update_youtube_channel
APPLY THE BRAND TO THE CHANNEL ITSELF — banner art, description, keywords, country and the trailer non-subscribers see. Every other YouTube tool brands the videos; this brands the page they sit on. Under the hood channels.update is a PUT, so the CURRENT settings are read and merged first — otherw...
This record as markdown: /tools/hermoso/update-youtube-channel.md
What update_youtube_channel does on Hermoso
AI agents call update_youtube_channel to permanently remove resources in Hermoso, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why update_youtube_channel is rated Critical
An AI agent that decides to call update_youtube_channel doesn't hesitate, doesn't double-check, and doesn't stop at one. Whatever it removes from Hermoso is gone. There is no undo for destructive operations.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs update_youtube_channel safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Hermoso, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For update_youtube_channel, this is the rule to start with:
update_youtube_channel is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every update_youtube_channel call is checked against it from then on.
Questions about update_youtube_channel
APPLY THE BRAND TO THE CHANNEL ITSELF — banner art, description, keywords, country and the trailer non-subscribers see. Every other YouTube tool brands the videos; this brands the page they sit on. Under the hood channels.update is a PUT, so the CURRENT settings are read and merged first — otherwise setting a description would silently wipe the channel. It is categorised as a Destructive tool in the Hermoso MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Hermoso MCP server in PolicyLayer and add a rule for update_youtube_channel: 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 Hermoso. Nothing to install.
update_youtube_channel is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the update_youtube_channel 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 update_youtube_channel. 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.
update_youtube_channel is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Hermoso, and thousands of servers like it.
Across the catalogue