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* feat(#1914): OpenCode native plugin integration (Option 1 file-copy) Ship a native OpenCode plugin (.opencode/plugins/gsd-core.js) plus the installer step that delivers it, so GSD's lifecycle hooks run on OpenCode. OpenCode declares hooksSurface:'none', so GSD's hook scripts already ship to <configDir>/hooks/ but nothing invokes them; the plugin bridges OpenCode's event bus onto those scripts as subprocesses (prompt/read/worktree/workflow guards, injection scanner, context monitor). Distribution is Option 1 (file copy) per the #1914 triage decision: no scripts.build rename, no prepare/prepack removal. package.json gains main + .opencode in files[] for discovery. Corrected against OpenCode's docs + loader source (not the reference branch): - Auto-discovery globs {plugin,plugins}/*.{ts,js} — .cjs is never matched, so the installed adapter must be .js (config dir carries {"type":"commonjs"}). - No opencode.json plugin-array patch — that array is npm-only; local files are auto-discovered. - REPO_ROOT is resolved by walking up to the dir holding hooks/ + gsd-core/, correct for package tree, global install, and local install. - Config-hook registration is gated (IS_PACKAGE_TREE) so it never double-registers commands/agents/skills already delivered by native copy. Also fixes an incidental .gitignore drift: 8 ADR-1239 .cts-generated .cjs artifacts were untracked-and-not-ignored (leak risk) — now ignored. Tests: tests/opencode-plugin-adapter.test.cjs (14, pure helpers + real subprocess bridge against stub hooks); golden-install-parity regenerated. Green on Mac + Linux (gsd-test): 0 failures. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * fix(#1914): harden OpenCode plugin export shape + advisory accumulation (adversarial findings) Address Codex adversarial-review findings: - HIGH: export `{ id, server }` could trip OpenCode's loader (`for (entry of Object.values(mod)) getServerPlugin(entry)` throws on a non-extractable value). Make `id` NON-ENUMERABLE and assign module.exports from a variable (not a literal) so no string `id` is ever iterated — verified loader-safe under real import(pathToFileURL) (default + module.exports alias, both objects with .server; no bare id string). - MEDIUM: sequential advisory hooks clobbered output.metadata._gsdAdvisory; now accumulate into an array. - LOW: resolveRepoRoot fallback returned ".." while the comment said "../.." — aligned to "../.." (package-tree depth). Tests: added a faithful loader-loop emulation (raw CJS + ESM namespace views), advisory-accumulation, and a real bin/install.js copy→manifest→uninstall integration test. golden regenerated. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * docs(#1914): add changeset fragment for OpenCode plugin integration (PR #1923) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * fix(#1914): Windows — assert rewritten path with string include, not path-regex The Read content-rewrite test built a RegExp from `path.join(root,'gsd-core')`. On Windows the backslashes in the path are interpreted as regex escapes, so the assertion never matched and `test (windows-latest, 24)` failed — even though the adapter rewrote the path correctly. Replace the RegExp with a separator-agnostic `String.includes` check (the repo's no-path-literal-in-assert concern). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
GSD Core
Git. Ship. Done.
English · Português · 简体中文 · 日本語 · 한국어
A light-weight meta-prompting, context engineering, and spec-driven development system for Claude Code, OpenCode, Gemini 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, Gemini 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, Gemini 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 your first project:
/gsd-new-project
New here? Follow Your first project for a guided walkthrough from install to first shipped phase.
Documentation
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.