create_linkedin_ads_creative
Create the AD ITSELF on LinkedIn — a CREATIVE inside an existing campaign. A LinkedIn campaign holds no copy and no visual, so until this runs the campaign CANNOT show an impression no matter what its status says; say that rather than calling a campaign
This record as markdown: /tools/hermoso/create-linkedin-ads-creative.md
What create_linkedin_ads_creative does on Hermoso
AI agents use create_linkedin_ads_creative to create or update resources in Hermoso, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Hermoso environment.
Why create_linkedin_ads_creative is rated Medium
An AI agent can call create_linkedin_ads_creative faster than any human can review: one bad instruction and it creates or modifies resources in Hermoso by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs create_linkedin_ads_creative 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 create_linkedin_ads_creative, this is the rule to start with:
create_linkedin_ads_creative stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every create_linkedin_ads_creative call is checked against it from then on.
Questions about create_linkedin_ads_creative
Create the AD ITSELF on LinkedIn — a CREATIVE inside an existing campaign. A LinkedIn campaign holds no copy and no visual, so until this runs the campaign CANNOT show an impression no matter what its status says; say that rather than calling a campaign. It is categorised as a Write tool in the Hermoso MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Hermoso MCP server in PolicyLayer and add a rule for create_linkedin_ads_creative: 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.
create_linkedin_ads_creative is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_linkedin_ads_creative 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 create_linkedin_ads_creative. 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.
create_linkedin_ads_creative 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.
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