AtCoder MCP Server

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About

Search AtCoder problems and fetch public problem statements through MCP.

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

TransportHTTP (remote server)

Claude Code

claude mcp add --transport http atcoder https://api.ksrnyx.top/oj-mcp/atcoder/mcp

Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code

code --add-mcp '{"name":"atcoder","type":"http","url":"https://api.ksrnyx.top/oj-mcp/atcoder/mcp"}'

JSON

{
  "mcpServers": {
    "atcoder": {
      "url": "https://api.ksrnyx.top/oj-mcp/atcoder/mcp"
    }
  }
}