

    HTTP/HTTPS allowlists control exactly which APIs and services your agents can access. Block unwanted connections by default.

    Ephemeral Containers

    Each session runs in a fresh container. No persistent modifications to your system. Exit and it’s gone.

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