返回所有可用配音音色，含 id、name、gender、trait（特质描述）、description、tags、suggestedFor 等元数据。AI 据此自动匹配最适合内容调性的音色。
AI agents call list_voices to retrieve information from Flash Cast without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only query operation that retrieves voice metadata to enable voice selection. It does not modify, execute, delete, or perform financial operations. The output is informational metadata used for selection purposes in the video rendering workflow. No side effects occur from calling this tool.
From the tool's definition Tool returns metadata about available voice options: 'returns all available voice timbres, including id, name, gender, trait, description, tags, suggestedFor and other metadata.' The verb is 'returns' and the operation is querying a static list of voice…
Attacks that exploit this kind of access
返回所有可用配音音色，含 id、name、gender、trait（特质描述）、description、tags、suggestedFor 等元数据。AI 据此自动匹配最适合内容调性的音色。. It is categorised as a Read tool in the Flash Cast MCP Server, which means it retrieves data without modifying state.
Register the Flash Cast MCP server in PolicyLayer and add a rule for list_voices: 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 Flash Cast. Nothing to install.
list_voices 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_voices 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_voices. 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_voices is provided by the Flash Cast MCP server (trtian/flash-cast-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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