This record as markdown: /tools/alexgladkov-claude-in-mobile/appstore-set-notes.md
What appstore_set_notes does on Claude Mobile
AI agents use appstore_set_notes to create or update resources in Claude Mobile, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Claude Mobile environment.
Why appstore_set_notes is rated Medium
This tool modifies TestFlight settings or notes, which is a reversible write operation. While the description is sparse, the combination of 'set' and 'notes' suggests updating existing configuration rather than deletion. The severity is medium because misuse could alter app testing metadata or deployment settings, but the effects are generally reversible and localized to the TestFlight environment.
From the tool's definition Tool name 'appstore_set_notes' and description 'Set TestFlight' indicate modification of TestFlight configuration or metadata. The action creates or modifies data (notes/configuration) on the mobile device or associated services.
Attacks that exploit this kind of access
The rule that runs appstore_set_notes 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 appstore_set_notes, this is the rule to start with:
appstore_set_notes stays usable, but capped: an agent stuck in a loop can't make hundreds of changes 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 appstore_set_notes call is checked against it from then on.
Questions about appstore_set_notes
Set TestFlight. It is categorised as a Write tool in the Claude Mobile MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Claude Mobile MCP server in PolicyLayer and add a rule for appstore_set_notes: 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.
appstore_set_notes is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the appstore_set_notes 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 appstore_set_notes. 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.
appstore_set_notes 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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