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docs: add USING_GBRAIN_WITH_GSTACK.md + update README for /setup-gbrain

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README changes:
- Rewrote the "Cross-machine memory with GBrain sync" section into
  "GBrain — persistent knowledge for your coding agent." Covers the
  three /setup-gbrain paths (Supabase existing URL, auto-provision,
  PGLite local), MCP registration, per-remote trust triad, and the
  (still-separate) memory sync feature.
- Added /setup-gbrain row to the skills table pointing at the full guide.
- Added /setup-gbrain to both skill-list install snippets.
- Added USING_GBRAIN_WITH_GSTACK.md to the Docs table.

New doc (USING_GBRAIN_WITH_GSTACK.md):
- All three setup paths with trust-surface caveats
- MCP registration details (and honest Claude-Code-v1 scoping)
- Per-remote trust triad semantics + how to change a policy
- Switching engines (PGLite ↔ Supabase) via --switch
- GStack memory sync + its relationship to the gbrain knowledge base
- /setup-gbrain --cleanup-orphans for orphan Supabase projects
- Full command + flag reference, every bin helper, every env var
- Security model: what's enforced in code, what's enforced by the leak
  harness, and the honest limits of v1
- Troubleshooting: PATH shadowing, direct-connection URL reject,
  auto-provision timeout, stale lock, policy file hand-edits,
  migrate hang
- Why-this-design section explaining the non-obvious choices

