List your subscribed YouTube channels using Chrome cookies.
AI agents call get_subscribed_channels to retrieve information from Social Video without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves data (subscribed channels) from the user's YouTube account via authenticated cookies. It performs no modifications, deletions, code execution, or financial transactions. While it does access personal subscription data, the capability is read-only and non-destructive, making it a Read category tool with low severity.
From the tool's definition Tool name 'get_subscribed_channels' and description 'List your subscribed YouTube channels' indicate a retrieval operation with no side effects. The description explicitly uses the verb 'List', which is a Read operation.
Attacks that exploit this kind of access
List your subscribed YouTube channels using Chrome cookies. It is categorised as a Read tool in the Social Video MCP Server, which means it retrieves data without modifying state.
Register the Social Video MCP server in PolicyLayer and add a rule for get_subscribed_channels: 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 Social Video. Nothing to install.
get_subscribed_channels 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 get_subscribed_channels 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 get_subscribed_channels. 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.
get_subscribed_channels is provided by the Social Video MCP server (ronantakizawa/social-video-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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