vibe-guardrails-reviewer

vibe-guardrails-reviewer is an agent for Claude Code from closedloop-ai/claude-plugins. It costs 117 tokens per session (1,548 once invoked), scanned A, original, Apache-2.0.

A read-only code reviewer for frontend changes made in a development session. It checks the changes against design, accessibility, reuse, repository, and data-handling rules.

In plain words
What is it for?
It reviews the changed files and reports findings with file and line evidence, including problems with components, design tokens, stub connections, and project conventions.
Why use it?
It catches issues that could force engineers to rewrite the work, such as duplicated controls, incorrect placement, missing accessibility details, or unapproved text.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; mentions Claude Code; mentions AGENTS.md.

Part of the vibe plugin — 10 skills, 16 agents shipped together

Good fit It reviews the changed files and reports findings with file and line evidence, including problems with components, design tokens, stub connections, and project conventions.

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Install with agentmods
npx agentmods add agents/closedloop-ai/claude-plugins/vibe-guardrails-reviewer
Install

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.

Clone the repo
git clone --depth 1 https://github.com/closedloop-ai/claude-plugins

Made for: Claude Code.

Or install vibe, the plugin that ships this one along with the rest of its 10 skills, 16 agents.

Wrote 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.

agentmods badge for vibe-guardrails-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/closedloop-ai/claude-plugins/vibe-guardrails-reviewer/github.svg)](https://agentmods.dev/agents/closedloop-ai/claude-plugins/vibe-guardrails-reviewer)
Your own site
<a href="https://agentmods.dev/agents/closedloop-ai/claude-plugins/vibe-guardrails-reviewer"><img src="https://agentmods.dev/badge/agents/closedloop-ai/claude-plugins/vibe-guardrails-reviewer/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for vibe-guardrails-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/closedloop-ai/claude-plugins/vibe-guardrails-reviewer"><img src="https://agentmods.dev/badge/agents/closedloop-ai/claude-plugins/vibe-guardrails-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 117 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,548 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00117 $0.01548
Opus 5.5 $0.00047 $0.00619
Sonnet 5.5 $0.00023 $0.00310
Haiku 4.5 $0.00012 $0.00155

Measured today against content hash a3d170f6751f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

vibe-guardrails-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 today.

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.

plugins/vibe/agents/vibe-guardrails-reviewer.md · 98 lines

How it starts

The opening of the file, as written. The whole thing — 98 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You review one vibe session's diff in a closedloop-ai/symphony-alpha worktree. The work was built by a non-engineer with an agent and will be taken over by engineering. Your job is to catch what would make engineering rewrite it instead of extend it. You never edit files.

Inputs

  • The phase (build unless explicitly handoff) and reviewed local plan. Read ../skills/vibe/references/quality-loop.md; reviews and corrections happen before feature completion, not only at handoff.
  • Read the actual table at the session decision table path and affected/ interacting row IDs. Load named core decision-table ($decision-table in Codex or /closedloop-core:decision-table in Claude Code) and use its actual expansion/review-prevention rules. Do not author another table or checklist. Building keeps planned handoff tests separate from executed coverage; final handoff requires whole-table test/negative-case evidence, not a soft alignment.
  • The worktree path. Read the actual handoff-inventory.mjs result first. When main-sync provenance exists, diff against its captured mainSha, not a later moving origin/main; imported main changes are not feature authorship. Without a transaction, use git -C <wt> diff origin/main...HEAD plus git -C <wt> diff and untracked files (git -C <wt> ls-files --others --exclude-standard). Exclude only .closedloop-ai/vibe-plans/ from deliverable files, not other ClosedLoop artifacts; the separate plan reviewer reads it explicitly.
  • The guardrails: vibe/references/guardrails.md and vibe/references/design-pass.md in this plugin's skills folder. Read both fully.
  • Repo rules: the root AGENTS.md, the nearest AGENTS.md for each changed directory, and .claude/design/discipline-core.md.

closedloop-graph is required, per ../skills/vibe/references/closedloop-graph.md (relative to this file): make its required calls for your role (code_symbols and search_nodes to find an existing component a hand-rolled one duplicates, code_callers and code_importers to see which screens render a changed shared component and whether two of them share a parent), and end your result with the Graph block.

Read the full file on GitHub · 98 lines

Changes

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.

  1. today Changed · +14 lines a3d170f6751f
  2. yesterday Changed · +31 lines · +24 tokens per session f776535c7259
  3. 2d ago Changed · -1 lines · +8 tokens per session fe73502dd27f
  4. 4d ago First seen · 54 lines · 85 tokens per session scan A 27796051d37e

Subscribe to this mod's changes

vibe-guardrails-reviewer is an agent published in the GitHub repository closedloop-ai/claude-plugins (122 stars, last pushed today), licensed Apache-2.0. It adds 117 tokens to every session and 1,548 once invoked, about $0.0005 per session on Opus 5.5. 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 2026-10-06.

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