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tithonus

R0· no sign-in

Signed time, Bitcoin-anchored notarisation and drand randomness for agents. No account.

v3.6.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality88good
Trust95of 100
Uptime, 30 days91%
Latency p50133 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "tithonus": {
      "type": "http",
      "url": "https://tithonus.org/mcp"
    }
  }
}
claude mcp add --transport http tithonus https://tithonus.org/mcp
[mcp_servers.tithonus]
url = "https://tithonus.org/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "tithonus": {
      "type": "remote",
      "url": "https://tithonus.org/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "tithonus": {
      "type": "http",
      "url": "https://tithonus.org/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=tithonus&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vdGl0aG9udXMub3JnL21jcCJ9"
}
{
  "servers": {
    "tithonus": {
      "type": "http",
      "url": "https://tithonus.org/mcp"
    }
  }
}
{
  "mcpServers": {
    "tithonus": {
      "httpUrl": "https://tithonus.org/mcp"
    }
  }
}
extensions:
  "tithonus":
    enabled: true
    name: "tithonus"
    type: streamable_http
    uri: "https://tithonus.org/mcp"
    timeout: 300

Quality 88 / 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 hygiene93 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations5 of 5 tools declare readOnlyHint or destructiveHint
  • warn
    tools.directory_hints1 of 5 tools declare all four hints; missing: tithonus_now (destructiveHint, idempotentHint); tithonus_lookup (destructiveHint, idempotentHint); tithonus_beacon (destructiveHint, idempotentHint); …
  • pass
    tools.token_costabout 635 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

5 tools, about 635 tokens to load them all · tool set 71ca0fb85093 · checked 2026-11-07 17:28 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 95 / 100

provenance85
liveness97
freshness100
hygiene100

+repository +dns-namespace +website +reachable +uptime-91% +updated-13d-ago

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://tithonus.org/mcp streamable-httpnoneyes91%133 ms2025-11-252026-11-07

Tools (5)

tithonus_beaconread-onlyGet public randomness from drand (League of Entropy), relayed and signed by tithonus. Nobody, tithonus included, can predict or choose it. Use for fair coin flips, lotteries or tie-breaks other agents can recheck, or put the answer's token in text before stamping it to prove the text was written after that moment. Omit round for the latest.
tithonus_checkread-onlyCheck a tithonus receipt link: is it genuine, and when was it stamped? Optionally give the text to confirm it is exactly what was stamped.
tithonus_lookupread-onlyFind the earliest receipt for a sha256 hash, if it was ever stamped. Never creates a stamp.
tithonus_nowread-onlyGet a signed statement of the current UTC time from tithonus.org. It includes the latest drand round, so anyone can see it was made after that moment. Use when you need trustworthy current time, or proof of when you asked. Pass a fresh nonce to bind the answer to your request.
tithonus_stampNotarise something so you can later prove it existed (or that you knew or said it) by now. Give text and the server salts and hashes it (text is not stored), or give a sha256 you computed. Returns a receipt link anyone can check. Stamping the same hash again returns the original receipt.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "org.tithonus/mcp",
  "title": "tithonus",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://tithonus.org/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "3.6.0",
  "repository": {
    "url": "https://github.com/llamr/tithonus.org",
    "source": "github"
  },
  "websiteUrl": "https://tithonus.org/",
  "description": "Signed time, Bitcoin-anchored notarisation and drand randomness for agents. No account."
}