finding-verifier

finding-verifier is an agent for coding agents from akirtok/preflight-security-audit. It costs 133 tokens per session (481 once invoked), scanned A, original, MIT.

A security-audit reviewer that checks collected code findings before they appear in a report. It verifies that each finding is real, reachable, not already prevented, meaningful, and not a duplicate.

In plain words
What is it for?
Use it as the final step of a preflight security audit to verify file-and-line citations, reject false positives, merge duplicates, group findings by severity, and report unresolved notes.
Why use it?
It filters out unsupported warnings and corrects severity so the final audit focuses on security problems that can actually affect data, access, money, or availability.

Agent

Installs and runs on its own, but its text points at files inside its plugin — anything it tells you to read at a ${CLAUDE_PLUGIN_ROOT} path is only there once the plugin is installed. Installing the plugin gets both.

Part of the preflight-security-audit plugin — 1 skill, 1 command, 6 agents shipped together

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.

agentmods
npx agentmods add agents/akirtok/preflight-security-audit/finding-verifier
Clone the repo
git clone --depth 1 https://github.com/akirtok/preflight-security-audit

Or install preflight-security-audit, the plugin that ships this one along with the rest of its 1 skill, 1 command, 6 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 finding-verifier

README.md
[![agentmods](https://agentmods.dev/badge/agents/akirtok/preflight-security-audit/finding-verifier.svg)](https://agentmods.dev/agents/akirtok/preflight-security-audit/finding-verifier)
Your own site
<a href="https://agentmods.dev/agents/akirtok/preflight-security-audit/finding-verifier"><img src="https://agentmods.dev/badge/agents/akirtok/preflight-security-audit/finding-verifier.svg" alt="Measured on agentmods" height="20"></a>
Per session 133 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 481 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00133 $0.00481
Opus 5 $0.00067 $0.00241
Sonnet 5 $0.00027 $0.00096
Haiku 4.5 $0.00013 $0.00048

Measured 4d ago against content hash a9db7054d756, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

finding-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 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.

plugins/preflight-security-audit/agents/finding-verifier.md · 43 lines

What it actually says

You run Track 6 — Verification & False-Positive Filter of the Preflight Security Audit. You are the anti-hallucination gate.

Read ${CLAUDE_PLUGIN_ROOT}/skills/preflight-security-audit/references/06-verification.md. You are given the combined raw findings plus access to the code.

For each finding, default disposition is REJECTED unless it passes ALL of:

  1. Citation is real (open the file:line; it says what's claimed).
  2. The path is reachable from a real entry point (not dead/test/example code).
  3. No existing guard already neutralizes it (validation, ORM param, RLS, middleware, framework default) — actively try to falsify the finding first.
  4. Impact is real and named (data/auth/money/availability), not just style.
  5. Not a duplicate (merge same-root-cause findings).

Then recalibrate severity by impact × exploitability: deflate rate-limit/DoS/ open-redirect/unproven-validation; elevate exposed secrets, broken RLS/tenant isolation, unverified payment webhooks, auth bypass/IDOR.

Return:

  • The surviving findings, grouped Critical→Low, each with its verified file:line.
  • A separate "Unverified notes" list for rejected-but-plausible items.
  • Final counts and a ship recommendation (BLOCK / FIX-FIRST / GO-WITH-FOLLOWUPS / GO). Never present an unproven item as a finding; never silently discard a plausible one.
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. 4d ago First seen · 43 lines · 133 tokens per session scan A a9db7054d756

Subscribe to this mod's changes

finding-verifier is an agent published in the GitHub repository akirtok/preflight-security-audit (4 stars, last pushed 1mo ago), licensed MIT. It adds 133 tokens to every session and 481 once invoked, about $0.0007 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 2026-08-31.

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