blinks_confirmAction
Confirm a completed Solana Action by sending the tx signature back to the Action provider. SAP MCP context: Protocol blinks; operation class read. Use for Solana Actions and Blinks metadata fetch, validation, and POST action preparation. Preview and validate actions before signing or submitting t...
This record as markdown: /tools/oobe-protocol-labs-sap-mcp-server/blinks-confirmaction.md
What blinks_confirmAction does on Sap
AI agents invoke blinks_confirmAction to trigger actions in Sap. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
| Parameter | Type | Required | Description |
|---|---|---|---|
actionUrl | string | Yes | Action URL parameter for Blinks Confirm Action. |
signature | string | Yes | Transaction signature after signing and submitting |
Parameters from the server's own tool schema.
Why blinks_confirmAction is rated High
Confirms a Solana blockchain action by submitting a transaction signature to an external provider.
From the tool's definition sending the tx signature back to the Action provider
Attacks that exploit this kind of access
The rule that runs blinks_confirmAction 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 blinks_confirmAction, this is the rule to start with:
blinks_confirmAction stays usable, but rate-capped: a runaway agent can't fire it dozens of times 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 blinks_confirmAction call is checked against it from then on.
Questions about blinks_confirmAction
Confirm a completed Solana Action by sending the tx signature back to the Action provider. SAP MCP context: Protocol blinks; operation class read. Use for Solana Actions and Blinks metadata fetch, validation, and POST action preparation. Preview and validate actions before signing or submitting transactions through SAP transaction tools. 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 Execute tool in the Sap MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
blinks_confirmAction accepts 2 parameters: actionUrl, signature. Required: actionUrl, signature. 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 blinks_confirmAction: 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.
blinks_confirmAction is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the blinks_confirmAction 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 blinks_confirmAction. 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.
blinks_confirmAction 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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