Val Town MCP Server

by val Your server? Claim it

answering

Val Town is answering right now. Last checked 2 min ago. Last commit 19 Aug 2026.

Deploy serverless TypeScript on Val Town: HTTP vals, cron, SQLite, email, OAuth.

Uptime history 51 days of history · worst day 90%

51 days agonow

96.7%

Uptime 24h

88 of 91 checks

—

Tools

hidden behind auth

506 ms

Response time

average over 24h

Stars

last commit 19 Aug 2026

Val Town does not always answer

Over the last week it answered 95.9% 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 2 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://api.val.town/v3/mcp

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

{
  "mcpServers": {
    "mcp": {
      "url": "https://api.val.town/v3/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.mcp]
url = "https://api.val.town/v3/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://api.val.town/v3/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://api.val.town/v3/mcp"
    }
  }
}

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://api.val.town/v3/mcp	streamable-http	sign-in	698 ms	2 min ago

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Val Town — questions

Answers built from our own checks of this server.

Why is there no tool list for Val Town?

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: 96.7% of checks in the last 24 hours got a reply.

Is Val Town working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 88 of 91 checks got a reply (96.7%), average response time 506 ms. The bar chart above shows every period we have measured.

How do I connect Val Town?

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 Val Town?

No API key is involved. Val Town 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 Val Town?

It answers our handshake in 506 ms on average, which is faster than 30% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Val Town open source?

Yes — it is published under the MIT licence, written in JavaScript, 10 stars on GitHub and 3 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.