Merge pull request modelcontextprotocol#1808 from modelcontextprotoco…

…l/localden/anniversary-blog

(chore): Add post for MCP first anniversary and Nov 2025 release

Merge pull request modelcontextprotocol#1707 from modelcontextprotoco…

…l/aaronpk/ext-auth

add description of authorization extensions to main authorization spec page

Merge pull request modelcontextprotocol#783 from modelcontextprotocol…

…/davidsp/2025-06-18

The Model Context Protocol - Revision 2025-06-18

Merge pull request modelcontextprotocol#232 from modelcontextprotocol…

…/justin/release

2025-03-26 release

Merge pull request modelcontextprotocol#173 from PederHP/feat/complet…

…ion_capability_as_optional

Completions capability flag

Model Context Protocol Protocol version 2024-11-05