Get keyword metrics including search volume, difficulty, and CPC
AI agents call keyword_overview to retrieve information from Semrush MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool is a straightforward data retrieval operation that queries SEO analytics metrics. It has no side effects, does not modify or delete data, and does not execute code or trigger external actions. The search volume, difficulty scores, and CPC data are read-only metrics. Risk is low because misuse would only expose competitive intelligence, not cause data loss or operational harm.
From the tool's definition Tool retrieves keyword metrics (search volume, difficulty, CPC) with no description of any data modification, deletion, or execution capability. Purely informational query function.
Documented attack patterns abuse exactly the kind of access keyword_overview gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Semrush MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for keyword_overview:
{
"version": "1",
"default": "deny",
"tools": {
"keyword_overview": {}
}
}keyword_overview is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Get keyword metrics including search volume, difficulty, and CPC. It is categorised as a Read tool in the Semrush MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Semrush MCP Server MCP server in PolicyLayer and add a rule for keyword_overview: 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 Semrush MCP Server. Nothing to install.
keyword_overview 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 keyword_overview 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 keyword_overview. 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.
keyword_overview is provided by the Semrush MCP Server MCP server (metehan777/semrush-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Semrush MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
7 Semrush MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.