Production MCP 2026-07-28 release.
- Completes the breaking modern-only migration introduced in v4.0.0.
- Uses the split MCP SDK v2 packages and stateless per-request HTTP transport.
- Removes initialize, session IDs, GET/DELETE lifecycle routes, and legacy protocol fallbacks.
- Publishes the validated npm tarball through an explicit local artifact path.
- Includes 33 read-only public tools, strict protocol routing, cache hints, and signed input_required state for optional write tools.
See docs/CHANGELOG.md for the complete migration notes.