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sync-gbrain
87 / 100 · Low risk
Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.
By garrytan/gstack (GitHub) · coding · 141,312 stars · scanned at commit bc858ff
Keep gbrain current with this repo's code and refresh agent search guidance in CLAUDE.md. (gstack)
Works with any agent that supports SKILL.md skills.
What this skill can do
Runs commands on your computer
This is disclosed by the author in the skill's SKILL.md or README. Expected for a coding skill.
Found in 14 places.
Show 11 more
- sync-gbrain/SKILL.md, line 91
~/.claude/skills/gstack/bin/gstack-skill-end --skill "sync-gbrain" --outcome OUTCOME \ - sync-gbrain/SKILL.md, line 156
~/.claude/skills/gstack/bin/gstack-gbrain-detect 2>/dev/null - sync-gbrain/SKILL.md, line 166
_HASH=$(~/.claude/skills/gstack/bin/gstack-config endpoint-hash 2>/dev/null) - sync-gbrain/SKILL.md, line 179
~/.claude/skills/gstack/bin/gstack-config set brain_trust_policy@$_HASH personal - sync-gbrain/SKILL.md, line 277
_TIM=$(~/.claude/skills/gstack/bin/gstack-config get transcript_ingest_mode 2>/dev/null || true) - sync-gbrain/SKILL.md, line 298
bun --no-env-file --config=/dev/null run ~/.claude/skills/gstack/bin/gstack-memory-ingest.ts --probe --sources transcript - sync-gbrain/SKILL.md, line 324
~/.claude/skills/gstack/bin/gstack-config set transcript_repos "$(git remote get-url origin)" # only this repo - sync-gbrain/SKILL.md, line 347
bun --no-env-file --config=/dev/null run ~/.claude/skills/gstack/bin/gstack-gbrain-sync.ts <user-args> - sync-gbrain/SKILL.md, line 362
SOURCE_JSON=$(bun --no-env-file --config=/dev/null run ~/.claude/skills/gstack/bin/gstack-gbrain-read-capability.ts --source-only 2>/dev/null) - sync-gbrain/SKILL.md, line 422
SOURCE_JSON=$(bun --no-env-file --config=/dev/null run ~/.claude/skills/gstack/bin/gstack-gbrain-read-capability.ts --source-only 2>/dev/null) - sync-gbrain/SKILL.md, line 500
bun --no-env-file --config=/dev/null run ~/.claude/skills/gstack/bin/gstack-gbrain-read-capability.ts <user-args>
Changes files outside its own folder
The author does not mention this.
Found in 3 places.
Install
Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.
if [ -e ~/.agents/skills/'sync-gbrain' ] || [ -L ~/.agents/skills/'sync-gbrain' ]; then echo 'A skill folder named sync-gbrain already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/garrytan/gstack' "$d" && git -C "$d" checkout --quiet 'bc858ffc659bcc61558f60d0e023a009817dd48f' -- 'sync-gbrain' && mkdir -p ~/.agents/skills && cp -R "$d"/'sync-gbrain' ~/.agents/skills/'sync-gbrain' && rm -rf "$d"; fi
Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'sync-gbrain' ~/.claude/skills/'sync-gbrain' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.
Badge for your README
The badge for garrytan/gstack shows the score of its lowest-scoring skill.

[](https://zalavijaysinh.github.io/skilltrust/repos/garrytan/gstack/)
Score history
| Date | Version | Score |
|---|
| 2026-11-12 | bc858ff | 87 |
| 2026-11-11 | f0cd9f8 | 87 |
| 2026-11-10 | 6b32714 | 87 |
| 2026-11-09 | c25580e | 87 |
| 2026-11-08 | 9740bfd | 87 |
| 2026-11-08 | d479c5b | 87 |
| 2026-11-06 | 0c41ced | 87 |