AI agents call analyze_search_query to retrieve information from Pubmed Search without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to analyze or process search queries for academic literature retrieval, which is fundamentally a read operation. No destructive, financial, or write capabilities are evident from the name or server context. The confidence is moderately high despite empty description because the server's stated purpose (literature search and analysis) and the tool name pattern align with read-only operations.
From the tool's definition Tool name 'analyze_search_query' paired with server description emphasizing 'literature search and analysis across multiple academic databases' indicates data retrieval and analysis.
Documented attack patterns abuse exactly the kind of access analyze_search_query gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Pubmed Search, and nothing reaches the server without passing your rules. This is the rule we recommend for analyze_search_query:
{
"version": "1",
"default": "deny",
"tools": {
"analyze_search_query": {}
}
}analyze_search_query is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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analyze_search_query. It is categorised as a Read tool in the Pubmed Search MCP Server, which means it retrieves data without modifying state.
Register the Pubmed Search MCP server in PolicyLayer and add a rule for analyze_search_query: 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 Pubmed Search. Nothing to install.
analyze_search_query 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 analyze_search_query 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 analyze_search_query. 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.
analyze_search_query is provided by the Pubmed Search MCP server (u9401066/pubmed-search-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Pubmed Search, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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63 Pubmed Search tools catalogued and risk-classified — across an index of 43,000+ MCP servers.