sap_inscribe_memory
Inscribe encrypted memory using SDK VaultModule.inscribe. SAP MCP context: Memory/session flow. Store only intentionally encrypted payloads or public hashes; session and vault PDAs are visible on-chain metadata. SAP MCP execution guidance: Intent: SAP MCP tool workflow. Pricing: paid read-premium...
This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/sap-inscribe-memory.md
What sap_inscribe_memory does on Sap
AI agents use sap_inscribe_memory to create or update resources in Sap, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sap environment.
Why sap_inscribe_memory is rated Medium
Creates and stores encrypted data irreversibly on-chain via vault PDAs; modifies blockchain state.
From the tool's definition Inscribe encrypted memory using SDK VaultModule.inscribe; store encrypted payloads.
Attacks that exploit this kind of access
The rule that runs sap_inscribe_memory 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_inscribe_memory, this is the rule to start with:
sap_inscribe_memory stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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_inscribe_memory call is checked against it from then on.
Questions about sap_inscribe_memory
Inscribe encrypted memory using SDK VaultModule.inscribe. SAP MCP context: Memory/session flow. Store only intentionally encrypted payloads or public hashes; session and vault PDAs are visible on-chain metadata. 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: hosted accountless write is blocked; do not call this as a paid hosted write and no x402 payment should be charged. Use the local sap_payments bridge or a hosted unsigned builder when user signing is required. Signer boundary: user-controlled local profile or external signer; OOBE hosted MCP remains non-custodial. It is categorised as a Write tool in the Sap MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Sap MCP server in PolicyLayer and add a rule for sap_inscribe_memory: 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_inscribe_memory is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the sap_inscribe_memory 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_inscribe_memory. 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_inscribe_memory 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.
More on Sap, and thousands of servers like it.
This server
Across the catalogue