patch_package_links \u00b7 POST /patchPackageLinks/searchByFields \u2014 Get object by connection. Required: from, size, q.
AI agents call patch_package_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.
Despite using HTTP POST, this is a search operation that retrieves patch package link data by fields. The description says 'Get object by connection' and the server description explicitly states 'read-only safety enforcement'. No data modification, deletion, or execution is implied.
From the tool's definition 'Get object by connection' — the description indicates retrieval of data; POST /patchPackageLinks/searchByFields is a search/query endpoint
Attacks that exploit this kind of access
patch_package_links \u00b7 POST /patchPackageLinks/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 patch_package_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.
patch_package_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 patch_package_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 patch_package_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.
patch_package_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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