AI agents call search to retrieve information from gnomAD MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries data from the gnomAD database with no capability to modify, delete, execute code, or perform financial transactions. Search operations are inherently non-destructive read operations. The low severity reflects minimal blast radius—incorrect searches return no results or irrelevant data with no side effects.
From the tool's definition Tool is described as 'Search for genes, variants, or regions in gnomAD' and is part of a set of 'get_*' sibling tools. The parent server description emphasizes 'query genetic variant data' and 'retrieving' information from a read-only GraphQL API database.
Documented attack patterns abuse exactly the kind of access search gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and gnomAD MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for search:
{
"version": "1",
"default": "deny",
"tools": {
"search": {}
}
}search 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.
Search for genes, variants, or regions in gnomAD. It is categorised as a Read tool in the gnomAD MCP Server MCP Server, which means it retrieves data without modifying state.
Register the gnomAD MCP Server MCP server in PolicyLayer and add a rule for search: 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 gnomAD MCP Server. Nothing to install.
search 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 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. 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 is provided by the gnomAD MCP Server MCP server (shukwong/gnomad-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from gnomAD 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.
9 gnomAD MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.