How to Use the Blockscout MCP in Claude Code

Q: Can Claude Code track wallet balances using Blockscout?

Yes, Claude Code calls getaccountbalance and listtokenbalances to check native and ERC-20 balances. It prints the formatted balances directly to your terminal window.

Q: How do I add this MCP Server to Claude Code?

Run the command claude mcp add --transport http blockscout-mcp -- in your shell. Claude Code saves this to your local config and loads the tools instantly.

Audit smart contracts, query wallet balances, and pipe raw blockchain logs directly inside Claude Code.

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Connect Blockscout MCP to Claude Code

Create your Vinkius account to connect Blockscout to Claude Code 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 Blockscout with Claude Code

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Run terminal-based contract audits

The `get_contract_source_code` tool downloads verified smart contract files directly into your terminal session using this MCP Server. Claude Code reads the Solidity code, scans for common reentrancy bugs, and compares the deployment with your local files. You can pipe this output directly into local grep commands or shell scripts. Claude Code uses `get_contract_abi` to verify the interface and format the contract's public functions without opening a web browser.

Monitor network health from this MCP Server

The `get_indexing_status` tool checks the current block synchronization state of the Blockscout indexer. Claude Code uses this to verify that your queries reflect the absolute latest state of the chain. If you need raw network details, Claude Code calls `get_block` and `get_total_supply` to check block times and circulating supply. This lets you monitor chain health directly from your terminal during deployment scripts.

Query transaction logs in Claude Code

The `get_logs` tool retrieves specific event logs matching your topic filters directly inside the terminal using this MCP tool. Claude Code parses these raw logs, decodes the hex values, and displays human-readable event data. If a script fails, Claude Code uses `json_rpc` to execute arbitrary eth_call commands against the network. This lets you debug state variables and simulate transactions before committing gas on-chain.

Setup guide

Set up Blockscout MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see blockscout-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Blockscout transactions." It will automatically discover and invoke the available Blockscout tools.

Terminal

claude mcp add --transport http blockscout-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Blockscout MCP

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

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "blockscout-mcp": {
      "type": "url",
      "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 Blockscout. 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.

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Common questions about Blockscout MCP in Claude Code

Claude Code runs in your terminal, allowing you to direct the output of tools like `get_logs` into local files or shell utilities. It makes command-line blockchain analysis fast and scriptable.

Yes, Claude Code calls `get_account_balance` and `list_token_balances` to check native and ERC-20 balances. It prints the formatted balances directly to your terminal window.

Run the command `claude mcp add --transport http blockscout-mcp -- ` in your shell. Claude Code saves this to your local config and loads the tools instantly.

Yes, you can configure the server to point to any Blockscout instance. Claude Code will use `get_address` and other tools to query that specific network.

The tool only handles public blockchain addresses, transaction hashes, and contract ABIs. No private keys are ever processed, and Vinkius runs the server in an ephemeral sandbox to protect your terminal environment.

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