Spec Kit 0.4.5: Claude Code Skills & Plugin Migration
Spec Kit 0.4.5 brings Claude Code as native skills, completes the plugin architecture migration with 19 agents moved to TOML, and removes legacy scaffolding.
TL;DR
- Claude Code now installs as native skills in Spec Kit
- Major plugin architecture migration: 19 markdown agents + Gemini/Tabnine moved to TOML integrations
- Legacy scaffold path removed — Stage 6 migration complete
New
- Claude Code native skills — Claude Code integrates as native skills with aligned preset/integration flows
- --dry-run flag for create-new-feature — Test feature branch creation without committing changes
- 5 lifecycle extensions — New community catalog entries for workflow automation
- fix-findings extension — Added to community catalog for issue remediation
- repoindex 0402 — Updated repository indexing support
Fixed
- Feature branch numbers — Now supports 4+ digit branch numbers correctly
Breaking Changes
- Legacy scaffold path removed — Stage 6 migration complete; old scaffold infrastructure no longer available
- Plugin architecture migration — 19 markdown agents and Gemini/Tabnine integrations migrated to TOML plugin format; verify your custom integrations are compatible
uv tool install specify-cli --from git+https://github.com/github/spec-kit.git@v0.4.5
Source: Spec Kit
