How to Use the Ankr (Web3 Node API) MCP in Cursor

Q: How do I add the Ankr (Web3 Node API) MCP Server to my Cursor project?

You'll need to create a .cursor/mcp.json file in your project root and add the Ankr server configuration under the mcpServers key of your MCP configuration. Once saved, enable Agent mode in your Cursor chat panel to give the editor access to the Web3 RPC tools.

Q: Can the Cursor Agent sign transactions using Ankr (Web3 Node API)?

The agent can build and simulate transactions using ethsimulateV1 or simulateTransaction, but it cannot sign them without your explicit private key. You must sign the raw transaction payload locally before passing it to ethsendRawTransaction for submission.

Q: Does this server let my agent check NFT metadata during development?

Yes, your agent can call ankrgetNFTMetadata to retrieve the schema and image URLs for any token ID. This helps you write exact TypeScript interfaces for your frontend components based on real metadata payloads.

Generate working Web3 code and dry-run contract calls inside Cursor using live RPC data.

See Vinkius in Action

Works with every AI agent you already use

…and any MCP-compatible client

MCP Servers - Free for Subscribers

Connect Ankr (Web3 Node API) MCP to Cursor

Create your Vinkius account to connect Ankr (Web3 Node API) to Cursor and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

GDPR Free for Subscribers

Setup Ankr (Web3 Node API) with Cursor

Ask AI about this MCP

ChatGPT

Claude

Perplexity

Write smart contract integrations with live chain data

The `eth_getCode` tool retrieves the deployed bytecode of any contract directly into your Cursor editing session. When you write integration tests, your agent uses `eth_call` to execute read-only methods against the live mainnet contract, generating accurate wrappers based on real state rather than outdated API documentation. By feeding live contract outputs straight into Cursor's active context, your agent writes code that matches the actual deployed state. This eliminates the common trial-and-error cycle of writing integration code against mock interfaces that don't match the live network.

Debug transaction failures inside this Cursor MCP Server

The `eth_getTransactionReceipt` tool pulls full execution logs and status codes directly into Cursor's terminal window. When a test script fails, your agent calls `eth_getLogs` to filter historical events and pinpoint the exact line of code that triggered the revert. This MCP Server allows your agent to cross-reference local source code with live network events. It parses transaction receipts to explain EVM execution failures, helping you fix broken solidity scripts without leaving your IDE.

Fetch token prices and balances during code generation

The `ankr_getTokenPrice` tool pulls live USD valuations directly into Cursor to help you build financial math utilities. When writing portfolio tracking logic, your agent runs `ankr_getAccountBalance` to verify how your code handles multi-token balances across different EVM networks. Your agent uses these live numbers to write and run test assertions on the spot. Instead of hardcoding static test vectors, you get real-world token balances and price data injected directly into your active workspace.

Setup guide

Set up Ankr (Web3 Node API) MCP in Cursor

Prerequisites

Cursor installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP Settings

Go to Cursor Settings → MCP or open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and search for "MCP: Add Server".
2

Add the Ankr (Web3 Node API) MCP

Cursor will create or open .cursor/mcp.json in your project root. Paste the JSON snippet on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Enable Agent mode

Open Composer (Cmd+I / Ctrl+I) and switch to Agent mode using the dropdown at the top. MCP tools are only available in Agent mode.
4

Verify the connection

Ask Cursor something like "List my recent Ankr (Web3 Node API) transactions." If the MCP tools are loaded correctly, Cursor will call the Ankr (Web3 Node API) tools automatically. You can also check Settings → MCP for a green status indicator.

.cursor/mcp.json

{
  "mcpServers": {
    "ankr-web3-node-api-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Ankr. 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.

Connect Ankr (Web3 Node API) now

Real-time monitoring

Live

visibility into every interaction

Connect your favorite tools to your AI and see exactly what's happening — every request, every response, in real time.

Built-in savings

60%

lower AI costs

Vinkius compresses data between your apps and your AI automatically. Lower bills every month — no configuration required.

Single dashboard

One

place for every integration

Every tool your AI connects to, managed from a single screen. One account, complete control.

Common questions about Ankr (Web3 Node API) MCP in Cursor

You'll need to create a `.cursor/mcp.json` file in your project root and add the Ankr server configuration under the `mcpServers` key of your MCP configuration. Once saved, enable Agent mode in your Cursor chat panel to give the editor access to the Web3 RPC tools.

The agent can build and simulate transactions using `eth_simulateV1` or `simulateTransaction`, but it cannot sign them without your explicit private key. You must sign the raw transaction payload locally before passing it to `eth_sendRawTransaction` for submission.

Open the Cursor chat panel, type a quick query like "What is the latest block number?", and verify that the agent invokes `eth_blockNumber` to answer. The tool call indicator will appear in the chat stream, showing the active connection.

Yes, your agent can call `ankr_getNFTMetadata` to retrieve the schema and image URLs for any token ID. This helps you write exact TypeScript interfaces for your frontend components based on real metadata payloads.

This MCP server only interacts with public wallet addresses, contract bytecode, and simulated transaction payloads. Your private keys stay inside your local environment, and Vinkius executes all RPC queries inside a secure, ephemeral V8 sandbox that isolates your editor from external network threats.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

OpenAI Agents SDK sdk-python

Google ADK sdk-python

Pydantic AI sdk-python

Vercel AI SDK sdk-typescript