v6.0.0

6.0.0 (2026-08-12)

⚠ BREAKING CHANGES

• MCP SDK upgraded from v1 to v2 packages. Server now
  speaks the 2026-07-28 protocol revision with stateless compatibility
  for 2025-era clients. Requires Node.js >=22.14.0.

• Replace @modelcontextprotocol/sdk with @modelcontextprotocol/server
  and @modelcontextprotocol/node (v2 package split)
• Remove unused hono dependency and its .npmrc override
• Migrate stdio entry point to serveStdio() from @modelcontextprotocol/server/stdio
• Migrate HTTP entry point to createMcpHandler() + toNodeHandler()
  with legacy: stateless for backward compatibility
• Change createServer() to return McpServer instead of low-level Server

Features

• migrate to MCP SDK v2 and 2026-07-28 protocol (5f865ba)