vulnerability_links \u00b7 POST /vulnerabilityLinks/searchByFields \u2014 Get object by connection. Required: from, size, q.
AI agents call vulnerability_links_search_by_fields 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 vulnerability link data with no side effects. It fits the Read category definition: 'retrieves or queries data; no side effects (search, list, get, fetch).' The server explicitly enforces 'read-only safety,' and the search operation does not create, modify, delete, or execute external operations.
From the tool's definition Tool name includes 'search_by_fields' and description indicates it is a search operation via POST to retrieve vulnerability link objects.
Attacks that exploit this kind of access
vulnerability_links \u00b7 POST /vulnerabilityLinks/searchByFields \u2014 Get object by connection. Required: from, size, q. 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 vulnerability_links_search_by_fields: 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.
vulnerability_links_search_by_fields 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 vulnerability_links_search_by_fields 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 vulnerability_links_search_by_fields. 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.
vulnerability_links_search_by_fields 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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