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* fix(#1747): register four search-provider keys in the config schema buildNewProjectConfig emits seven search-provider availability flags and research-provider.cts providerAvailability() consumes all seven, but only three were registered in VALID_CONFIG_KEYS (config-schema.manifest.json). config-loader.cts then printed an 'unknown config key(s)' warning for the four unregistered keys (tavily_search, ref_search, perplexity, jina) on every freshly generated .planning/config.json. Register the four missing keys in the schema manifest and document them alongside brave/exa/firecrawl in CONFIGURATION.md. Add a regression test plus a structural drift guard that requires every config-driven research-provider flag to be in VALID_CONFIG_KEYS, so a future provider addition cannot silently reintroduce the drift. * fix(#1747): move regression into owning test file + add changeset lint-regression-test-names rejects new bug-NNNN-*.test.cjs files; move the #1747 regression (four provider keys in VALID_CONFIG_KEYS + provider-flag drift guard) into tests/bug-2530-valid-config-keys.test.cjs, the canonical home for VALID_CONFIG_KEYS regressions, and delete the standalone file. Add the missing .changeset fragment — config-schema.manifest.json lives under gsd-core/ (user-facing), so changeset-lint requires a fragment. * test(#1747): regenerate golden-install-parity fixtures for schema change Adding four provider keys to config-schema.manifest.json shifts its shipped content hash (65dea848 -> 7d398e94); recapture all 16 runtime fixtures via UPDATE_GOLDEN=1. Each fixture changes exactly one line — the manifest hash.
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, 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.