Token Lens MCP Server

by mdfifty50-boop Your server? Claim it

local only

Token Lens runs on your own machine — the client starts it, so there is no endpoint to ping. 36 installs a week from npm. Last commit 24 Apr 2026.

Context window token analysis and budget management

Installs per day peak 16 · avg 7 · -27% w/w

a month agotoday

Installs / week

npm · token-lens-mcp

Stars

0 open issues

24 Apr 2026

Last commit

0 releases in 90 days

—

License

JavaScript

Nothing serious here today

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

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.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add token-lens -- npx -y token-lens-mcp

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

{
  "mcpServers": {
    "token-lens": {
      "args": [
        "-y",
        "token-lens-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.token-lens]
command = "npx"
args = ["-y", "token-lens-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "token-lens": {
      "args": [
        "-y",
        "token-lens-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "token-lens": {
      "args": [
        "-y",
        "token-lens-mcp"
      ],
      "command": "npx"
    }
  }
}

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Token Lens — questions

Answers built from our own checks of this server.

Why is there no uptime for Token Lens?

Token Lens 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 token-lens-mcp was installed 36 times last week.

How do I connect Token Lens?

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 runs locally, so the command pulls token-lens-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Token Lens?

The npm package token-lens-mcp was installed 36 times in the last week. Week over week that is -27%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Token Lens open source?

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