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Surf Hut

R0· no sign-in

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

v0.1.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust80of 100
Uptime, 30 days100%
Latency p50149 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "surf-hut": {
      "type": "http",
      "url": "https://aisurfhut.com/mcp"
    }
  }
}
claude mcp add --transport http surf-hut https://aisurfhut.com/mcp
[mcp_servers.surf-hut]
url = "https://aisurfhut.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "surf-hut": {
      "type": "remote",
      "url": "https://aisurfhut.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "surf-hut": {
      "type": "http",
      "url": "https://aisurfhut.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=surf-hut&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYWlzdXJmaHV0LmNvbS9tY3AifQ%3D%3D"
}
{
  "servers": {
    "surf-hut": {
      "type": "http",
      "url": "https://aisurfhut.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "surf-hut": {
      "httpUrl": "https://aisurfhut.com/mcp"
    }
  }
}
extensions:
  "surf-hut":
    enabled: true
    name: "surf-hut"
    type: streamable_http
    uri: "https://aisurfhut.com/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: fetch_stash (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_conditions (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); stash (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 498 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 498 tokens to load them all · tool set e162d1d1c49f · checked 2026-10-20 21:18 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 80 / 100

no-repository
provenance55
liveness100
freshness85
hygiene80

+dns-namespace +website +reachable +uptime-100% ~updated-36d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://aisurfhut.com/mcp streamable-httpnoneyes100%149 ms2025-11-252026-10-20

Tools (4)

attestUse 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.
fetch_stashUse 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".
get_conditionsUse 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.
stashUse 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.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.aisurfhut/surf-hut",
  "title": "Surf Hut",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://aisurfhut.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.0",
  "websiteUrl": "https://aisurfhut.com",
  "description": "Signed proof-of-time, 30-day stash, live NOAA surf data. No auth. The hut keeps honest clocks."
}