AtCoder MCP Server

What you can do with AtCoder MCP Server

AtCoder MCP Server is a Model Context Protocol (MCP) server published by ketherworks. It ranks #82,831 of 167,945 active servers on MCP Toplist. AtCoder MCP Server is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Jul 14, 2026 and most recently updated on Jul 21, 2026.

What AtCoder MCP Server can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

What you need before using AtCoder MCP Server

Connect AtCoder MCP Server and confirm it works

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

[mcp_servers.atcoder]
url = "https://api.ksrnyx.top/oj-mcp/atcoder/mcp"

https://api.ksrnyx.top/oj-mcp/atcoder/mcp

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

{
  "servers": {
    "atcoder": {
      "type": "http",
      "url": "https://api.ksrnyx.top/oj-mcp/atcoder/mcp"
    }
  }
}

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

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

When to choose another server

• NowCoder ACM Problem MCP Server#67,627
• Codeforces MCP Server#82,832

No task-specific alternatives are catalogued for AtCoder MCP Serveryet; the list above is its publisher's other servers.

What changed, and when this was checked

First listed

Jul 14, 2026

Latest version published

Jul 21, 2026

Version history

1 version tracked (below)

Requirements evidence

MCP Toplist probed the public endpoint on Oct 27, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.

Profile checked

Not yet — purpose, capabilities and requirements above come from registry data only

Ranking data as of

Nov 3, 2026

Do you maintain AtCoder MCP Server? Claim it to correct or enrich this profile.

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

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