- Target MCP Java SDK 2.0.1 and specification revision 2025-11-25.
- Rewrite the description with user intent triggers and exclusions.
- Add the compatibility field.
- Add a five-step workflow checklist with a build loop.
- Add a Maven template, a stdio server template, and a JUnit test that
starts the server as a subprocess with the SDK client.
- Add Gotchas for SDK 2.x changes, schema validation, error results,
stdout in stdio servers, and the features that SEP-2577 deprecates.
- Add references/gradle.md for Gradle projects.
- Add references/streamable-http.md for Servlet, Spring AI, and
transport security.
- Update the skill description in docs/README.skills.md.
