heygen_list_avatars
List all available AI avatars in your HeyGen account.
This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/heygen-list-avatars.md
What heygen_list_avatars does on UnClick
AI agents call heygen_list_avatars to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
api_key | string | Yes | HeyGen API key |
Parameters from the server's own tool schema.
Why heygen_list_avatars is rated Low
This tool queries and returns a list of avatars from the user's HeyGen account. It performs no modifications, deletions, code execution, or financial operations. The blast radius of misuse is minimal — an agent could only enumerate existing avatars, gaining informational access but not altering state or causing harm.
From the tool's definition Tool name contains 'list' and description states 'List all available AI avatars in your HeyGen account' — a pure retrieval operation with no side effects.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
The rule that runs heygen_list_avatars safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For heygen_list_avatars, this is the rule to start with:
heygen_list_avatars is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every heygen_list_avatars call is checked against it from then on.
Questions about heygen_list_avatars
List all available AI avatars in your HeyGen account. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
heygen_list_avatars accepts 1 parameter: api_key. Required: api_key. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for heygen_list_avatars: 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 UnClick. Nothing to install.
heygen_list_avatars 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 heygen_list_avatars 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 heygen_list_avatars. 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.
heygen_list_avatars is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on UnClick, and thousands of servers like it.
This server
Across the catalogue