How to Use the Conflux MCP in Claude

Query Conflux Core and eSpace chain data right inside your Claude Desktop chat window.

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Connect Conflux MCP to Claude Desktop

Create your Vinkius account to connect Conflux to Claude Desktop 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 Conflux with Claude Desktop

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Read Conflux Core and eSpace blocks in Claude Desktop

Your agent pulls live blockchain data directly into your conversations. It uses `cfx_get_block_by_hash` or `eth_get_block_by_number` to inspect specific blocks without making you open a separate explorer. You can ask about recent epochs or search for specific transaction details. The model grabs the exact payload using `cfx_get_transaction_by_hash` to show you exactly what happened on-chain.

Estimate gas fees before you deploy

This MCP Server calculates how much storage collateral your transaction needs before you send it. Your agent calls `cfx_estimate_gas_and_collateral` to get the exact cost of your execution on Core Space. If you are working on eSpace, the model switches to `eth_estimate_gas` to get the right numbers. You avoid failed transactions and save gas money by verifying limits first.

Check account balances and contract states instantly

This tool queries active wallet balances and contract states directly inside your chat. This MCP server lets the agent call `cfx_get_balance` and `eth_get_balance` to verify funds across both network spaces. When debugging smart contracts, the agent reads current state variables using `cfx_call` or `eth_call`. You get instant answers about contract storage values during your chat.

Setup guide

Set up Conflux MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The Conflux MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the Conflux MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under conflux-mcp.

json

{
  "mcpServers": {
    "conflux-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 Conflux. 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

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Common questions about Conflux MCP in Claude Desktop

Open your developer configuration file and add the server to your `mcpServers` list. You will need to provide the execution command and arguments for the Vinkius endpoint. Once saved, restart the app to see the tools appear in your chat window.

Yes, but you must configure your local node to manage the sender account or pass pre-signed payloads. The server exposes `cfx_send_transaction` and `cfx_send_raw_transaction` to broadcast transactions to the network. Keep in mind that raw transactions are safer because your private keys stay local.

You can connect it via custom connectors in the browser settings. Just paste your remote server URL and authenticate. This lets your agent query the blockchain even when you are not on your local machine.

Your agent uses the log tools to pull filtered event data. It executes `cfx_get_logs` for Core Space or `eth_get_logs` for eSpace depending on where your contract is deployed. You just need to provide the contract address or topic filters.

This integration only queries public blockchain data like balances, transaction receipts, and block headers. Your private keys are never sent to or stored by the server. Since all read operations run locally or via secure endpoints, your sensitive wallet credentials remain completely untouched.

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