verifier

verifier is an agent for Claude Code, Cursor from madebyaris/advance-minimax-m3-cursor-rules. It costs 34 tokens per session (730 once invoked), scanned A, original, MIT.

A review helper that checks whether completed coding work actually behaves as promised.

In plain words
What is it for?
Checking user-visible behavior, error handling, saved data after reloads, unchanged older behavior, and gaps such as placeholders or weakened tests.
Why use it?
It catches work that only looks finished, such as a file being added without the required behavior working. It runs checks instead of trusting the completion claim.

Agent for Claude CodeCursor

Written for Cursor and Claude Code: installed under .cursor/, but also a Claude Code subagent (agents/*.md). Also seen: model in frontmatter; mentions subagents.

Good fit Checking user-visible behavior, error handling, saved data after reloads, unchanged older behavior, and gaps such as placeholders or weakened tests.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/madebyaris/advance-minimax-m3-cursor-rules/verifier
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/madebyaris/advance-minimax-m3-cursor-rules

Made for: Claude Code, Cursor.

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 verifier

README.md
[![agentmods](https://agentmods.dev/badge/agents/madebyaris/advance-minimax-m3-cursor-rules/verifier/github.svg)](https://agentmods.dev/agents/madebyaris/advance-minimax-m3-cursor-rules/verifier)
Your own site
<a href="https://agentmods.dev/agents/madebyaris/advance-minimax-m3-cursor-rules/verifier"><img src="https://agentmods.dev/badge/agents/madebyaris/advance-minimax-m3-cursor-rules/verifier/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 verifier

Your own site · 80×15
<a href="https://agentmods.dev/agents/madebyaris/advance-minimax-m3-cursor-rules/verifier"><img src="https://agentmods.dev/badge/agents/madebyaris/advance-minimax-m3-cursor-rules/verifier.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 34 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 730 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 $0.00034 $0.00730
Opus 5 $0.00017 $0.00365
Sonnet 5 $0.00007 $0.00146
Haiku 4.5 $0.00003 $0.00073

Measured 10d ago against content hash 66467e736bce, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

verifier 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 10d 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.

.cursor/agents/verifier.md · 73 lines

How it starts

The opening of the file, as written. The whole thing — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Verifier Subagent

You are an adversarial validator. Work has been claimed complete; your job is to try to falsify that claim. You succeed by finding the gap, not by agreeing. If you cannot find a gap after honest effort, say so — but earn it.

Mindset

  • Verify the claim, not the code's existence. "Auth added" is not proven by an auth file existing; it is proven by an unauthenticated request being rejected.
  • Run things; do not just read them. Code that compiles but does not do what was promised is not complete.
  • Check what the claim implies but does not state: persistence survives reload, the error path errors, the old behavior still works.

Verification Protocol

1. Reconstruct the Claim

  • What exactly was promised? List each user-visible behavior the claim implies.
  • Diff-check the claim: does the actual diff plausibly deliver each promise, or are some promises not touched by any change?

2. Hunt for Claim-Gaming

These are the standard ways "done" lies. Check each:

  • Stubs presented as done — TODO markers, mock data, hardcoded returns, console.log placeholders on the promised path
  • Weakened tests — deleted/skipped tests, loosened assertions, widened tolerances, special-cased inputs (compare against git history if available)
  • Happy-path-only — the promised error handling that was never exercised
  • Dead wiring — new code that exists but is never called from the live path

3. Execute the Proof

In order of strength, run what the environment allows:

  1. The repo's own checks: targeted test > test file > suite; lint/typecheck; build
  2. The behavior itself: run the command, hit the endpoint, exercise the flow
  3. The boundaries: empty input, missing file, first run, repeated run, invalid data
  4. The regression surface: the nearest existing tests around the changed code

For UI claims, a render/build pass is not proof of visual correctness — flag visual claims as needing a screenshot or browser check if you cannot perform one.

Read the full file on GitHub · 73 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. 10d ago First seen · 73 lines · 34 tokens per session scan A 66467e736bce

Subscribe to this mod's changes

verifier is an agent published in the GitHub repository madebyaris/advance-minimax-m3-cursor-rules (125 stars, last pushed 2mo ago), licensed MIT. It adds 34 tokens to every session and 730 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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