verification-protocol

verification-protocol is a skill for Claude Code, Codex from PlamenTSV/plamen. It costs 18 tokens per session (3,191 once invoked), scanned A, original, MIT.

A testing method for checking whether a security hypothesis in Aptos Move code is true or false using Move unit tests and labeled evidence sources.

In plain words
What is it for?
Use it to build an evidence table, write tests, and decide whether production code supports or disproves a security claim.
Why use it?
It prevents conclusions from relying on mocks, unverified external code, or documentation when stronger source evidence is required.

Skill for Claude CodeCodex

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 skills/plamentsv/plamen/verification-protocol
Any agent
npx skills add PlamenTSV/plamen --skill verification-protocol
Clone the repo
git clone --depth 1 https://github.com/PlamenTSV/plamen

Made for: Claude Code, Codex.

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 verification-protocol

README.md
[![agentmods](https://agentmods.dev/badge/skills/plamentsv/plamen/verification-protocol.svg)](https://agentmods.dev/skills/plamentsv/plamen/verification-protocol)
Your own site
<a href="https://agentmods.dev/skills/plamentsv/plamen/verification-protocol"><img src="https://agentmods.dev/badge/skills/plamentsv/plamen/verification-protocol.svg" alt="Measured on agentmods" height="20"></a>
Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,191 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 $0.00018 $0.03191
Opus 5 $0.00009 $0.01596
Sonnet 5 $0.00004 $0.00638
Haiku 4.5 $0.00002 $0.00319

Measured 4d ago against content hash 19365a9eaa97, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

verification-protocol 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.

agents/skills/aptos/verification-protocol/SKILL.md · 382 lines

How it starts

The opening of the file, as written. The whole thing — 382 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Verification Protocol -- Aptos Move

How to prove a hypothesis is TRUE or FALSE using Move unit tests.


Evidence Source Tracking (MANDATORY)

CRITICAL: For EVERY piece of evidence used in verification, you MUST tag its source. Evidence from mocks or unverified external modules CANNOT support a REFUTED verdict.

Evidence Source Tags

Tag Meaning Valid for REFUTED?
[PROD-ONCHAIN] Production module verified on Aptos Explorer YES
[PROD-SOURCE] Source code verified on-chain (Aptos Explorer source verification) YES
[CODE] Audited codebase (in-scope) YES
[MOCK] Mock/test module NO
[EXT-UNV] External module, unverified behavior NO
[DOC] Documentation/spec only NO (needs verification)

Evidence Audit Table (REQUIRED in every verification output)

Before ANY verdict, fill this table:

### Evidence Audit
| Claim | Evidence Source | Tag | Valid for REFUTED? |
|-------|-----------------|-----|-------------------|
| "External module returns X" | Mock module | [MOCK] | NO |
| "State changes to Y" | protocol_module.move:123 | [CODE] | YES |
| "Coin transfer triggers Z" | Aptos Explorer source | [PROD-ONCHAIN] | YES |

Mock Rejection Rule

AUTOMATIC OVERRIDE: If ANY evidence supporting REFUTED has tag [MOCK] or [EXT-UNV]:

  • CANNOT return REFUTED
  • MUST return CONTESTED
  • Triggers production verification

Example:

## Verdict: REFUTED -> CONTESTED (mock evidence override)

### Evidence Audit
| Claim | Source | Tag | Valid? |
|-------|--------|-----|--------|
| "Staking returns shares" | test_staking.move:45 | [MOCK] | NO |

**Override reason**: REFUTED verdict relies on mock behavior at test_staking.move:45.
Production module behavior is UNVERIFIED. Must verify against on-chain source.

Pre-Verification Understanding

Before writing ANY test code, you MUST answer:

Question 1: What is the EXACT bug?

NOT: "Something is inconsistent"
NOT: "State is wrong"
NOT: "Capability leak possible"

YES: "[Variable/resource] is [read/written/moved] at [location] but should be
      [read/written/moved] at [other location] because [specific reason]"

Read the full file on GitHub · 382 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 382 lines · 18 tokens per session scan A 19365a9eaa97

Subscribe to this mod's changes

verification-protocol is a skill published in the GitHub repository PlamenTSV/plamen (281 stars, last pushed 1mo ago), licensed MIT. It adds 18 tokens to every session and 3,191 once invoked, about $0.0001 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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