Ethereum Toolkit MCP Server

by tkllabs-bh-mcp-servers Your server? Claim it

answering

Ethereum Toolkit is answering right now. Last checked 15 min ago. Last commit 11 May 2026.

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

Uptime history 51 days of history · worst day 49%

51 days agonow

50.0%

Uptime 24h

90 of 180 checks

—

Tools

hidden behind auth

331 ms

Response time

average over 24h

Stars

last commit 11 May 2026

Ethereum Toolkit does not always answer

Over the last week it answered 49.9% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 15 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 from its owner to call it.

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp-servers.bh.tkllabs.io:9780/ethereum-mcp	streamable-http	needs key	303 ms	15 min ago
https://mcp-servers.bh.tkllabs.io:9780/ethereum-sse	sse	answering	337 ms	15 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: 50.0% 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 180 checks got a reply (50.0%), average response time 331 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: 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 331 ms on average, which is faster than 49% 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?

We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.