List report instances (dated snapshots) for an analytics report. Each instance represents data for a specific processing date. Can filter by granularity (DAILY, WEEKLY, MONTHLY) and processing date.
AI agents call list_analytics_report_instances to retrieve information from Asc without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves analytics report snapshots for inspection purposes only. It queries existing data without creating, modifying, deleting, or executing any side effects. The filtering capability (by granularity and date) is a standard query parameter, not a write or execute operation. Even though it accesses App Store Connect data, the read-only nature and low blast radius if misused classify it as low severity.
From the tool's definition Tool description explicitly states 'List report instances' and 'Can filter by...processing date' — these are query operations with no modification or deletion of data. The verb 'list' and 'filter' are typical Read operations.
Documented attack patterns abuse exactly the kind of access list_analytics_report_instances gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Asc, and nothing reaches the server without passing your rules. This is the rule we recommend for list_analytics_report_instances:
{
"version": "1",
"default": "deny",
"tools": {
"list_analytics_report_instances": {}
}
} list_analytics_report_instances is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List report instances (dated snapshots) for an analytics report. Each instance represents data for a specific processing date. Can filter by granularity (DAILY, WEEKLY, MONTHLY) and processing date. It is categorised as a Read tool in the Asc MCP Server, which means it retrieves data without modifying state.
Register the Asc MCP server in PolicyLayer and add a rule for list_analytics_report_instances: 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 Asc. Nothing to install.
list_analytics_report_instances is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_analytics_report_instances 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 list_analytics_report_instances. 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.
list_analytics_report_instances is provided by the Asc MCP server (asc-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Asc, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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14 Asc tools catalogued and risk-classified — across an index of 43,000+ MCP servers.