Returns basic image metadata for a video
AI agents call analyze_thumbnail to retrieve information from Youtube-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries image metadata from YouTube videos. It has no side effects, does not modify data, does not execute code or commands, and does not delete or create resources. It is a straightforward data retrieval operation, consistent with Read category tools like 'get' or 'fetch'. The low severity reflects that metadata about thumbnails poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'analyze_thumbnail' and description 'Returns basic image metadata for a video' indicate retrieval of metadata without modification or execution of external operations.
Attacks that exploit this kind of access
Returns basic image metadata for a video. It is categorised as a Read tool in the Youtube-MCP MCP Server, which means it retrieves data without modifying state.
Register the Youtube- MCP server in PolicyLayer and add a rule for analyze_thumbnail: 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 Youtube-MCP. Nothing to install.
analyze_thumbnail 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 analyze_thumbnail 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 analyze_thumbnail. 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.
analyze_thumbnail is provided by the Youtube- MCP server (yashkashte5/youtube-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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