# 縦綱 Tatezuna — o-sumo

> Grand Sumo (大相撲) banzuke, torikumi results, and rikishi profiles from osada.us. Read-only, no auth.

- name: us.osada/o-sumo
- version: 1.0.1
- connection class: R0 (autonomous)
- trust: 94/100
- quality: 90/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/us.osada%2Fo-sumo
- tools: https://api.protogrid.dev/v1/servers/us.osada%2Fo-sumo/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "o-sumo": {
      "type": "http",
      "url": "https://osada.us/mcp"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 96
- freshness: 100
- provenance: 85
- drivers: +repository +dns-namespace +website +reachable +uptime-91% +updated-9d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 90/100 (strong)

### protocol: 88 (weight 25)

- pass `protocol.modern`: supports 2026-07-28 (server/discover)
- pass `protocol.stateless`: answers without a session
- pass `protocol.transport`: streamable HTTP
- warn `protocol.list_ttl`: tools/list declares ttlMs 0, so clients re-fetch it on every use

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 88 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 5 of 5 tools declare readOnlyHint or destructiveHint
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: search_rikishi (idempotentHint); get_rikishi_profile (idempotentHint); get_torikumi (idempotentHint); …
- pass `tools.token_cost`: about 553 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: 100 (weight 15)

- pass `stability.changes`: 5 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name
- pass `stability.new_links`: no tool change named a new site

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 5, about 553 tokens to load them all
- tool set hash: c574b39a5d36e47979e91235269833ef
- tools last changed: 2026-11-05T06:28:51.678Z
- badge: [![protogrid quality](https://protogrid.dev/badge/us.osada/o-sumo.svg)](https://protogrid.dev/servers/us.osada/o-sumo)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-11-05 `list_basho` changed (annotations)
- 2026-11-05 `get_torikumi` changed (annotations)
- 2026-11-05 `get_banzuke` changed (annotations)
- 2026-11-05 `get_rikishi_profile` changed (annotations)
- 2026-11-05 `search_rikishi` changed (annotations)

Full history: https://api.protogrid.dev/v1/servers/us.osada%2Fo-sumo/changes

## Remotes

- https://osada.us/mcp (streamable-http, auth none, reachable true, uptime30d 0.9117647)

## Packages

_none_

## Tools (5)

- `get_banzuke`: Get official Grand Sumo banzuke (rankings for makuuchi and juryo divisions). Optionally specify monthKey (YYYYMM, e.g. "202609") for historical basho, or omit for the latest basho.
- `get_rikishi_profile`: Get detailed profile and career record for a specific rikishi by numeric ID.
- `get_torikumi`: Get torikumi match results or schedule for a specific day (pathDate in YYYYMMDD format).
- `list_basho`: List current and archived Grand Sumo basho available in o-sumo, along with their page URLs and API endpoints.
- `search_rikishi`: Search Grand Sumo rikishi by 四股名 (shikona) or 読み (yomi). Returns up to 20 matching rikishi with their ID, name, reading, current rank, and profile URLs.