Low Risk

adt_cds_data_preview

Preview the data exposed by a CDS view (DDL source) via the ADT CDS Data Preview endpoint. Read-only. Returns structured { columns, rows } just like adt_read_table, but you only pass the CDS entity / DDL source name — no SQL. Requires a system with CDS support (NetWeaver 7.5x+ / S/4HANA).

How to control adt_cds_data_preview ↓

What adt_cds_data_preview does on Claude For Abap

AI agents call adt_cds_data_preview to retrieve information from Claude For Abap without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why adt_cds_data_preview needs a policy

This tool retrieves and displays data from CDS views without side effects. The explicit 'Read-only' designation and preview-only functionality confirm it is a data retrieval operation with no ability to create, modify, delete, or execute arbitrary commands. Low severity due to minimal blast radius—an agent can only view existing data in predetermined CDS views.

From the tool's definition Tool description explicitly states 'Read-only' and 'Preview the data exposed by a CDS view'. It 'Returns structured { columns, rows }' without modification capabilities.

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

How to control adt_cds_data_preview

PolicyLayer is an MCP gateway — it sits between your AI agents and Claude For Abap, and nothing reaches the server without passing your rules. This is the rule we recommend for adt_cds_data_preview:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "adt_cds_data_preview": {}
  }
}

adt_cds_data_preview is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Claude For Abap — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about adt_cds_data_preview

What does the adt_cds_data_preview tool do? +

Preview the data exposed by a CDS view (DDL source) via the ADT CDS Data Preview endpoint. Read-only. Returns structured { columns, rows } just like adt_read_table, but you only pass the CDS entity / DDL source name — no SQL. Requires a system with CDS support (NetWeaver 7.5x+ / S/4HANA). It is categorised as a Read tool in the Claude For Abap MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on adt_cds_data_preview? +

Register the Claude For Abap MCP server in PolicyLayer and add a rule for adt_cds_data_preview: 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 Claude For Abap. Nothing to install.

What risk level is adt_cds_data_preview? +

adt_cds_data_preview is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit adt_cds_data_preview? +

Yes. Add a rate_limit block to the adt_cds_data_preview 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 adt_cds_data_preview completely? +

Set action: deny in the PolicyLayer policy for adt_cds_data_preview. 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 adt_cds_data_preview? +

adt_cds_data_preview is provided by the Claude For Abap MCP server (yzonur/claude-for-abap). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Claude For Abap tool call.

Start from Claude For Abap, 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.

45 Claude For Abap tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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