Codeforces MCP Server vs AtCoder MCP Server

In-depth architectural comparison of the Codeforces MCP Server and AtCoder MCP Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Codeforces MCP Server when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Codeforces MCP Server Details

Choose AtCoder MCP Server when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore AtCoder MCP Server Details

Feature & Specification Comparison

Specification	Codeforces MCP Server Developer Tools	AtCoder MCP Server Developer Tools
Summary	Search Codeforces problems and inspect public problem metadata through the official Codeforces API.	Search AtCoder problems and fetch public problem statements through MCP.
Category & Scope	Developer Tools	Developer Tools

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "codeforces-mcp-server": {
      "url": "https://codeforces-mcp.ksrnyx.top/mcp"
    }
  }
}

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

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