crow_actual_transactions
List transactions with optional filters. Amounts in cents (negative = expense, positive = income).
This record as markdown: /tools/kh0pper-crow/crow-actual-transactions.md
What crow_actual_transactions does on Crow
AI agents call crow_actual_transactions to retrieve information from Crow without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why crow_actual_transactions is rated Low
This tool retrieves and queries existing transaction records. It does not create, modify, delete, or move money—it only presents historical transaction data filtered by user-specified criteria. While transactions involve financial context, the tool itself performs no financial operations or commitments; it is purely informational. Classification as Read is appropriate.
From the tool's definition Tool description states 'List transactions' with 'optional filters'. The verb 'list' and the read-only framing (presenting transaction data with amounts) indicate data retrieval with no modification, deletion, or side effects.
Attacks that exploit this kind of access
The rule that runs crow_actual_transactions safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crow, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crow_actual_transactions, this is the rule to start with:
crow_actual_transactions is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Crow, apply this rule, and every crow_actual_transactions call is checked against it from then on.
Questions about crow_actual_transactions
List transactions with optional filters. Amounts in cents (negative = expense, positive = income). It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.
Register the Crow MCP server in PolicyLayer and add a rule for crow_actual_transactions: 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 Crow. Nothing to install.
crow_actual_transactions 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 crow_actual_transactions 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 crow_actual_transactions. 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.
crow_actual_transactions is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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