How to Use the ClearBank MCP in Mastra AI

Build resilient UK payment workflows with Mastra AI and trigger automated retries on failed ClearBank transactions.

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Connect ClearBank MCP to Mastra AI

Create your Vinkius account to connect ClearBank to Mastra AI and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup ClearBank with Mastra AI

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Resilient Ledger Workflows

`clearbank_create_account` acts as the entry point for your Mastra AI onboarding workflows, instantiating virtual UK accounts programmatically. If the platform experiences transient network blips, Mastra's built-in engine automatically retries the creation step with exponential backoff. After provisioning, the agent runs `clearbank_get_accounts` to verify the ledger exists before advancing to funding. This eliminates race conditions in your financial pipelines by ensuring resources are fully active before the MCP client continues.

Guardrailed CHAPS Transfers

`clearbank_create_chaps_payment` executes high-value wires within your Mastra AI automated treasury workflows. Because CHAPS operates under strict hours, the Mastra workflow engine uses conditional branching to divert payments to Faster Payments if the wire window is closed. You can configure `requireToolApproval` to pause the workflow and request human confirmation before sending large sums. The agent holds the execution state until an admin clicks approve, then dispatches the wire.

Automated Fraud Defense via Mastra AI and MCP Server

`clearbank_suspend_account` triggers instantly within your Mastra AI workflows when anomalous transaction patterns are detected. The agent continuously monitors transaction telemetry to catch threats before they drain your corporate ledgers. By analyzing historical records with `clearbank_get_transactions`, the workflow determines if a pattern matches known fraud vectors. If confirmed, it freezes the account and alerts your compliance team via webhook.

Setup guide

Set up ClearBank MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All ClearBank tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "clearbank-mcp-client",
  servers: {
    "clearbank-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "ClearBank Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to ClearBank tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent ClearBank transactions"
);
console.log(result.text);

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by ClearBank UK. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

Why Choose Vinkius

Vinkius connects your tools to AI with real-time monitoring and automatic cost savings — all from one dashboard.

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Common questions about ClearBank MCP in Mastra AI

Instantiate the client using new MCPClient pointing to your Vinkius URL, then spread the output of listTools() into your Mastra agent configuration. This exposes the entire ClearBank suite to your agent's toolbelt instantly.

Yes, Mastra's workflow engine can catch errors from clearbank_create_faster_payment and execute a retry loop. If the failure persists, the workflow branches to notify your engineering team.

You use Mastra's step execution controls to intercept clearbank_create_chaps_payment calls. This halts the agent's progress, requiring an operator to verify the payment details before the transaction hits the ClearBank API.

Yes, the ClearBank server on Vinkius supports both SSE and Streamable HTTP. Mastra AI auto-detects the transport type upon initialization, making setup straightforward.

We isolate every workflow run inside a dedicated, zero-trust container. Your API credentials, virtual account details, and UK payment instructions are never stored on our disks, and we purge all execution memory immediately after your agent completes its run.

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