sap_sns_check_ownership
Check whether a wallet matches the resolved SNS wallet for a .sol domain. This uses the SOL record when present and the domain owner as fallback. SAP MCP execution guidance: Intent: SAP MCP tool workflow. Pricing: paid read-premium; estimate first, then use sap_payments_call_paid_tool when the ru...
This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/sap-sns-check-ownership.md
What sap_sns_check_ownership does on Sap
AI agents call sap_sns_check_ownership 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 |
|---|---|---|---|
owner | string | — | Canonical field: Solana public key (base58) of the wallet to verify as the domain owner |
domain | string | — | The .sol domain name to check ownership of |
wallet | string | — | Alias for owner, accepted for agent ergonomics when the user says wallet. |
Parameters from the server's own tool schema.
Why sap_sns_check_ownership is rated Low
Queries SNS domain ownership without modifying data or committing financial transactions.
From the tool's definition Check whether wallet matches resolved SNS wallet; read-only query
Attacks that exploit this kind of access
The rule that runs sap_sns_check_ownership 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_sns_check_ownership, this is the rule to start with:
sap_sns_check_ownership 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_sns_check_ownership call is checked against it from then on.
Questions about sap_sns_check_ownership
Check whether a wallet matches the resolved SNS wallet for a .sol domain. This uses the SOL record when present and the domain owner as fallback. 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_sns_check_ownership accepts 3 parameters: owner, domain, wallet. 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_sns_check_ownership: 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_sns_check_ownership 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_sns_check_ownership 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_sns_check_ownership. 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_sns_check_ownership 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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