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* test(#4094): failing-first matrix for withholding all four progress counters * fix(#4094): withhold all four progress counters under the milestone-unbounded guard completed_phases/total_plans/completed_plans are accumulated from the same phaseDirs walk as total_phases, so the #3354/#3573 withhold condition makes them equally untrustworthy — yet only total_phases was withheld, and every resyncing state.* write silently clobbered the three stored siblings with the under-scoped disk numbers. Extend the withhold-then-fall-back-to-stored pattern to all three siblings: null sentinels in the disk-scan cache value, three new stored-counter readers threaded through all three buildStateFrontmatter call sites, and the same cached-else-stored consumer fallback. Milestone-bounded projects are untouched (gate-conditional). * fix(#4094): scope-requires for the new test block, keep the (#3573) warning token, and update two #3578 rows to the withheld-counter contract - the #4094 describe sat after the closing brace of the section that owned the module-level beforeEach destructure, so it needs its own local requires (mirroring the #3642 block); - the #3573 warning keeps its literal '(#3573)' tag (asserted by an existing test) with '#4094' appended as a separate token; - two #3578 status-guard rows in tests/state.test.cjs asserted the pre-#4094 unconditional disk-scan assignment of completed_phases under the roadmap-absent withhold — exactly the silent clobber #4094 removes; the status-guard conclusion (must not fire) is unchanged, the counter-value assertions now pin the withheld contract. * test(#4094): lint conformance — splitLines for the persisted-progress parser, local seeder, scoped rmSync disable * changeset(#4094) * changeset(#4094): backfill PR number --------- Co-authored-by: sim <sim@local>
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.