Analyze refunds: total count, amount, refund rate vs successful charges,
AI agents call get_refund_analysis to retrieve information from Indie Metrics without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and analyzes refund metrics (count, amount, rates) but does not create, modify, delete, or reverse refunds themselves. It is a read-only analytical tool. Severity is medium rather than low because refund data is sensitive financial information that could inform unauthorized actions if misused, but the tool itself performs no side effects or state changes.
From the tool's definition Tool name 'get_refund_analysis' and description 'Analyze refunds: total count, amount, refund rate vs successful charges' indicate data retrieval and analysis operations with no modification of records.
Attacks that exploit this kind of access
Analyze refunds: total count, amount, refund rate vs successful charges,. It is categorised as a Read tool in the Indie Metrics MCP Server, which means it retrieves data without modifying state.
Register the Indie Metrics MCP server in PolicyLayer and add a rule for get_refund_analysis: 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 Indie Metrics. Nothing to install.
get_refund_analysis 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 get_refund_analysis 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 get_refund_analysis. 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.
get_refund_analysis is provided by the Indie Metrics MCP server (marccherggi/indie-metrics-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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