ブラウザ操作AIはオワコン？Google Project Mariner終了が証明したAPIファーストの時代

Mocchii the hamster and Kinako the budgerigar explain why Google Project Mariner ended and what it means for AI agent design! Google's Project Mariner—the AI that browsed the web like a human—was shut down in May 2026. Why did browser-operation AI fail? And where is the AI agent market heading? ▼ Key Points ✅ Project Mariner's full story: Oct 2024 launch → May 2026 shutdown ✅ 3 fatal limits of browser AI: accuracy errors, CAPTCHA blocks, security risks ✅ API-first era: How Claude Code and MCP prove the new paradigm ✅ MCP explosive growth: 1,200 → 9,400+ servers in one year ✅ 2026 AI agent market: $12.8B → $30.1B growth with 3-segment structure ✅ Remaining use cases for Computer Use: legacy systems, test automation Subscribe for weekly AI deep-dives in kawaii style! #ProjectMariner #GoogleAI #APIFirst #MCP #ClaudeCode #AIAgents #BrowserAI #AITools #AINews #TechExplained