Can I simulate a transaction without spending real ETH or gas?

Yes! Use the `simulate_transaction` tool. It runs the transaction against the latest state of the network in a virtual environment, providing full trace and results without any on-chain cost.

How do I create a private fork of Ethereum for testing?

You can use the `create_virtual_testnet` tool. Provide a slug, display name, and the network ID you want to fork from (e.g., 1 for Mainnet) to spin up a private RPC endpoint.

Can I monitor specific smart contract events automatically?

Absolutely. Use the `create_alert` tool with an `alert_config` object to monitor method calls, state changes, or emitted logs on any contract address.

Tenderly (Ethereum Dev Platform) MCP Connector for Claude

A+

Simulate Ethereum transactions, create Virtual TestNets, and monitor on-chain events directly from your AI agent.

4 tools Official Updated Jun 28, 2026 Official Vinkius Partner

More Details Connect to Claude

Connect your Tenderly account to any AI agent to streamline your Ethereum development workflow. This MCP server allows you to debug, simulate, and monitor smart contracts through natural language.

What you can do

Transaction Simulation — Simulate single transactions or complex bundles on any supported network without committing real assets or spending gas.
Virtual TestNets — Create and manage private mainnet replicas (Virtual TestNets) to test your dApps in a production-like environment with custom configurations.
On-Chain Monitoring — Set up sophisticated alerts for method calls, state changes, or value transfers to stay informed about blockchain activity in real-time.
Bundle Execution — Test sequences of transactions to see how they interact, perfect for debugging complex DeFi protocols or multi-step workflows.

How it works

Subscribe to this server
Provide your Tenderly Access Key, Account Slug, and Project Slug
Start simulating transactions and managing testnets from Claude, Cursor, or any MCP client

Who is this for?

Smart Contract Engineers — debug transactions and verify contract behavior before deployment.
DeFi Researchers — simulate complex multi-step transactions to analyze protocol interactions.
Web3 DevOps — monitor production contracts and manage private testing environments seamlessly.

smart-contractsethereumtransaction-simulationweb3-debuggingtestnetblockchain-monitoring

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_N4CrFBeUVzbat4muj6uWeqLKjZIfSS9VAScUfQGd/mcp

② Claude Code (terminal)

claude mcp add --transport http tenderly-ethereum-dev-platform https://edge.vinkius.com/vk_preview_N4CrFBeUVzbat4muj6uWeqLKjZIfSS9VAScUfQGd/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "tenderly-ethereum-dev-platform": {
      "url": "https://edge.vinkius.com/vk_preview_N4CrFBeUVzbat4muj6uWeqLKjZIfSS9VAScUfQGd/mcp"
    }
  }
}

Get full access on Vinkius

The preview token above works for testing. Powered by Vinkius.

Details

Tools: 4
Grade: A+
Score: 100/100
Updated: Jun 28, 2026

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