adb_ui_dump

SERVERJshookmcp SOURCE@jshookmcp/jshook

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-vmoranv-jshookmcp/adb-ui-dump.md

WHAT IT DOES

What adb_ui_dump does on Jshookmcp

AI agents call adb_ui_dump to retrieve information from Jshookmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why adb_ui_dump is rated Low

Tool reads and retrieves UI structure data without modifying device state or executing commands.

From the tool's definition Capture Android UI hierarchy via uiautomator dump, returns parsed UI tree

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs adb_ui_dump safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Jshookmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For adb_ui_dump, this is the rule to start with:

adb_ui_dump Allowed

adb_ui_dump is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "adb_ui_dump": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Jshookmcp, apply this rule, and every adb_ui_dump call is checked against it from then on.

FAQ

Questions about adb_ui_dump

What does the adb_ui_dump tool do? +

Capture Android UI hierarchy via uiautomator dump. Runs uiautomator dump on-device, pulls the XML, and returns parsed UI tree. Useful for UI automation verification, layout inspection, and accessibility tree analysis. It is categorised as a Read tool in the Jshookmcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on adb_ui_dump? +

Register the Jshook MCP server in PolicyLayer and add a rule for adb_ui_dump: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Jshookmcp. Nothing to install.

What risk level is adb_ui_dump? +

adb_ui_dump is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit adb_ui_dump? +

Yes. Add a rate_limit block to the adb_ui_dump rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block adb_ui_dump completely? +

Set action: deny in the PolicyLayer policy for adb_ui_dump. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides adb_ui_dump? +

adb_ui_dump is provided by the Jshook MCP server (@jshookmcp/jshook). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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