sap_chat_derive_room
Derive a deterministic SAP chat room/session ID. Group and public room IDs are active; DM derivation is reserved for future native support. SAP MCP execution guidance: Intent: SAP MCP tool workflow. Pricing: paid read-premium; estimate first, then use sap_payments_call_paid_tool when the runtime ...
This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/sap-chat-derive-room.md
What sap_chat_derive_room does on Sap
AI agents call sap_chat_derive_room to retrieve information from Sap without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
topic | string | — | Thematic topic, for example openbook:sol-usdc:market-makers or sap:registry:discovery. |
roomId | string | — | Optional explicit room ID. If omitted, one is derived deterministically. |
roomKind | string | — | Chat room kind: dm, group, or room. |
roomName | string | — | Human-readable room name for public thematic rooms. |
participants | array | — | Participant agent/wallet identifiers for DM or group rooms. |
Parameters from the server's own tool schema.
Why sap_chat_derive_room is rated Low
Tool derives chat room identifiers deterministically with no side effects or data modifications.
From the tool's definition Derive deterministic SAP chat room/session ID. Group and public room IDs are active.
Attacks that exploit this kind of access
The rule that runs sap_chat_derive_room safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sap, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sap_chat_derive_room, this is the rule to start with:
sap_chat_derive_room is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Sap, apply this rule, and every sap_chat_derive_room call is checked against it from then on.
Questions about sap_chat_derive_room
Derive a deterministic SAP chat room/session ID. Group and public room IDs are active; DM derivation is reserved for future native support. SAP MCP execution guidance: Intent: SAP MCP tool workflow. Pricing: paid read-premium; estimate first, then use sap_payments_call_paid_tool when the runtime cannot replay x402 natively. Routing: paid hosted call; call sap_estimate_tool_cost first, then use sap_payments_call_paid_tool if the runtime cannot handle x402 natively. Signer boundary: hosted reads/builders never receive keypair bytes; value-moving results must be finalized locally when signing is required. It is categorised as a Read tool in the Sap MCP Server, which means it retrieves data without modifying state.
sap_chat_derive_room accepts 5 parameters: topic, roomId, roomKind, roomName, participants. The full parameter table on this page comes from the server's own tool schema.
Register the Sap MCP server in PolicyLayer and add a rule for sap_chat_derive_room: 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. Nothing to install.
sap_chat_derive_room 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 sap_chat_derive_room 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 sap_chat_derive_room. 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.
sap_chat_derive_room is provided by the Sap MCP server (https://mcp.sap.oobeprotocol.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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