freee事業所一覧を取得
AI agents call list_companies 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 a list of companies or business locations without creating, modifying, or deleting any data. It is a read-only query operation with minimal blast radius if misused by an AI agent—at worst, the agent could enumerate available companies but could not take actions against them without other tools.
From the tool's definition Tool name 'list_companies' and description indicating retrieval of company/business location list ('freee事業所一覧を取得' = 'retrieve freee business locations list'). The verb 'list' and 'get' indicate data retrieval without modification.
Attacks that exploit this kind of access
freee事業所一覧を取得. 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_companies: 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_companies 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_companies 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_companies. 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_companies 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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