# today.thekorean/speller

> Free Korean spell & spacing checker (코리안투데이 맞춤법 검사기). No sign-up, text not stored.

- name: today.thekorean/speller
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 89/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/today.thekorean%2Fspeller
- tools: https://api.protogrid.dev/v1/servers/today.thekorean%2Fspeller/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "speller": {
      "type": "http",
      "url": "https://speller.thekorean.today/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-4d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 89/100 (new)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### 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: 100 (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`: 1 of 1 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 228 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

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

- n/a `stability.changes`, `stability.rug_pull`: tool history recorded for 4 of the 7 days needed

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

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

- tools: 1, about 228 tokens to load them all
- tool set hash: d79a8db8380103417a055d5c6dc37845
- tools last changed: 2026-11-03T17:48:37.249Z
- badge: [![protogrid quality](https://protogrid.dev/badge/today.thekorean/speller.svg)](https://protogrid.dev/servers/today.thekorean/speller)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-11-03 `check_korean` changed (annotations)

Full history: https://api.protogrid.dev/v1/servers/today.thekorean%2Fspeller/changes

## Remotes

- https://speller.thekorean.today/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (1)

- `check_korean`: Check Korean text for spelling and spacing errors with the free rule-based engine of The Korean Today (코리안투데이). Returns issues with positions, the suggested correction, level ("error" = certain, "check" = please review) and a short reason in Korean. Proper nouns, quotes and style are not changed. Up to 10000 characters per call.