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Chainlens MCP Server

local only

Chainlens runs on your own machine — the client starts it, so there is no endpoint to ping. 290 installs a week from npm. Last commit 2 Nov 2026.

Blockscout explorer data: addresses, blocks, transactions, tokens, NFTs, and contract reads.

Installs per day peak 216 · avg 9
a month agotoday
290
Installs / week
npm · @reneturcios/chainlens
0
Stars
0 open issues
2 Nov 2026
Last commit
from GitHub
MIT
License
TypeScript

Nothing serious here today

Today is the operative word: we check Chainlens every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add chainlens -- npx -y @reneturcios/chainlens
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "chainlens": {
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/chainlens"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.chainlens]
command = "npx"
args = ["-y", "@reneturcios/chainlens"]
.cursor/mcp.json
{
  "mcpServers": {
    "chainlens": {
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/chainlens"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "chainlens": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/chainlens"
      ]
    }
  }
}

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Chainlens — questions

Answers built from our own checks of this server.

Why is there no uptime for Chainlens?
Chainlens runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @reneturcios/chainlens was installed 290 times last week.
How do I connect Chainlens?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls @reneturcios/chainlens straight from npm; nothing to host, nothing to sign up for.
How many people use Chainlens?
The npm package @reneturcios/chainlens was installed 290 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Chainlens open source?
Yes — it is published under the MIT licence, written in TypeScript and 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.