[LEVEL 1 - DISCOVERY] Search for SAP services and entities. Returns MINIMAL data (serviceId, serviceName, entityName) optimized for LLM decision making. If query matches, returns relevant results. If NO matches found, returns ALL available services with entities. After this call, use get-entity-m...
AI agents call discover-sap-data to retrieve information from SAP OData to MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a pure discovery and read-only tool. It retrieves information about SAP services and their entities to enable informed selection for subsequent operations. The minimal data return and explicit instruction to use get-entity-metadata for schema details confirms this is a browsing/querying mechanism. No side effects, modifications, or destructive actions are possible.
From the tool's definition Tool description explicitly states it 'Search for SAP services and entities' and 'Returns MINIMAL data (serviceId, serviceName, entityName)'.
Documented attack patterns abuse exactly the kind of access discover-sap-data gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and SAP OData to MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for discover-sap-data:
{
"version": "1",
"default": "deny",
"tools": {
"discover-sap-data": {}
}
}discover-sap-data is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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[LEVEL 1 - DISCOVERY] Search for SAP services and entities. Returns MINIMAL data (serviceId, serviceName, entityName) optimized for LLM decision making. If query matches, returns relevant results. If NO matches found, returns ALL available services with entities. After this call, use get-entity-metadata (Level 2) to get full schema details for your selected entity. Uses technical user (no auth needed). It is categorised as a Read tool in the SAP OData to MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SAP OData to MCP Server MCP server in PolicyLayer and add a rule for discover-sap-data: 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 OData to MCP Server. Nothing to install.
discover-sap-data 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 discover-sap-data 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 discover-sap-data. 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.
discover-sap-data is provided by the SAP OData to MCP Server MCP server (lemaiwo/btp-sap-odata-to-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from SAP OData to MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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3 SAP OData to MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.