カスタム辞書に登録されているすべての英単語と読み方を表示します。
AI agents call list_dictionary to retrieve information from Simple Voice 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 and lists existing dictionary entries without creating, modifying, or deleting any data. It is a read-only operation with minimal risk; the blast radius of misuse is very limited, as an agent could only gain visibility into pronunciation mappings that were previously configured on the system.
From the tool's definition Tool description states it 'displays all English words and pronunciations registered in the custom dictionary' (カスタム辞書に登録されているすべての英単語と読み方を表示します) — a pure read/query operation with no modification or side effects.
Attacks that exploit this kind of access
カスタム辞書に登録されているすべての英単語と読み方を表示します。. It is categorised as a Read tool in the Simple Voice MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Simple Voice MCP Server MCP server in PolicyLayer and add a rule for list_dictionary: 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 Simple Voice MCP Server. Nothing to install.
list_dictionary 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_dictionary 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_dictionary. 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_dictionary is provided by the Simple Voice MCP Server MCP server (kurasuai-inc/voice-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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