This release includes 3 breaking changes for platform teams planning a safe upgrade.
✓ No known CVEs patched in this version
Topics
+8 more
Affected surfaces
Summary
AI summaryMigrate to the Agent Skills standard format, adding essential guardrails and removing IDE-specific build artifacts.
Full changelog
Minor Changes
-
2bf3f65: feat(rules,skills,cli): migrate to Agent Skills standard format
@contentrain/rules:
- Add
essential/contentrain-essentials.md— compact always-loaded guardrails (~86 lines) - Remove
ide/directory andscripts/build-rules.ts(IDE-specific build system) - Replace
ALL_SHARED_RULES,IDE_RULE_FILESexports withESSENTIAL_RULES_FILE - Always-loaded context reduced from 2,945 lines to 86 lines (97% reduction)
@contentrain/skills:
- Add
skills/directory with 15 Agent Skills (SKILL.md + references/) following agentskills.io standard - Add
AGENT_SKILLScatalog export for Tier 1 discovery (name + description) - New
contentrain-sdkskill for @contentrain/query usage (local + CDN) - Existing
workflows/andframeworks/kept for backward compatibility
contentrain (CLI):
- Rewrite
installRules()with generic IDE installer supporting Claude Code, Cursor, Windsurf, and GitHub Copilot - Install one compact essential guardrails file per IDE (always-loaded) + Agent Skills directories (on-demand)
- Automatic cleanup of old granular rule files from previous versions
- Add
Breaking Changes
- Removed `ide/` directory and `scripts/build-rules.ts` (IDE-specific build system).
- Replaced exports `ALL_SHARED_RULES`, `IDE_RULE_FILES` with `ESSENTIAL_RULES_FILE`.
- Reduced always‑loaded context from 2,945 lines to 86 lines (97% reduction).
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About Contentrain/ai
Local-first MCP server for AI content governance — 13 tools for model/content CRUD, validation, normalization, and i18n across any framework.
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