Side-by-Side Model Context Protocol Comparison
Agent Droid Bridge vs MCP Nixos
In-depth architectural comparison of the Agent Droid Bridge and MCP Nixos 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.
At a Glance & Executive Verdict
Agent Droid Bridge
OS Automation · Local stdio
Quality: 60/100 (Good) | Auth: No auth required
MCP Nixos
OS Automation · Local stdio
Quality: 67/100 (Great) | Auth: No auth required
Verdict Summary: Choose Agent Droid Bridge if you need specialized OS Automation tools running via a local process. Choose MCP Nixos if your workspace requires OS Automation integration with local subprocess execution. Both servers can be configured concurrently in your client's
mcpServers manifest.Which MCP Server Should You Choose?
Choose Agent Droid Bridge 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).
- You have access to required keys:
ADB_EXECUTION_MODE, ADB_ALLOW_SHELL, ADB_PATH, ADB_EXTRA_TOOL_PACKS, MCP_LOG_ENABLED, MCP_LOG_DIR. - Primary tools included: get_ui_hierarchy, tap_screen, swipe_screen.
Choose MCP Nixos 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).
- You have access to required keys:
MCP_NIXOS_TRANSPORT, MCP_NIXOS_HOST, MCP_NIXOS_PORT, MCP_NIXOS_PATH, MCP_NIXOS_STATELESS_HTTP.
Feature & Specification Comparison
Tools & Capabilities Breakdown
Agent Droid Bridge Tools (14)
get_ui_hierarchy
Returns the current Android screen as an XML UI hierarchy.
Use this when you need to locate element coordinates, read text, or find resource IDs to
interact with. Do not call this after every action — only call it when you actually need to
read screen content. To check if the screen changed after an action, use snapshot_ui before
the action and detect_ui_change after.
tap_screen
A tap gesture at the given pixel coordinates on the Android screen.
swipe_screen
A swipe gesture on the Android screen from (x1,y1) to (x2,y2) over the given duration.
type_text
Text input into the currently focused Android input field.
Spaces are encoded automatically.
press_key
A key event sent to the Android device using the given keycode integer.
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).
Agent Droid Bridge Configuration
MCP Nixos Configuration