sap_select_combobox_entry

THE RISK

High Risk

Why sap_select_combobox_entry needs a policy

This tool triggers a UI interaction in SAP GUI (selecting a combobox entry), which constitutes an Execute-level action — it drives an external application's interface and may trigger downstream SAP business logic depending on what the selection does. While it's a UI action rather than direct data write, the SAP GUI scripting context means selections can initiate transactions or change application state.

From the tool's definition Select an entry in a combobox/dropdown by its key or display value text

Documented attack patterns abuse exactly the kind of access sap_select_combobox_entry gives an agent:

POLICY

How to control sap_select_combobox_entry

PolicyLayer is an MCP gateway — it sits between your AI agents and MCP SAP GUI Server, and nothing reaches the server without passing your rules. This is the rule we recommend for sap_select_combobox_entry:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sap_select_combobox_entry": {
      "limits": [
        {
          "counter": "sap_select_combobox_entry_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

sap_select_combobox_entry stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register MCP SAP GUI Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More MCP SAP GUI Server tools

Execute sap_execute_transaction sap_execute_transaction Execute sap_click_tree_link Click a hyperlink in a tree node item. Execute sap_collapse_tree_node Collapse a folder node in a tree control Execute sap_connect sap_connect Execute sap_connect_existing Connect to an already open SAP session. Use this when SAP is already logged in. Execute sap_disconnect Disconnect from the current SAP session and release the binding. Execute sap_double_click_cell Double-click a cell in a table/grid (often opens details or drills down). Execute sap_double_click_tree_item Double-click a specific item (column cell) in a tree node row.

All 57 MCP SAP GUI Server tools →

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Go deeper

High-risk tools in MCP SAP GUI Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about sap_select_combobox_entry

What does the sap_select_combobox_entry tool do? +

Select an entry in a combobox/dropdown by its key or display value text. It is categorised as a Execute tool in the MCP SAP GUI Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on sap_select_combobox_entry? +

Register the MCP SAP GUI Server MCP server in PolicyLayer and add a rule for sap_select_combobox_entry: 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 SAP GUI Server. Nothing to install.

What risk level is sap_select_combobox_entry? +

sap_select_combobox_entry is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit sap_select_combobox_entry? +

Yes. Add a rate_limit block to the sap_select_combobox_entry 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.

How do I block sap_select_combobox_entry completely? +

Set action: deny in the PolicyLayer policy for sap_select_combobox_entry. 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.

What MCP server provides sap_select_combobox_entry? +

sap_select_combobox_entry is provided by the MCP SAP GUI Server MCP server (kts982/mcp-sap-gui). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP SAP GUI Server tool call.

Start from MCP SAP GUI Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →