4 tagged competitive programming, measured the same way as everything else here.
MCP server Claude CodeCodexCursor +2
Search Luogu problems, fetch statements, explore problem sets and get practice recommendations. Remote server at luogu-mcp-server.lantangtang54.workers.dev.
ketherworks/codeforces-mcp-server
MCP server Claude CodeCodexCursor
Search Codeforces problems and inspect public problem metadata through the official Codeforces API. Remote server at codeforces-oj-mcp.lantangtang54.workers.dev.
MCP server Claude CodeCodexCursor +2
MCP server "repovive-mcp" as configured in dwin-gharibi/repovive-mcp. Runs locally from the repovive-mcp Python package.
ketherworks/atcoder-mcp-server
MCP server Claude CodeCodexCursor +2
Search AtCoder problems and fetch public problem statements through MCP. Remote server at api.ksrnyx.top.