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* fix(#2479): drop the codex hook-trust bypass flag and its capability probe The /gsd-review codex lane emitted a hook-trust bypass flag via a capability-probed variable (#1115). Host-harness safety classifiers deny commands carrying the flag (23/33 sampled invocations), one denial citing the probe itself as intent, while flagless retries succeeded 32/32 — the flag only bypasses persisted hook trust, a first-run condition with no steady-state value. Remove both the flag and the probe per maintainer direction (no config key). #1115's diagnosability half — stderr to .err, folded into the lane on empty output — is untouched; its version-gate becomes vacuous with no flag to gate. The regression test inverts: the literal flag is now banned file-wide in review.md (covers continuation lines, carrier variables, and probes), alongside bans on the carrier variable and any codex help-grep probe shape. Fixes #2479 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * chore(#2479): add changeset for PR #2536 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * chore(#2479): changeset body in house format (bold lead) + post-rebase fixture regen Review round 2 Minor: wrap the changeset lead clause in the required **bold** span (reviewer-supplied text, applied verbatim). Rebased onto current next; golden-install-parity (19 runtimes) + size baseline regenerated — delta confined to review.md's hash/size. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> --------- Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
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.