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Codeforces MCP Server

Official registry Search and web

Search Codeforces problems and inspect public problem metadata through the official Codeforces API.

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http codeforces-mcp-server 'https://codeforces-oj-mcp.lantangtang54.workers.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "codeforces-mcp-server": {
            "type": "http",
            "url": "https://codeforces-oj-mcp.lantangtang54.workers.dev/mcp"
        }
    }
}

Frequently asked questions

What is Codeforces MCP Server?

Search Codeforces problems and inspect public problem metadata through the official Codeforces API.

How do I install Codeforces MCP Server?

It runs as a remote server. In Claude Code: claude mcp add --transport http codeforces-mcp-server 'https://codeforces-oj-mcp.lantangtang54.workers.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Codeforces MCP Server need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Codeforces MCP Server open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Codeforces MCP Server?

It is published by ketherworks. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.