dsh-subagent-agy

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dsh-subagent-agy is an open-source Antigravity CLI (agy) Subagent Provider Plugin for DeepSeek Harness (dsh).

It allows DeepSeek Harness agents to delegate complex coding tasks, multi-file AST refactoring, test generation, and deep reasoning to Google Antigravity (agy cli) running as an autonomous subagent in a child process, returning structured results and diffs back to DSH.

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✨ Features

• 🤖 Native DSH Subagent Seam: Implements DSH's SubagentProvider specification (provider: agy), supporting seamless tool integration, cancellation (AbortSignal), and session isolation.
• 🧠 Context & Token Isolation: Heavy token-consuming coding, build, and test steps remain isolated within Antigravity's child process without cluttering the parent DSH agent's context window.
• ⚙️ Configurable: Supports customizable reasoning efforts (effort: low | medium | high), model selection, and execution modes (accept-edits | plan).
• 🚀 Unattended Execution: Runs non-interactively via agy --print --output-format json --dangerously-skip-permissions.

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📦 Installation & Configuration

1. Install Plugin

In your DSH profile directory:

dsh plugin add dsh-subagent-agy

2. Configure cordis.patch.yml

Add the following to ~/.dsh/profiles/web/cordis.patch.yml:

# 1. Mount agy subagent provider
- insert:
    - id: subagent-agy
      name: 'dsh-subagent-agy'
      config:
        effort: high

# 2. Expose subagent_agy tool to DSH agent
- insert:
    - id: tool-subagent-agy
      name: '@deepseek-ai/dsh-tool-subagent'
      config:
        provider: agy
        toolName: subagent_agy
        maxDepth: provider-managed
        description: 'Delegate complex coding, architecture, and multi-file refactoring to Antigravity CLI'

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⚙️ Configuration

Field	Default	Description
executable	agy	Command name or absolute path to agy / agy.exe
model	(agy default)	Optional model override
effort	high	Reasoning effort level (low | medium | high)
mode	(none)	Execution mode (accept-edits | plan)
env	{}	Extra environment variables
disposeGraceMs	3000	Process termination grace in milliseconds

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📄 License

MIT License