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mcp/harbor
Verified official

AtCoder MCP Server MCP

v0.1.0

io.github.ketherworks/atcoder

Search AtCoder problems and fetch public problem statements through MCP.

transport:streamable-http
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Target client

run in your project directory 

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

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.