Returns a summary of totals grouped by category.
AI agents call get_summary_by_category to retrieve information from Finance MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and summarizes stored transaction data without side effects. It reads financial information but does not create, modify, delete, or execute transactions. The operation is strictly informational, making it a Read category tool with low severity since misuse would only expose data visibility rather than enable destructive or financial actions.
From the tool's definition Tool name and description indicate a retrieval operation: 'Returns a summary of totals grouped by category.' No modification, deletion, or financial transaction occurs; it only aggregates and presents existing data.
Attacks that exploit this kind of access
Returns a summary of totals grouped by category. It is categorised as a Read tool in the Finance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Finance MCP Server MCP server in PolicyLayer and add a rule for get_summary_by_category: 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 Finance MCP Server. Nothing to install.
get_summary_by_category 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_summary_by_category 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_summary_by_category. 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_summary_by_category is provided by the Finance MCP Server MCP server (taylor3lewis/finance-mcp-server). 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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