Nexlab MCP Server

by nexlab Your server? Claim it

answering

Nexlab MCP is answering right now. Last checked 5 min ago.

28 MCP servers behind one endpoint: earth, sky, policy, records and research

Uptime history 5 days of history · worst day 99%

5 days agonow

100.0%

Uptime 24h

92 of 92 checks

—

Tools

hidden behind auth

1186 ms

Response time

average over 24h

OAuth sign-in

Access

streamable-http

Nexlab MCP does not always answer

Over the last week it answered 99.8% 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 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add nexlab-mcp --transport http https://mcp.nexlab.net/mcp

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

{
  "mcpServers": {
    "nexlab-mcp": {
      "url": "https://mcp.nexlab.net/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.nexlab-mcp]
url = "https://mcp.nexlab.net/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "nexlab-mcp": {
      "url": "https://mcp.nexlab.net/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "nexlab-mcp": {
      "url": "https://mcp.nexlab.net/mcp"
    }
  }
}

This endpoint answered with an authorization challenge — the server is running, but you need an API key or OAuth to use it.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.nexlab.net/mcp	streamable-http	needs key	440 ms	5 min ago

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Nexlab MCP — questions

Answers built from our own checks of this server.

Why is there no tool list for Nexlab MCP?

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: 100.0% of checks in the last 24 hours got a reply.

Is Nexlab MCP working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 1186 ms. The bar chart above shows every period we have measured.

How do I connect Nexlab 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. 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 Nexlab MCP?

No API key is involved. Nexlab MCP 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 Nexlab MCP?

It answers our handshake in 1186 ms on average, which is faster than 4% 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.