release: version 3.15.0 - MCP Apps integration
Bump version to 3.15.0 with comprehensive MCP Apps documentation.
Version updates:
- VERSION: 3.14.0 → 3.15.0
- Synced across: README.md, cheatsheet.md, ultimate-guide.md, reference.yaml
- Updated date: reference.yaml (2026-01-27)
CHANGELOG.md:
- Added MCP Apps (SEP-1865) documentation entry in [Unreleased]
- ~50 lines detailing all changes:
- architecture.md section (~150 lines)
- ultimate-guide.md section (~90 lines)
- Table update (Plugin vs MCP vs MCP Apps)
- machine-readable/reference.yaml (8 entries)
- Resource evaluation (159 lines, score 4/5)
- Key facts: First official MCP extension, co-authored OpenAI+Anthropic
- 9 interactive tools at launch (Asana, Slack, Figma, etc.)
- Platform support: Claude Desktop, VS Code, ChatGPT, Goose
- CLI relevance: Indirect (ecosystem, dev, hybrid workflows)
README.md:
- Resource Evaluations: 14 → 15 assessments
docs/resource-evaluations/README.md:
- Added MCP Apps entry in index table
- Score: 3/5 → 4/5 (High Value)
- Updated date: 2026-01-27
- Confirmed count: 15 evaluations
Total changes:
- 2 commits (MCP Apps docs + version bump)
- ~240 lines documentation (architecture + guide)
- 15 resource evaluations tracked
- 4/5 integration score (ecosystem impact)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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