{"published":"2026-04-28 09:00:00","version":"1.0","author_url":"https://blog.hatena.ne.jp/yatta47/","author_name":"yatta47","blog_title":"/var/www/yatta47.log","image_url":null,"width":"100%","url":"https://yatta47.hateblo.jp/entry/2026/04/28/090000","provider_name":"Hatena Blog","title":"MCP \u30b5\u30fc\u30d0\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af \u2014 tool poisoning \u306b\u3088\u308b .env \u6f0f\u6d29\u30d1\u30bf\u30fc\u30f3","categories":["claude"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyatta47.hateblo.jp%2Fentry%2F2026%2F04%2F28%2F090000\" title=\"MCP \u30b5\u30fc\u30d0\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af \u2014 tool poisoning \u306b\u3088\u308b .env \u6f0f\u6d29\u30d1\u30bf\u30fc\u30f3 - /var/www/yatta47.log\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"MCP \u30b5\u30fc\u30d0\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u8abf\u3079\u3066\u305f\u3089\u3001\u300ctool poisoning\u300d\u3068\u3044\u3046\u653b\u6483\u30d1\u30bf\u30fc\u30f3\u304c\u601d\u3063\u305f\u3088\u308a\u5177\u4f53\u7684\u3067\u3001\u3057\u304b\u3082\u653b\u6483\u5b9f\u8a3c\uff08PoC\uff09\u3084\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5831\u544a\u304c\u3059\u3067\u306b\u8907\u6570\u51fa\u3066\u305f\u3093\u3067\u3059\u3088\u306d\u3002 \u81ea\u5206\u3082 Claude Code \u306b\u5916\u90e8\u30b9\u30ad\u30eb\u3092\u5165\u308c\u3066\u308b\u306e\u3067\u3001\u4ed6\u4eba\u4e8b\u3058\u3083\u306a\u304b\u3063\u305f\u3067\u3059\u3002\u6574\u7406\u3057\u307e\u3059\u3002 \u4f55\u3092\u8abf\u3079\u305f\u304b MCP\uff08Model Context Protocol\uff09\u5bfe\u5fdc\u306e\u30c4\u30fc\u30eb\u3084\u30b5\u30fc\u30d0\u30fc\u3092 AI \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u3068\u304d\u3001\u3069\u3093\u306a\u653b\u6483\u7d4c\u8def\u304c\u3042\u308b\u304b\u3092\u8abf\u3079\u307e\u3057\u305f\u3002 \u7279\u306b\u300c.env \u30d5\u30a1\u30a4\u30eb\u306e\u79d8\u5bc6\u60c5\u5831\u304c\u5916\u90e8\u306b\u6f0f\u308c\u308b\u300d\u3068\u3044\u3046\u30b7\u30ca\u30ea\u30aa\u306b\u7d5e\u3063\u3066\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002 tool poisoning \u3068\u306f\u3069\u3046\u3044\u3046\u3053\u3068\u304b \u2026","provider_url":"https://hatena.blog","type":"rich","blog_url":"https://yatta47.hateblo.jp/","height":"190"}