List available HeyGen templates with customizable variables.
AI agents call list_templates to retrieve information from VideoGen Advisor 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 a list of existing templates—a read-only operation that retrieves information without modifying, executing, or deleting anything. It has minimal blast radius if misused; an AI agent can only discover what templates exist, not create unwanted content or cause damage.
From the tool's definition Tool name 'list_templates' and description 'List available HeyGen templates' indicate a retrieval operation with no side effects. The phrase 'with customizable variables' describes what those templates contain, not what the tool does to data.
Attacks that exploit this kind of access
List available HeyGen templates with customizable variables. It is categorised as a Read tool in the VideoGen Advisor MCP Server, which means it retrieves data without modifying state.
Register the VideoGen Advisor MCP server in PolicyLayer and add a rule for list_templates: 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 VideoGen Advisor. Nothing to install.
list_templates 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_templates 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_templates. 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_templates is provided by the VideoGen Advisor MCP server (m2ai-mcp-servers/mcp-videogen-router). 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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