MCP knowledge pack for the stateless 2026-07-28 revision: per-request `_meta`, `server/discover`, `resultType`, multi round-trip requests, stdio and Streamable HTTP transports. Use when building, reviewing, or migrating an MCP server or client, or when code still calls `initialize`, `Mcp-Session-Id`
MCP knowledge pack for the stateless 2026-07-28 revision: per-request `_meta`, `server/discover`, `resultType`, multi round-trip requests, stdio and Streamable HTTP transports. Use when building, reviewing, or migrating an MCP server or client, or when code still calls `initialize`, `Mcp-Session-Id`, or `resources/subscribe`.