Install AtCoder in Claude Code
claude mcp add --transport http atcoder https://api.ksrnyx.top/oj-mcp/atcoder/mcp{
"mcpServers": {
"atcoder": {
"url": "https://api.ksrnyx.top/oj-mcp/atcoder/mcp"
}
}
}Frequently asked questions
What does the AtCoder MCP server do?
Search AtCoder problems and fetch public problem statements through MCP.
Is the AtCoder MCP server free?
The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.
Does AtCoder run locally or remotely?
Remote. Hosted by the provider. You connect with a URL, nothing to install.
How do I add AtCoder to Claude Code?
Run: claude mcp add --transport http atcoder https://api.ksrnyx.top/oj-mcp/atcoder/mcp
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