AI agents call nebius_available_services to retrieve information from Nebius MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation to list or retrieve available services. It has no side effects, does not execute commands, does not modify data, and does not delete or create resources. The blast radius of misuse is minimal—an agent can only discover what services exist, which is publicly available information. Confidence is high because the name and description unambiguously describe a retrieval operation.
From the tool's definition Tool name 'nebius_available_services' and description 'Get the available Nebius services' indicate a query operation that retrieves service information without modifying, executing, or deleting resources.
Documented attack patterns abuse exactly the kind of access nebius_available_services gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Nebius MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for nebius_available_services:
{
"version": "1",
"default": "deny",
"tools": {
"nebius_available_services": {}
}
}nebius_available_services is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Get the available Nebius services. It is categorised as a Read tool in the Nebius MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Nebius MCP Server MCP server in PolicyLayer and add a rule for nebius_available_services: 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 Nebius MCP Server. Nothing to install.
nebius_available_services 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 nebius_available_services 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 nebius_available_services. 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.
nebius_available_services is provided by the Nebius MCP Server MCP server (nebius/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Nebius MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
4 Nebius MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.