試算表（損益計算書：PL）を取得
AI agents call get_trial_balance_pl to retrieve information from freee MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves accounting data (P&L statement) from freee without creating, modifying, or deleting any records. It is a non-destructive query of existing financial information. The severity is low because unauthorized retrieval of accounting statements, while sensitive, does not directly alter financial records or trigger transactions. The risk is primarily information disclosure rather than operational harm.
From the tool's definition Tool name 'get_trial_balance_pl' and description 'retrieves trial balance (Profit & Loss statement: PL)' indicate a read-only query operation.
Attacks that exploit this kind of access
試算表（損益計算書：PL）を取得. It is categorised as a Read tool in the freee MCP Server MCP Server, which means it retrieves data without modifying state.
Register the freee MCP Server MCP server in PolicyLayer and add a rule for get_trial_balance_pl: 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 freee MCP Server. Nothing to install.
get_trial_balance_pl 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_trial_balance_pl 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_trial_balance_pl. 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_trial_balance_pl is provided by the freee MCP Server MCP server (unson-llc/freee-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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