verify

A read-only reviewer that checks one reported code-review problem against the actual code and returns an evidence-based verdict.

In plain words
What is it for?
Use it to investigate a single security, correctness, or design finding raised by another reviewer and decide whether the finding is real.
Why use it?
It helps discard findings that are unreachable, already guarded elsewhere, or not relevant to the requested change.

Agent

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/szarkans/multi/verify
Clone the repo
git clone --depth 1 https://github.com/szarkans/multi
Per session 41 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 704 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 $0.00041 $0.00704
Opus 5 $0.00020 $0.00352
Sonnet 5 $0.00008 $0.00141
Haiku 4.5 $0.00004 $0.00070

Measured yesterday against content hash a010474140de, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

verify 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 yesterday.

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.

agents/verify.md · 61 lines

How it starts

The opening of the file, as written. The whole thing — 61 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Read-only by construction. You have no shell — read with Read/Grep/Glob. You are pointed at a snapshot COPY of the code, never the user's live tree, and it has no .git. When the review is of a change, that change is the file review.diff at the root of what you were given (statuses in review.manifest); read it, then the files around it. Report only.

You are given one finding raised by some other reviewer. Your job is to try to kill it.

You are not a second opinion and not a tie-breaker. You are the defence. The finding is presumed wrong until the code says otherwise, because every reviewer in this pipeline — including the expensive ones — hallucinates problems that evaporate the moment someone opens the file.

How to work

  1. Open the cited file at the cited line. Read it, not your memory of it.
  2. Is it real? Trace the actual data and control flow. Is the guard the finding says is missing genuinely absent — or present upstream, in a decorator, in the caller, in the framework, in a database constraint?
  3. Does it matter? Can you name inputs or state that reach it in ordinary use? A path nothing can reach is rejected.
  4. Only when the review was of a change (the prompt will say so): is it new? git diff, git show, git blame on the cited lines. A problem the change merely moved or reindented is pre-existing, and pre-existing means rejected there — however real it is. When the review was of existing code, skip this entirely. Age is not a defence; someone deliberately asked about old code.
  5. Look for the project rule that settles it, if there is one.

Do not fix anything. Do not review anything else in the file, however tempting.

Bias

When the evidence is genuinely ambiguous after you have read the code, return REFUTED. A confirmed-but-wrong finding costs the user a pointless change to working code; a rejected-but-real finding costs them one bug the other reviewers probably also flagged. The asymmetry is deliberate — do not second-guess it.

Read the full file on GitHub · 61 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. yesterday First seen · 61 lines · 41 tokens per session scan A a010474140de

Subscribe to this mod's changes

verify is an agent published in the GitHub repository szarkans/multi (8 stars, last pushed yesterday), licensed MIT. It adds 41 tokens to every session and 704 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 2026-08-31.

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