Agent Device vs Cellar

In-depth architectural comparison of the Agent Device and Cellar MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Agent Device when:

• You need dedicated capabilities in the OS Automation domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Cross-platform support for iOS, Android, tvOS, macOS, Linux, and web, Accessibility tree snapshots with token-efficient element references, UI actions including press, fill, scroll, wait, and alert handling.

Explore Agent Device Details

Choose Cellar when:

• You need dedicated capabilities in the OS Automation domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: ContextElement and ContextSnapshot modeling and merging, Memory trait with session, scope, and write hook support, Local SQLite and vector search memory backend.

Feature & Specification Comparison

Specification	Agent Device callstackincubator OS Automation	Cellar dimpagk92 OS Automation
Summary	Discovery router for the agent-device CLI. Exposes status, install guidance, version-matched help, prompts, and resources for iOS, Android, tvOS, macOS, and Linux automation workflows.	Hybrid computer-use runtime. Fuses accessibility tree + Chrome DevTools Protocol + vision into structured context with per-element confidence. 4 MCP tools (see/act/think/perceive). Continuous awareness engine (Cortex) with freshness + side-effect detection. Works offline with Ollama + local models.
Category & Scope

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "callstackincubator-agent-device": {
      "command": "npx",
      "args": [
        "-y",
        "callstackincubator-agent-device"
      ]
    }
  }
}

{
  "mcpServers": {
    "dimpagk92-cellar": {
      "command": "npx",
      "args": [
        "-y",
        "dimpagk92-cellar"
      ]
    }
  }
}

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