ui
UI inspection and interaction. tree: accessibility tree. find: search elements. find_tap: fuzzy tap (Android). tap_text: tap by text (Desktop). analyze: screen analysis. wait/assert_visible/assert_gone: element checks.
This record as markdown: /tools/alexgladkov-claude-in-mobile/ui.md
What ui does on Claude Mobile
AI agents invoke ui to trigger actions in Claude Mobile. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why ui is rated High
This tool performs UI interactions (taps, element searches, screen analysis) on real mobile devices and simulators. The interaction capabilities (tap, find_tap, tap_text) trigger real UI actions whose effects depend entirely on what is tapped — an AI agent could tap any button, confirm dialogs, approve permissions, or trigger destructive app actions.
From the tool's definition 'UI inspection and interaction', 'find_tap: fuzzy tap (Android)', 'tap_text: tap by text (Desktop)', 'wait/assert_visible/assert_gone: element checks'
Attacks that exploit this kind of access
The rule that runs ui safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Claude Mobile, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ui, this is the rule to start with:
ui stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Claude Mobile, apply this rule, and every ui call is checked against it from then on.
Questions about ui
UI inspection and interaction. tree: accessibility tree. find: search elements. find_tap: fuzzy tap (Android). tap_text: tap by text (Desktop). analyze: screen analysis. wait/assert_visible/assert_gone: element checks. It is categorised as a Execute tool in the Claude Mobile MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Claude Mobile MCP server in PolicyLayer and add a rule for ui: 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 Claude Mobile. Nothing to install.
ui is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the ui 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.
Set action: deny in the PolicyLayer policy for ui. 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.
ui is provided by the Claude Mobile MCP server (alexgladkov/claude-in-mobile). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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