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-04-24 00:44:47 -07:00
parent 7c8407a6b2
commit 99aadc0a7b
2 changed files with 321 additions and 23 deletions
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README.md
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@@ -48,7 +48,7 @@ Fork it. Improve it. Make it yours. And if you want to hate on free open source
Open Claude Code and paste this. Claude does the rest.
> Install gstack: run **`git clone --single-branch --depth 1 https://github.com/garrytan/gstack.git ~/.claude/skills/gstack && cd ~/.claude/skills/gstack && ./setup`** then add a "gstack" section to CLAUDE.md that says to use the /browse skill from gstack for all web browsing, never use mcp\_\_claude-in-chrome\_\_\* tools, and lists the available skills: /office-hours, /plan-ceo-review, /plan-eng-review, /plan-design-review, /design-consultation, /design-shotgun, /design-html, /review, /ship, /land-and-deploy, /canary, /benchmark, /browse, /connect-chrome, /qa, /qa-only, /design-review, /setup-browser-cookies, /setup-deploy, /retro, /investigate, /document-release, /codex, /cso, /autoplan, /plan-devex-review, /devex-review, /careful, /freeze, /guard, /unfreeze, /gstack-upgrade, /learn. Then ask the user if they also want to add gstack to the current project so teammates get it.
> Install gstack: run **`git clone --single-branch --depth 1 https://github.com/garrytan/gstack.git ~/.claude/skills/gstack && cd ~/.claude/skills/gstack && ./setup`** then add a "gstack" section to CLAUDE.md that says to use the /browse skill from gstack for all web browsing, never use mcp\_\_claude-in-chrome\_\_\* tools, and lists the available skills: /office-hours, /plan-ceo-review, /plan-eng-review, /plan-design-review, /design-consultation, /design-shotgun, /design-html, /review, /ship, /land-and-deploy, /canary, /benchmark, /browse, /connect-chrome, /qa, /qa-only, /design-review, /setup-browser-cookies, /setup-deploy, /setup-gbrain, /retro, /investigate, /document-release, /codex, /cso, /autoplan, /plan-devex-review, /devex-review, /careful, /freeze, /guard, /unfreeze, /gstack-upgrade, /learn. Then ask the user if they also want to add gstack to the current project so teammates get it.
### Step 2: Team mode — auto-update for shared repos (recommended)
@@ -225,6 +225,7 @@ Each skill feeds into the next. `/office-hours` writes a design doc that `/plan-
| `/unfreeze` | **Unlock** — remove the `/freeze` boundary. |
| `/open-gstack-browser` | **GStack Browser** — launch GStack Browser with sidebar, anti-bot stealth, auto model routing (Sonnet for actions, Opus for analysis), one-click cookie import, and Claude Code integration. Clean up pages, take smart screenshots, edit CSS, and pass info back to your terminal. |
| `/setup-deploy` | **Deploy Configurator** — one-time setup for `/land-and-deploy`. Detects your platform, production URL, and deploy commands. |
| `/setup-gbrain` | **GBrain Onboarding** — from zero to running gbrain in under 5 minutes. PGLite local, Supabase existing URL, or auto-provision a new Supabase project via Management API. MCP registration for Claude Code + per-repo trust triad (read-write/read-only/deny). [Full guide](USING_GBRAIN_WITH_GSTACK.md). |
| `/gstack-upgrade` | **Self-Updater** — upgrade gstack to latest. Detects global vs vendored install, syncs both, shows what changed. |
### New binaries (v0.19)
@@ -359,34 +360,39 @@ I open sourced how I build software. You can fork it and make it your own.
> Come work at YC — [ycombinator.com/software](https://ycombinator.com/software)
> Extremely competitive salary and equity. San Francisco, Dogpatch District.
## Cross-machine memory with GBrain sync
## GBrain — persistent knowledge for your coding agent
gstack accumulates a lot of useful state on your laptop: learnings, CEO
plans, design docs, retros, developer profile. Today, all of that dies when
you switch machines. **GBrain sync** optionally pushes a curated, secret-scanned
subset to a private git repo so your memory follows you, and (if you use
GBrain) becomes indexable there.
[GBrain](https://github.com/garrytan/gbrain) is a persistent knowledge base for AI agents — think of it as the memory your agent actually keeps between sessions. GStack gives you a one-command path from zero to "it's running, my agent can call it."
One command to turn it on:
```bash
/setup-gbrain
```
Three paths, pick one:
- **Supabase, existing URL** — your cloud agent already provisioned a brain; paste the Session Pooler URL, now this laptop uses the same data.
- **Supabase, auto-provision** — paste a Supabase Personal Access Token; the skill creates a new project, polls to healthy, fetches the pooler URL, hands it to `gbrain init`. ~90 seconds end-to-end.
- **PGLite local** — zero accounts, zero network, ~30 seconds. Isolated brain on this Mac only. Great for try-first; migrate to Supabase later with `/setup-gbrain --switch`.
After init, the skill offers to register gbrain as an MCP server for Claude Code (`claude mcp add gbrain -- gbrain serve`) so `gbrain search`, `gbrain put_page`, etc. show up as first-class typed tools — not bash shell-outs.
**Per-remote trust policy.** Each repo on your machine gets one of three tiers:
- `read-write` — agent can search the brain AND write new pages back from this repo
- `read-only` — agent can search but never writes (best for multi-client consultants: search the shared brain, don't contaminate it with Client A's work while in Client B's repo)
- `deny` — no gbrain interaction at all
The skill asks once per repo. The decision is sticky across worktrees and branches of the same remote.
**GStack memory sync (different feature, same private-repo infra).** Optionally pushes your gstack state (learnings, CEO plans, design docs, retros, developer profile) to a private git repo so your memory follows you across machines, with a one-time privacy prompt (everything allowlisted / artifacts only / off) and a defense-in-depth secret scanner that blocks AWS keys, tokens, PEM blocks, and JWTs before they leave your machine.
```bash
gstack-brain-init
```
That creates a private GitHub repo (or any git remote you prefer —
GitLab, Gitea, self-hosted). Every skill run syncs the queue at its
start and end boundaries. No daemon, no background process. A one-time
privacy prompt asks how much you want to share (everything allowlisted /
artifacts only / off). Secret-shaped content (AWS keys, GitHub tokens,
PEM blocks, JWTs, etc.) is blocked from sync before it leaves your
machine.
**Full monty — every scenario, every flag, every bin helper, every troubleshooting step:** [USING_GBRAIN_WITH_GSTACK.md](USING_GBRAIN_WITH_GSTACK.md)
New machine? Copy `~/.gstack-brain-remote.txt` over, run
`gstack-brain-restore`, and yesterday's learnings surface on today's
laptop.
Full guide: [docs/gbrain-sync.md](docs/gbrain-sync.md) •
Error index: [docs/gbrain-sync-errors.md](docs/gbrain-sync-errors.md)
Other references: [docs/gbrain-sync.md](docs/gbrain-sync.md) (sync-specific guide) • [docs/gbrain-sync-errors.md](docs/gbrain-sync-errors.md) (error index)
## Docs
@@ -394,6 +400,7 @@ Error index: [docs/gbrain-sync-errors.md](docs/gbrain-sync-errors.md)
|-----|---------------|
| [Skill Deep Dives](docs/skills.md) | Philosophy, examples, and workflow for every skill (includes Greptile integration) |
| [Builder Ethos](ETHOS.md) | Builder philosophy: Boil the Lake, Search Before Building, three layers of knowledge |
| [Using GBrain with GStack](USING_GBRAIN_WITH_GSTACK.md) | Every path, flag, bin helper, and troubleshooting step for `/setup-gbrain` |
| [GBrain Sync](docs/gbrain-sync.md) | Cross-machine memory setup, privacy modes, troubleshooting |
| [Architecture](ARCHITECTURE.md) | Design decisions and system internals |
| [Browser Reference](BROWSER.md) | Full command reference for `/browse` |
@@ -438,8 +445,8 @@ Use /browse from gstack for all web browsing. Never use mcp__claude-in-chrome__*
Available skills: /office-hours, /plan-ceo-review, /plan-eng-review, /plan-design-review,
/design-consultation, /design-shotgun, /design-html, /review, /ship, /land-and-deploy,
/canary, /benchmark, /browse, /open-gstack-browser, /qa, /qa-only, /design-review,
/setup-browser-cookies, /setup-deploy, /retro, /investigate, /document-release, /codex,
/cso, /autoplan, /pair-agent, /careful, /freeze, /guard, /unfreeze, /gstack-upgrade, /learn.
/setup-browser-cookies, /setup-deploy, /setup-gbrain, /retro, /investigate, /document-release,
/codex, /cso, /autoplan, /pair-agent, /careful, /freeze, /guard, /unfreeze, /gstack-upgrade, /learn.
```
## License