produced by Classmethod

# JSON articles

Understanding the True Nature of MCP: From the Tool Use Agent Loop to JSON-RPC 2.0 Two-Layer Error Handling

2026.07.10

I tried verifying all patterns of Claude Code's SessionStart hook (Windows 11 + MINGW64)

越井琢巳 (Koshii Takumi)

2026.03.10

Testing Bedrock's New Feature: Structured Outputs to Enforce Strict JSON Output

2026.02.05

Comparing Twilio SendGrid's Activity feed and Email Logs, and verifying CSV and JSON

越井琢巳 (Koshii Takumi)

2026.01.15