Returns the topic categories YouTube has associated with a channel.
AI agents call get_channel_topics 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 only queries and retrieves metadata about a YouTube channel's topic classifications from the YouTube Data API. It performs no writes, deletions, code execution, or financial transactions. The blast radius of misuse is minimal — an agent could retrieve topic information about any public channel, but this is read-only data retrieval with no adverse consequences.
From the tool's definition Tool name is 'get_channel_topics' and description states it 'Returns the topic categories YouTube has associated with a channel' — a pure retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Returns the topic categories YouTube has associated with a channel. 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 get_channel_topics: 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.
get_channel_topics 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_channel_topics 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_channel_topics. 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_channel_topics 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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