MCP server for querying the Japanese KAKEN database of scientific research grants, enabling search of projects and researchers via Claude.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
fast-xml-parser has an entity encoding bypass via regex injection in DOCTYPE entity names
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)
fast-xml-parser affected by DoS through entity expansion in DOCTYPE (no expansion limit)
process.env. You'll be asked to provide them before it can run.KAKEN_APPID— 科学研究費助成事業データベース(KAKEN)の公式 OpenSearch API を Claude から利用するためのローカル MCP サーバ。claude_desktop_config.json の env 経由で を渡せるため、Win/Mac の Claude Desktop で確実に動作する。[](https://m8ven.ai/mcp/masa-med-ai-kaken-mcp-server-0zmwsb)