June 18, 2025

  • Claude Code now supports SSE and HTTP transports for MCP servers, enabling real-time communication
  • Use /mcp command to authenticate with remote MCP servers via OAuth 2.0
  • Reference MCP resources with @server:protocol://path format in your prompts

June 11, 2025

June 4, 2025

May 22nd, 2025

  • Claude Code is now generally available (GA)!

February 24th, 2025

  • Claude Code, the agentic command line tool, is now officially available in research preview.

For a full changelog, see CHANGELOG.md in the claude-code repo.