search_linkedin_ads_targeting
Look up LinkedIn TARGETING entities by name and get their URNs — locations, job titles, industries, seniorities, company sizes, skills, job functions, interests, employers, degrees, fields of study, member behaviours. LinkedIn’s targeting values are opaque URNs (urn:li:geo:103644278 is the United...
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What search_linkedin_ads_targeting does on Hermoso
AI agents call search_linkedin_ads_targeting to retrieve information from Hermoso without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why search_linkedin_ads_targeting is rated Low
Even though search_linkedin_ads_targeting only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs search_linkedin_ads_targeting 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 search_linkedin_ads_targeting, this is the rule to start with:
search_linkedin_ads_targeting is read-only, so it stays allowed. 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 search_linkedin_ads_targeting call is checked against it from then on.
Questions about search_linkedin_ads_targeting
Look up LinkedIn TARGETING entities by name and get their URNs — locations, job titles, industries, seniorities, company sizes, skills, job functions, interests, employers, degrees, fields of study, member behaviours. LinkedIn’s targeting values are opaque URNs (urn:li:geo:103644278 is the United States) with no guessable form, so ALWAYS resolve an audience here before passing it to create_linkedin_ads_campaign, and NEVER invent a URN — a made-up one either 400s or, worse, targets somebody else. If nothing matches, say so plainly. Read-only, free. It is categorised as a Read tool in the Hermoso MCP Server, which means it retrieves data without modifying state.
Register the Hermoso MCP server in PolicyLayer and add a rule for search_linkedin_ads_targeting: 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.
search_linkedin_ads_targeting 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 search_linkedin_ads_targeting 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 search_linkedin_ads_targeting. 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.
search_linkedin_ads_targeting 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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