Get details of a specific cluster
AI agents call cluster_get to retrieve information from MongoDB Atlas 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 configuration and metadata from MongoDB Atlas without making any changes or executing operations. It is a read-only query operation, posing minimal security risk even if misused by an AI agent, as it cannot modify data, delete resources, or trigger financial transactions.
From the tool's definition Tool name and description indicate 'Get details of a specific cluster' — a retrietary operation with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Get details of a specific cluster. It is categorised as a Read tool in the MongoDB Atlas MCP Server MCP Server, which means it retrieves data without modifying state.
Register the MongoDB Atlas MCP Server MCP server in PolicyLayer and add a rule for cluster_get: 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 MongoDB Atlas MCP Server. Nothing to install.
cluster_get 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 cluster_get 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 cluster_get. 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.
cluster_get is provided by the MongoDB Atlas MCP Server MCP server (montumodi/mongodb-atlas-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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