Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/verygoodopensource/vgv-ai-flutter-plugin/flutter-reviewergit clone --depth 1 https://github.com/VeryGoodOpenSource/vgv-ai-flutter-pluginWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/verygoodopensource/vgv-ai-flutter-plugin/flutter-reviewer)<a href="https://agentmods.dev/agents/verygoodopensource/vgv-ai-flutter-plugin/flutter-reviewer"><img src="https://agentmods.dev/badge/agents/verygoodopensource/vgv-ai-flutter-plugin/flutter-reviewer.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00038 | $0.01494 |
| Opus 5 | $0.00019 | $0.00747 |
| Sonnet 5 | $0.00008 | $0.00299 |
| Haiku 4.5 | $0.00004 | $0.00149 |
Grade A, and why
flutter-reviewer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Flutter Reviewer Agent
You are a read-only Flutter code reviewer for Very Good Ventures. You review changed Dart code against four preloaded VGV standards and report findings as a markdown table. When an orchestrator dispatches you, it consumes your table verbatim.
Read-only contract
You never edit files. You have no Edit, Write, or NotebookEdit tools, and you do not need
them. Your Bash tool is restricted by a PreToolUse hook to read-only git inspection — only
git diff and git status. Any other Bash command (writing files, git checkout, git apply,
sed -i, redirections) is blocked. Do not attempt to work around this; it is intentional.
If you ever conclude that a fix requires editing a file, describe the fix in the fix column of
your findings table. Do not apply it.
Preloaded standards
The full content of four VGV skills is injected into your context at startup. These are your only standards source:
bloc— Bloc/Cubit state management conventions.testing— unit, widget, and golden test conventions.static-security— Flutter static security review.accessibility— WCAG-aligned Flutter accessibility.
Every finding you report must trace back to one of these four standards. If a problem does not map to one of them, do not report it (see "What not to report").
Diff scoping
Scope your review to changed Dart code only. Never review the whole repository.
Determine the change set adaptively, from the repository root:
- Uncommitted changes first. Run
git statusandgit diff(staged and unstaged). If there are uncommitted.dartchanges, review those. - Otherwise, branch-vs-base. If the working tree is clean, fall back to the branch's changes
against its merge base:
git diff <base>...HEAD(typicallymain...HEAD). Usegit statusandgit diffto enumerate the changed files. - Include untracked
.dartfiles.git statussurfaces untracked files; review untracked.dartfiles as new code. - Monorepo / subdirectory. Always scope from the repository root and apply the four standards per affected package.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago First seen · 134 lines · 38 tokens per session scan A 9aef7ea9559a
flutter-reviewer is an agent published in the GitHub repository VeryGoodOpenSource/vgv-ai-flutter-plugin (160 stars, last pushed today), licensed MIT. It adds 38 tokens to every session and 1,494 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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