勘定科目一覧を取得
AI agents call list_accounts 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 queries and returns account information from the accounting system without creating, modifying, or deleting data. It is a straightforward read operation consistent with other data retrieval tools on the server like 'get_trial_balance_bs' and 'list_invoices'. The blast radius of misuse is minimal—an agent could only view account structures already authorized to the authenticated user.
From the tool's definition Tool name 'list_accounts' and description '勘定科目一覧を取得' (retrieve list of account subjects/chart of accounts) indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
勘定科目一覧を取得. 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 list_accounts: 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.
list_accounts 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 list_accounts 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 list_accounts. 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.
list_accounts 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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