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Blockscout MCP Server

by junct-bot Your server? Claim it
not responding

Blockscout MCP is listed as active in the registry but did not answer our last check. Last commit 29 Mar 2026.

Blockscout - 56 tools for data, metrics, and on-chain analytics

Uptime history 51 days of history · worst day 0%
51 days agonow
0.0%
Uptime 24h
0 of 90 checks
—
Tools
hidden behind auth
78 ms
Response time
average over 24h
0
Stars
last commit 29 Mar 2026

Blockscout MCP does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 16 min ago.

run in your terminal
claude mcp add blockscout-mcp --transport http https://blockscout.mcp.junct.dev/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "blockscout-mcp": {
      "url": "https://blockscout.mcp.junct.dev/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.blockscout-mcp]
url = "https://blockscout.mcp.junct.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "blockscout-mcp": {
      "url": "https://blockscout.mcp.junct.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "blockscout-mcp": {
      "url": "https://blockscout.mcp.junct.dev/mcp"
    }
  }
}

Endpoints

URLTransportStateLatencyChecked
https://blockscout.mcp.junct.dev/mcp streamable-http answering 78 ms 16 min ago

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Blockscout MCP — questions

Answers built from our own checks of this server.

Is Blockscout MCP working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 90 checks got a reply (0.0%), average response time 78 ms. The bar chart above shows every period we have measured.
The registry lists Blockscout MCP as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect Blockscout MCP?
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.
Does Blockscout MCP need an API key?
No. Blockscout MCP completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. This is what we observed, not what the docs claim.
Is Blockscout MCP 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.