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* refactor(#2360): host dispatch table + state cutover pilot (ADR-2346 P1) Pilot cutover for ADR-2346 Phase 1 (epic #2345). Introduces the Layer-2 host dispatch table — dispatchHostCommand + HOST_COMMAND_ROUTERS, consulted in runCommand's default case after capability/overlay dispatch, before the unknown-command error. Migrates 'state' as the pilot: removes the hardcoded case 'state': arm; state now dispatches default -> dispatchHostCommand -> routeStateCommand, byte-identical to the old path (proven by the new state-command-cutover equivalence test, 5-category template). Host commands are NOT capabilities (core, non-toggleable, no tier/activationKey) — the capability registry stays reserved for toggleable feature bundles per ADR-959. This is the host-vs-capability distinction the merged ADR-2346 lacked; the ADR is corrected here alongside the code that realizes it. - gsd-core/bin/gsd-tools.cjs: HOST_COMMAND_ROUTERS + dispatchHostCommand (prototype-pollution-safe); wired into default case; case 'state': removed; dispatchHostCommand + HOST_COMMAND_ROUTERS exported for tests. - tests/state-command-cutover.test.cjs: UNIT/DISPATCH/BEHAVIOR/REGISTRY equivalence (recording-mock + runGsdTools end-to-end + pollution guard). - docs/adr/2346-*.md: refine Decision 1/2 to the host-table vs capability- registry model (correction that did not land in the merged #2355). Behavior-preserving. Subsequent P1b/c PRs migrate phase/init/roadmap/validate/ verify using this proven template. Closes #2360. * test(#2360): regenerate golden fixtures + allowlist for state cutover Bookkeeping for the gsd-tools.cjs change: npm run gen:golden regenerates the install-parity fixtures (gsd-tools.cjs content hash changed), and the new tests/state-command-cutover.test.cjs is added to the lint-test-file-count allowlist under the 'state' prefix. * refactor(#2360): migrate remaining Tier-1 routers (phase/init/roadmap/validate/verify) Completes P1: all 6 Tier-1 host routers now dispatch via HOST_COMMAND_ROUTERS (state landed in the pilot commit). init preserves its #1688 warnIfStaleBake pre-hook; validate binds the output emitter. Cutover test extended to assert all 6 are consumed + owned. Golden install-parity fixtures regenerated.
GSD Core
Git. Ship. Done.
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A light-weight meta-prompting, context engineering, and spec-driven development system for Claude Code, OpenCode, Antigravity CLI, Kimi CLI, Kilo, Codex, Copilot, Cursor, Windsurf, and more.
What is GSD Core
GSD Core is a context-engineering and spec-driven development framework that drives AI coding agents (Claude Code, Codex, Antigravity CLI, Kimi CLI, Copilot, Cursor, and more) through a disciplined phase loop. It solves context rot — the quality degradation that accumulates as an AI fills its context window — by running all heavy research, planning, and execution work in fresh-context subagents while keeping your main session lean.
How it works
Each milestone repeats the same five-step loop, one phase at a time:
- Discuss — capture implementation decisions before anything is planned
- Plan — research, decompose, and verify the plan fits a fresh context window
- Execute — run plans in parallel waves; each executor starts with a clean 200k-token context
- Verify — walk through what was built; diagnose and fix before declaring done
- Ship — create the PR, archive the phase, repeat for the next one
Quickstart
npx @opengsd/gsd-core@latest
The installer prompts for your runtime (Claude Code, OpenCode, Antigravity CLI, Kimi CLI, Kilo, Codex, Copilot, Cursor, Windsurf, and more) and whether to install globally or locally. The installer is required for cross-runtime compatibility — do not copy files from agents/ or commands/ directly.
On another runtime or without Node.js? See Install on your runtime.
Once installed, start a new project or onboard an existing repo:
/gsd-new-project # greenfield project
/gsd-onboard # existing codebase
New here? Follow Your first project for a guided walkthrough from install to first shipped phase, or Onboarding an existing codebase for brownfield setup.
Documentation
What's new in 1.7.0 → docs/whats-new-1.7.0.md
Tutorials — learning by doing:
How-to guides — task-focused recipes:
Reference — authoritative facts:
Explanation — concepts and design decisions:
Full index: docs/README.md. Other languages: 日本語 · 한국어 · Português · 简体中文.
Why it works
Most AI-coding setups fail at scale because context bloat silently degrades output quality, there is no shared memory between sessions, and nothing verifies that code actually works. GSD Core solves all three: heavy work runs in fresh subagents, structured artifacts like STATE.md and CONTEXT.md survive session boundaries, and the verify step walks through what was built and generates fix plans before a phase is declared done. See docs/explanation/context-engineering.md for the full reasoning.
Troubleshooting? See docs/how-to/recover-and-troubleshoot.md.
Community
| Project | Platform |
|---|---|
| gsd-opencode | Original OpenCode port |
| Discord | Community support |
Star History
License
MIT License. See LICENSE for details.
Claude Code is powerful. GSD Core makes it reliable.