How to Use the Biconomy (Account Abstraction) MCP in Cline

Q: How does Cline coordinate with Biconomy (Account Abstraction) to sign transactions?

Cline first calls getquote to get the raw transaction payload. It then writes a local Node.js script to sign that payload with your local private key, and finally feeds the signed data to executesupertx.

Q: Where do I put my Biconomy credentials in my Cline MCP configuration?

You add your API keys directly to your clinemcpsettings.json file. This keeps your credentials out of your codebase while allowing Cline to access the server tools.

Build, sign, and track Biconomy (Account Abstraction) smart accounts directly inside VS Code using Cline.

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Connect Biconomy (Account Abstraction) MCP to Cline

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Setup Biconomy (Account Abstraction) with Cline

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Fetch gas quotes using Cline and this MCP Server

The `get_quote` tool retrieves the exact gas estimates and execution data required for Biconomy smart account transactions. Cline uses this tool to build user operations, automatically calculating gas limits based on the current network state. Cline reads the returned quote structure, creates a local mock file in your workspace, and writes the code to sign the user operation. You do not have to parse raw blockchain gas data yourself.

Execute signed operations inside your Cline workspace

The `execute_supertx` tool submits your fully signed Biconomy payloads directly to the bundler network. Cline takes the signed payload generated by your local scripts and sends it off via this tool to trigger the on-chain transaction. Since Cline can run local terminal commands, it runs your local Web3 signing scripts first, grabs the signature, injects it into the payload, and calls the tool to complete the execution.

Track on-chain execution status directly in VS Code

The `get_explorer_status` tool queries the status of your submitted Biconomy transactions. Cline runs this tool in the background of your VS Code session to verify when a transaction gets included in a block. Cline uses the transaction hash returned during execution to poll this tool, updating your workspace UI or log files the moment the transaction succeeds or reverts.

Setup guide

Set up Biconomy (Account Abstraction) MCP in Cline

Prerequisites

VS Code with Cline extension installed
Active Vinkius subscription with a valid endpoint token

1

Open Cline MCP settings

Click the Cline icon in the VS Code sidebar to open the Cline panel. Then click the MCP Servers icon (server stack) at the top-right corner of the panel.
2

Add a remote server

Click "Remote Servers" at the top, then click "Add Remote MCP". In the Name field, type biconomy-account-abstraction-mcp. In the URL field, paste your Vinkius endpoint: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp. Get your token from cloud.vinkius.com.
3

Enable the server

After saving, the server appears in the Cline MCP panel. Toggle the switch to enable it. The status indicator turns green when the connection is live.
4

Start using tools

Return to the Cline chat and ask: "Check my latest Biconomy (Account Abstraction) refund status." Cline will discover the available tools and request your approval before invoking each one — giving you full control over every action.

Cline MCP Settings

{
  "mcpServers": {
    "biconomy-account-abstraction-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about Biconomy (Account Abstraction) MCP in Cline

Cline first calls `get_quote` to get the raw transaction payload. It then writes a local Node.js script to sign that payload with your local private key, and finally feeds the signed data to `execute_supertx`.

Yes, Cline reads the transaction receipt and error codes returned by `get_explorer_status`. It then searches your local smart contract files to pinpoint why the transaction reverted on-chain.

You add your API keys directly to your cline_mcp_settings.json file. This keeps your credentials out of your codebase while allowing Cline to access the server tools.

Yes, the server routes calls based on your Biconomy configuration. Cline passes your custom network parameters through the tools to ensure your transactions execute on your preferred chain.

No, your private keys never leave your local machine. The server only processes public transaction payloads, raw quotes, and signatures, ensuring your keys remain isolated inside your local VS Code environment.

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