How Persistence Works vs Agent Device

In-depth architectural comparison of the How Persistence Works and Agent Device 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 How Persistence Works when:

• You need dedicated capabilities in the OS Automation domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore How Persistence Works Details

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

Feature & Specification Comparison

Specification	How Persistence Works OS Automation	Agent Device callstackincubator OS Automation
Summary	Visual Desktop Bridge - Give any AI full control over Windows to automate apps and inputs.	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.
Category & Scope	OS Automation

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": {
    "bridge-mcp": {
      "url": "https://your-project.fastmcp.app/mcp"
    }
  }
}

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

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