Build a NGSIEM query from a template with parameters.
AI agents call build_query to retrieve information from NGSIEM MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Building a query from a template is a read/preparation operation that generates a query string without executing it or modifying any data. The tool constructs the query for later use (likely by search_and_wait or similar). No side effects are implied. Confidence is moderate since the description is brief and doesn't explicitly confirm it only builds without executing.
From the tool's definition 'Build a NGSIEM query from a template with parameters' - constructs a query string from a template, no indication of execution or data modification
Documented attack patterns abuse exactly the kind of access build_query gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and NGSIEM MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for build_query:
{
"version": "1",
"default": "deny",
"tools": {
"build_query": {}
}
}build_query is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Build a NGSIEM query from a template with parameters. It is categorised as a Read tool in the NGSIEM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NGSIEM MCP Server MCP server in PolicyLayer and add a rule for build_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 NGSIEM MCP Server. Nothing to install.
build_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 build_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 build_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.
build_query is provided by the NGSIEM MCP Server MCP server (rodkinal/cs-ngsiem-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from NGSIEM MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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10 NGSIEM MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.