AI agents call get_osd_id to retrieve information from Ceph 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 metadata about Object Storage Daemon (OSD) identifiers and their associated hosts from the Ceph cluster. It performs no writes, deletions, code execution, or financial operations—it simply queries and returns existing cluster configuration information. Misuse would have minimal impact (information disclosure of cluster topology), making it low severity.
From the tool's definition Tool name 'get_osd_id' and description 'Get all OSD IDs and hosts' indicate data retrieval with no modification. The verb 'Get' and the absence of any mutation, deletion, or side-effect language confirm this is a read-only query operation.
Documented attack patterns abuse exactly the kind of access get_osd_id gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ceph MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_osd_id:
{
"version": "1",
"default": "deny",
"tools": {
"get_osd_id": {}
}
}get_osd_id is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all OSD IDs and hosts. It is categorised as a Read tool in the Ceph MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Ceph MCP Server MCP server in PolicyLayer and add a rule for get_osd_id: 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 Ceph MCP Server. Nothing to install.
get_osd_id 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_osd_id 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_osd_id. 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_osd_id is provided by the Ceph MCP Server MCP server (rajmohanram/ceph-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Ceph 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.
18 Ceph MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.