Get cluster details by name
AI agents call get_cluster_by_name to retrieve information from NDB 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 cluster information by name, which is a read-only query operation. It returns data without modifying, creating, or deleting any resources. The blast radius of misuse is minimal since an agent can only view existing cluster metadata without affecting infrastructure.
From the tool's definition Tool name 'get_cluster_by_name' and description 'Get cluster details by name' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get cluster details by name. It is categorised as a Read tool in the NDB MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NDB MCP Server MCP server in PolicyLayer and add a rule for get_cluster_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 NDB MCP Server. Nothing to install.
get_cluster_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 get_cluster_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 get_cluster_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.
get_cluster_by_name is provided by the NDB MCP Server MCP server (rouxton/ndb-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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