Ethereum Toolkit MCP Server

by tkllabs-bh-mcp-servers

answering

Ethereum Toolkit is answering right now. Last checked 11 min ago. Last commit 11 May 2026.

Real-time Ethereum blockchain data (gas prices, account balances etc) on Mainnet and Sepolia

Uptime history 53 hours of history · worst hour 38%

53 hours agonow

49.5%

Uptime 24h

90 of 182 checks

—

Tools

hidden behind auth

284 ms

Response time

average over 24h

Stars

last commit 11 May 2026

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add ethereum-toolkit --transport http https://mcp-servers.bh.tkllabs.io:9780/ethereum-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "ethereum-toolkit": {
      "url": "https://mcp-servers.bh.tkllabs.io:9780/ethereum-mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.ethereum-toolkit]
url = "https://mcp-servers.bh.tkllabs.io:9780/ethereum-mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "ethereum-toolkit": {
      "url": "https://mcp-servers.bh.tkllabs.io:9780/ethereum-mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "ethereum-toolkit": {
      "url": "https://mcp-servers.bh.tkllabs.io:9780/ethereum-mcp"
    }
  }
}

This endpoint answered with an authorization challenge — the server is running, but you need an API key or OAuth to use it.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp-servers.bh.tkllabs.io:9780/ethereum-mcp	streamable-http	needs key	294 ms	11 min ago
https://mcp-servers.bh.tkllabs.io:9780/ethereum-sse	sse	answering	326 ms	11 min ago

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Ethereum Toolkit — questions

Answers built from our own checks of this server.

Why is there no tool list for Ethereum Toolkit?

The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 49.5% of checks in the last 24 hours got a reply.

Is Ethereum Toolkit working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 90 of 182 checks got a reply (49.5%), average response time 284 ms. The bar chart above shows every period we have measured.

How do I connect Ethereum Toolkit?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own key or an OAuth login: it refuses anonymous clients.

Does Ethereum Toolkit need an API key?

Yes. Every time we knock, Ethereum Toolkit answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.

How fast is Ethereum Toolkit?

It answers our handshake in 284 ms on average, which is faster than 50% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Ethereum Toolkit open source?

Yes — 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.