This record as markdown: /tools/rsp2k-mcp-vultr/search-os-by-name.md
What search_os_by_name does on Vultr MCP
AI agents call search_os_by_name to retrieve information from Vultr MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why search_os_by_name is rated Low
This is a read-only tool that searches and retrieves operating system information. It has no side effects, performs no modifications, executes no code, and deletes nothing. The blast radius of misuse is minimal—an AI agent could only return unwanted search results, not damage infrastructure or access sensitive data beyond what any authenticated user can query.
From the tool's definition Tool name 'search_os_by_name' and description 'Search operating systems by name' indicate a query operation that retrieves data about available operating systems without modifying any infrastructure or data.
Attacks that exploit this kind of access
The rule that runs search_os_by_name safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Vultr MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For search_os_by_name, this is the rule to start with:
search_os_by_name is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Vultr MCP, apply this rule, and every search_os_by_name call is checked against it from then on.
Questions about search_os_by_name
Search operating systems by name. It is categorised as a Read tool in the Vultr MCP MCP Server, which means it retrieves data without modifying state.
Register the Vultr MCP server in PolicyLayer and add a rule for search_os_by_name: 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 Vultr MCP. Nothing to install.
search_os_by_name 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_os_by_name 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_os_by_name. 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_os_by_name is provided by the Vultr MCP server (rsp2k/mcp-vultr). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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