sap_create_attestation

SERVERSap SOURCEhttps://mcp.sap.oobeprotocol.ai/mcp

Medium RISK CLASS

Category Write

Parameters 40 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/sap-create-attestation.md

WHAT IT DOES

What sap_create_attestation does on Sap

AI agents use sap_create_attestation 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.

Parameter	Type	Required	Description
`expiresAt`	string	—	Optional expiry timestamp (as a decimal string, 0 = no expiry)
`agentWallet`	string	—	Agent wallet public key (base58) to create attestation for
`metadataHash`	array	—	32-byte metadata hash as a byte array, hex string, or base64 string
`attestationType`	string	—	Optional attestation type string (default: "generic")

Parameters from the server's own tool schema.

RISK

Why sap_create_attestation is rated Medium

Creates and records on-chain attestation data with financial implications through blockchain transactions.

From the tool's definition Create an on-chain attestation for an agent wallet.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs sap_create_attestation 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_create_attestation, this is the rule to start with:

sap_create_attestation Rate-limited

sap_create_attestation 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sap_create_attestation": {
      "limits": [
        {
          "counter": "sap_create_attestation_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Sap, apply this rule, and every sap_create_attestation call is checked against it from then on.

FAQ

Questions about sap_create_attestation

What does the sap_create_attestation tool do? +

Create an on-chain attestation for an agent wallet. SAP MCP context: Reputation and trust flow. Use after verifying the target agent PDA or wallet and keep hashes/attestation metadata stable and auditable. SAP MCP execution guidance: Intent: SAP MCP tool workflow. Pricing: paid value-action; preview cost and transaction effects before user confirmation. 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.

What parameters does sap_create_attestation accept? +

sap_create_attestation accepts 4 parameters: expiresAt, agentWallet, metadataHash, attestationType. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on sap_create_attestation? +

Register the Sap MCP server in PolicyLayer and add a rule for sap_create_attestation: 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.

What risk level is sap_create_attestation? +

sap_create_attestation is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit sap_create_attestation? +

Yes. Add a rate_limit block to the sap_create_attestation 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_create_attestation completely? +

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

sap_create_attestation 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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