List transactions linked to a category across wallets.
AI agents call get_related_transactions_by_category to retrieve information from Money Lover 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 returns transaction data filtered by category. It performs no write, delete, execute, or financial operations; it only retrieves information. The severity is low because reading financial data poses minimal risk compared to modifying or deleting it. Confidence is high because the description unambiguously describes a read-only retrieval operation.
From the tool's definition Tool name and description indicate it 'List transactions linked to a category' — a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
List transactions linked to a category across wallets. It is categorised as a Read tool in the Money Lover MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Money Lover MCP Server MCP server in PolicyLayer and add a rule for get_related_transactions_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 Money Lover MCP Server. Nothing to install.
get_related_transactions_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_related_transactions_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_related_transactions_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_related_transactions_by_category is provided by the Money Lover MCP Server MCP server (juansebashr/moneylover-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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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