list_group_testers

THE RISK

Low Risk

Why list_group_testers needs a policy

This tool queries and retrieves information about testers in a beta group. It performs a read-only operation with no capability to modify, delete, or execute external operations. The blast radius is minimal as it only returns existing information.

From the tool's definition Tool name 'list_group_testers' and description 'Get a list of all testers in a specific beta group' indicate a retrieval operation with no data modification or side effects.

Documented attack patterns abuse exactly the kind of access list_group_testers gives an agent:

POLICY

How to control list_group_testers

PolicyLayer is an MCP gateway — it sits between your AI agents and App Store Connect, and nothing reaches the server without passing your rules. This is the rule we recommend for list_group_testers:

policy.json

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

list_group_testers is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register App Store Connect — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More App Store Connect tools

Destructive remove_tester_from_group Remove a tester from a beta group Write add_tester_to_group Add a new tester to a beta group Write create_analytics_report_request Create a new analytics report request for an app Write create_app_store_version Create a new app store version for an app Write create_bundle_id Register a new bundle ID for app development Write disable_bundle_capability Disable a capability for a bundle ID Write enable_bundle_capability Enable a capability for a bundle ID Write update_app_store_version_localization Update a specific field in an app store version localization

All 27 App Store Connect tools →

Read tools on other servers

M-Team MCP Server get_torrent_detail YouTube MCP Server search_channel Android Forensics ADB MCP Server parse_browser_history 0xarchive web3_challenge

Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about list_group_testers

What does the list_group_testers tool do? +

Get a list of all testers in a specific beta group. It is categorised as a Read tool in the App Store Connect MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_group_testers? +

Register the App Store Connect MCP server in PolicyLayer and add a rule for list_group_testers: 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 App Store Connect. Nothing to install.

What risk level is list_group_testers? +

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

Can I rate-limit list_group_testers? +

Yes. Add a rate_limit block to the list_group_testers 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 list_group_testers completely? +

Set action: deny in the PolicyLayer policy for list_group_testers. 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 list_group_testers? +

list_group_testers is provided by the App Store Connect MCP server (joshuarileydev/app-store-connect-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every App Store Connect tool call.

Start from App Store Connect, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →