Search endpoints (assets). RSQL q filter, e.g. q=endpointName==
AI agents call endpoint_search to retrieve information from Vicarius vRx 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 endpoint data using a search filter. It has no side effects, does not modify data, does not execute code or commands, and does not delete anything. It is a straightforward read operation that returns information about assets/endpoints. The server also explicitly mentions 'read-only safety enforcement,' which supports this classification.
From the tool's definition Tool name is 'endpoint_search' and description states 'Search endpoints (assets)' with RSQL filter capability. No modification, deletion, or execution of external operations is indicated. This is a query/search operation.
Attacks that exploit this kind of access
Search endpoints (assets). RSQL q filter, e.g. q=endpointName==. It is categorised as a Read tool in the Vicarius vRx MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Vicarius vRx MCP Server MCP server in PolicyLayer and add a rule for endpoint_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 Vicarius vRx MCP Server. Nothing to install.
endpoint_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 endpoint_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 endpoint_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.
endpoint_search is provided by the Vicarius vRx MCP Server MCP server (space-c0wboy/vicarius-vrx-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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