Lexu MCP Server

by lexu Your server? Claim it

answering

Lexu is answering right now. Last checked 6 min ago. 270 installs a week from npm.

Create AI images, video and music with your Lexu credits, with a spending limit per call.

Installs per day peak 184 · avg 9

a month agotoday

Uptime history 4 days of history · worst day 92%

4 days agonow

94.5%

Uptime 24h

86 of 91 checks

—

Tools

hidden behind auth

636 ms

Response time

average over 24h

270

Installs / week

npm and PyPI

Lexu does not always answer

Over the last week it answered 96.7% 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 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://www.lexu.io/mcp

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

{
  "mcpServers": {
    "mcp": {
      "url": "https://www.lexu.io/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.mcp]
url = "https://www.lexu.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://www.lexu.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://www.lexu.io/mcp"
    }
  }
}

This one needs environment variables set before it will start: LEXU_API_KEY (Lexu API key (lexu_live_...). Optional if you ran `npx @lexu/mcp login`.). The author declared them in the registry entry; get the values from the project itself.

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URL	Transport	State	Latency	Checked
https://www.lexu.io/mcp	streamable-http	sign-in	528 ms	6 min ago

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Lexu — questions

Answers built from our own checks of this server.

Why is there no tool list for Lexu?

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: 94.5% of checks in the last 24 hours got a reply.

Is Lexu working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 86 of 91 checks got a reply (94.5%), average response time 636 ms. The bar chart above shows every period we have measured.

How do I connect Lexu?

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 sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.

How do you sign in to Lexu?

No API key is involved. Lexu answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.

How fast is Lexu?

It answers our handshake in 636 ms on average, which is faster than 21% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use Lexu?

The npm package @lexu/mcp was installed 270 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.