Get all commands in a specific category. Useful for finding commands when you know the general area (e.g.,
AI agents call hana_discover_by_category to retrieve information from SAP HANA CLI 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 available SAP HANA commands organized by category. It has no side effects, does not execute commands, does not modify data, and does not delete or move resources. It is purely informational, making it a Read-category tool with low severity risk.
From the tool's definition Tool description indicates it 'Get all commands in a specific category' — a retrieval and query operation with no modification or execution of data. The verb 'Get' and the read-only nature of discovering/listing commands confirm this is a Read operation.
Attacks that exploit this kind of access
Get all commands in a specific category. Useful for finding commands when you know the general area (e.g.,. It is categorised as a Read tool in the SAP HANA CLI MCP Server, which means it retrieves data without modifying state.
Register the SAP HANA CLI MCP server in PolicyLayer and add a rule for hana_discover_by_category: 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 SAP HANA CLI. Nothing to install.
hana_discover_by_category 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 hana_discover_by_category 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 hana_discover_by_category. 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.
hana_discover_by_category is provided by the SAP HANA CLI MCP server (hana-cli). 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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