AI agents call get_all_oceanbase_tenants to retrieve information from Mcp Oceanbase without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about OceanBase tenants. Query operations with no destructive capability default to Read category. The severity is low because listing tenants is informational and carries minimal blast radius—it does not modify data, execute arbitrary code, or trigger financial transactions.
From the tool's definition Tool name 'get_all_oceanbase_tenants' indicates a retrieval operation that lists or queries tenant information without modification. The description is empty, but the function name strongly suggests a read-only list/get operation.
Documented attack patterns abuse exactly the kind of access get_all_oceanbase_tenants gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Oceanbase, and nothing reaches the server without passing your rules. This is the rule we recommend for get_all_oceanbase_tenants:
{
"version": "1",
"default": "deny",
"tools": {
"get_all_oceanbase_tenants": {}
}
}get_all_oceanbase_tenants 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_oceanbase_tenants. It is categorised as a Read tool in the Mcp Oceanbase MCP Server, which means it retrieves data without modifying state.
Register the Mcp Oceanbase MCP server in PolicyLayer and add a rule for get_all_oceanbase_tenants: 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 Mcp Oceanbase. Nothing to install.
get_all_oceanbase_tenants 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_all_oceanbase_tenants 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_all_oceanbase_tenants. 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_all_oceanbase_tenants is provided by the Mcp Oceanbase MCP server (oceanbase/awesome-oceanbase-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 134 Mcp Oceanbase tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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134 Mcp Oceanbase tools catalogued and risk-classified — across an index of 42,500+ MCP servers.