gemini-subagents — independently scanned and version-tracked by SaferSkills.
SaferSkills independently audited gemini-subagents (Agent Skill) and scored it 100/100 (green). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 0 high-severity and 0 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
Findings & checks · 0 flagged
Every scanned point with the score it earned and what moved between them.
First recorded scan — no prior version to compare against.
The primary manifest — the file an agent reads to learn what this artifact does.
A manager/worker pattern for building frontends. The orchestrator (Claude, or any capable agent) owns taste and architecture: it sets the design direction, splits the work, writes precise specs, and reviews + audits every result. Gemini workers do the bulk code generation — fast and cheap. Quality control stays with the manager because fast models drift toward generic ("slop") output.
Two ways to run the workers:
gemini -p calls. Scriptable and parallel.| Model ID | Where | Use for |
|---|---|---|
gemini-3-flash-preview | Gemini CLI | Default headless worker (this IS "Gemini 3 Flash"). Bulk sections/components. |
gemini-2.5-flash | Gemini CLI | Stable fallback worker. |
gemini-2.5-pro | Gemini CLI | Hard / visually-critical parts (hero, brand, tricky logic). |
| "Gemini 3.5 Flash" | Antigravity | Best worker quality on consumer accounts — but interactive only (Mode B). |
ID gotchas (verify — these change over time): in the Gemini CLI, gemini-3.5-flash, gemini-3-flash, and gemini-flash-latest return ModelNotFoundError. The real Gemini 3 Flash ID is gemini-3-flash-preview. Gemini 3.5 Flash is currently reachable only through Antigravity. Confirm any ID:
gemini -m <model-id> -p "ok" # "ModelNotFoundError" = wrong IDGoogle announced the Gemini CLI stops serving Google One / unpaid tiers (June 18, 2026). On consumer accounts, Mode B (Antigravity) becomes the path to the newest models. Re-check current state before relying on Mode A.
# stdout mode (manager reviews, then writes the file) — SAFEST default
gemini -m gemini-3-flash-preview -p "<spec>. Output ONLY raw code to stdout. Do NOT use tools or write files. No markdown fences, no explanation."
# autonomous mode (Gemini writes files itself) — scope the cwd, auto-accept actions
cd <scoped-folder> && gemini -m gemini-3-flash-preview -y -p "<spec>; write the result to ./path/file.tsx"-p headless · -m model · -y auto-accept tool/file actionsgemini -p calls as background jobs (one per section), then collect + review all outputs.true color, ripgrep, Shell cwd was reset) from captured output before parsing.Antigravity is an agentic IDE, not a headless CLI, so it can't be auto-dispatched. The orchestrator and Antigravity share the workspace filesystem; a human is the runner.
specs/<section>.md (use spec-template.md) — design tokens + bans + exact files baked in./model command → pick it, or the model picker), and says: "Implement specs/<section>.md."Locked aesthetic · exact font/color/spacing tokens · explicit bans (no Bootstrap blue #007bff, no inline event handlers, no templated hero+3-cards, no placeholder/TODO code, no lorem ipsum) · exact file path(s) to write · a short acceptance checklist · the output contract (stdout-only, or the file to write).
| Mistake | Fix |
|---|---|
Using gemini-3.5-flash in the CLI | That ID 404s. Use gemini-3-flash-preview, or Antigravity for true 3.5 Flash. |
| No "output only" instruction (Mode A) | Gemini tries tools, edits stray files, rambles. Always state the output contract. |
Running -y from a broad cwd | It may touch unrelated files. Scope to a target folder. |
| Trusting worker output as-is | Fast models default to generic styling. Always review + audit before integrating. |
| Vague specs | Bake in tokens + bans, or you get slop back. |
| Expecting Antigravity to be headless | It's interactive. Use the spec-file handoff loop (Mode B). |
gemini -m gemini-3-flash-preview -p "<spec + output contract>"gemini-2.5-pro. True Gemini 3.5 Flash: Antigravity (Mode B).~30 seconds. Free. No account. Every finding cites a rule and a line of evidence.