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Speller MCP Server

answering

Speller is answering right now. Last checked 6 min ago. It exposes 1 tools.

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

Uptime history 6 days of history · worst day 99%
6 days agonow
100.0%
Uptime 24h
91 of 91 checks
1
Tools
read from the server
898 ms
Response time
average over 24h
open, no key
Access
streamable-http

Speller missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

run in your terminal
claude mcp add speller --transport http https://speller.thekorean.today/mcp
Settings → Connectors → Add custom connector, then paste this address
https://speller.thekorean.today/mcp
~/.codex/config.toml
[mcp_servers.speller]
url = "https://speller.thekorean.today/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "speller": {
      "url": "https://speller.thekorean.today/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "speller": {
      "type": "http",
      "url": "https://speller.thekorean.today/mcp"
    }
  }
}

Available tools 1

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

korean
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.

Endpoints

URLTransportStateLatencyChecked
https://speller.thekorean.today/mcp streamable-http answering 930 ms 6 min ago

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Speller — questions

Answers built from our own checks of this server.

What can Speller do?
It exposes 1 tools, read directly from the server on our last check. Among them: check_korean. 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 Speller 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 898 ms. The bar chart above shows every period we have measured.
How do I connect Speller?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Speller need an API key?
No. Speller completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Speller?
It answers our handshake in 898 ms on average, which is faster than 7% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.