v2.0.0 — The Portability Release

[2.0.0] — 2026-04-15

The portability release. ETYB is now a cross-platform virtual engineering team with adapters for Claude Code, OpenAI Codex, and Google Antigravity. Skills are reorganized for independent use on any agentskills.io-compliant platform.

Breaking

• orchestrator skill renamed to etyb. The folder moved from skills/orchestrator/ to skills/etyb/. Any code or prompts invoking the old name must be updated. Motivation: the skill IS the product brand — one name across marketplace, repo, invocation.
• etyb/references/verification-protocol.md → skills/verification-protocol/. Verification is now its own peer skill. Specialists that referenced the old path have been updated; external references need to update to skills/verification-protocol/references/verification-methodology.md.
• etyb/references/debugging-protocol.md → skills/debugging-protocol/. Same pattern as verification.
• Total skill count: 29 → 31. Two new peer protocol skills (verification-protocol, debugging-protocol) extracted from etyb's references.

Added

• Portable core architecture. skills/etyb/SKILL.md is now a 65-line thin entry point pointing at eight focused core modules (core/charter.md, team-registry.md, gates.md, expert-mandating.md, coordination-patterns.md, response-formats.md, scale-calibration.md, always-on-protocols.md). Core modules are platform-neutral and loadable on demand.
• Claude Code adapter (skills/etyb/adapters/claude/) — ADAPTER.md, hooks.md, plan-mode.md, subagents.md. Deterministic hook enforcement; flagship experience.
• OpenAI Codex adapter (skills/etyb/adapters/codex/) — ADAPTER.md, enforcement-notes.md, openai-yaml-example.md. Model-trusted gates, grounded in current Codex Agent Skills spec.
• Google Antigravity adapter (skills/etyb/adapters/antigravity/) — ADAPTER.md, enforcement-notes.md, adk-integration.md. Model-trusted with optional ADK sub-agent elevation for parallel tracks.
• verification-protocol skill — the Five Verification Questions, universal completion report, done criteria per gate, evidence standards. Independently installable.
• debugging-protocol skill — root-cause-first methodology, hypothesis-driven debugging, one-variable rule, three-failure escalation. Independently installable.
• VERSION file, manifest.json, CHANGELOG.md at repo root for versioning and update-mechanism infrastructure.

Changed

• Bundle name/brand alignment. Plugin descriptions, marketplace configs, README, CLAUDE.md, architecture.md, and all cross-references now use "ETYB" as the brand name.
• Frontmatter compliance. All 30 SKILL.md files validated against the agentskills.io specification — name (lowercase+hyphens, matches parent dir), description (≤1024 chars), compatibility (≤500 chars where present).
• Specialists are standalone. Every specialist now works without etyb installed. References to etyb are supplemental cross-references, not hard dependencies. The invariant "uninstall etyb → specialists still function" holds.
• Counts updated across docs. 31 total skills, 9 process protocols (was 7), 1 reference remaining in etyb (was 3 — two extracted as peer skills).

Migration Notes

If you had skills/orchestrator/ installed:

1. git pull (or reinstall via your marketplace tool of choice) — the rename is a git mv so history is preserved.
2. Update any prompts or scripts invoking orchestrator to use etyb instead.
3. If you had custom references to skills/etyb/references/verification-protocol.md or skills/etyb/references/debugging-protocol.md, update them to skills/verification-protocol/references/verification-methodology.md and skills/debugging-protocol/references/debugging-methodology.md.