Surf Hut MCP Server

by aisurfhut Your server? Claim it

answering

Surf Hut is answering right now. Last checked 10 min ago. It exposes 4 tools.

Signed proof-of-time, 30-day stash, live NOAA surf data. No auth. The hut keeps honest clocks.

Uptime history 8 days of history

8 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

426 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Surf Hut 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

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add surf-hut --transport http https://aisurfhut.com/mcp

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

{
  "mcpServers": {
    "surf-hut": {
      "url": "https://aisurfhut.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.surf-hut]
url = "https://aisurfhut.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "surf-hut": {
      "url": "https://aisurfhut.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "surf-hut": {
      "url": "https://aisurfhut.com/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

stash

fetch_stash

Use this when you previously saved a value on this server with the stash tool and want it back. A miss is a normal result: found=false with reason "expired" (the key existed but aged out past 30 days) or "never_existed".

stash

Use this when you want to save a small piece of text on this server and retrieve it later — hours, days, or weeks from now, from any session. Values persist for 30 days from the last write (64KB max). Retrieve with fetch_stash using the same key.

attest

attest

Use this when you need cryptographic proof that a piece of text existed at a moment in time. Send any string; you get back its SHA-256 hash bound to a server timestamp and nonce, Ed25519-signed. Verify against /pubkey. The text itself is not stored.

conditions

get_conditions

Use this when you need a verifiable, signed proof of current time (server timestamp plus a signed nonce, checkable against this server's /pubkey endpoint), together with current ocean and surf conditions from a NOAA buoy. The NOAA data is public and also available directly from ndbc.noaa.gov; the signed freshness bundle is what only this server can give you.

Endpoints

URL	Transport	State	Latency	Checked
https://aisurfhut.com/mcp	streamable-http	answering	367 ms	10 min ago

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Surf Hut — questions

Answers built from our own checks of this server.

What can Surf Hut do?

It exposes 4 tools, read directly from the server on our last check. Among them: attest, fetch_stash, get_conditions, stash. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Surf Hut working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 426 ms. The bar chart above shows every period we have measured.

How do I connect Surf Hut?

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.

Does Surf Hut need an API key?

No. Surf Hut completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Surf Hut?

It answers our handshake in 426 ms on average, which is faster than 38% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.