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verify-document-packet

verify-document-packet is a skill for Codex from bankszach/document-systems. It costs 68 tokens per session (364 once invoked), scanned A, original, MIT.

A verification procedure for a complete portable document release packet. The packet contains the document's identity, rules check, rendered view, and release decision information.

In plain words
What is it for?
Use it to verify document integrity, detect tampering or changed rules, and report whether a packet is ready for human review.
Why use it?
It checks that these parts still agree after storage, transfer, revision review, or an audit. It stops when the packet is inconsistent instead of silently fixing or approving it.

Skill for Codex

Written for Codex: agents/openai.yaml present.

not rated 0repo 3mo ago A scan 68 tokens original MIT

Good fit Use it to verify document integrity, detect tampering or changed rules, and report whether a packet is ready for human review.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bankszach/document-systems/verify-document-packet
View source ↗ bankszach/document-systems document-systems.vercel.app
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.

Any agent
npx skills add bankszach/document-systems --skill verify-document-packet
Clone the repo
git clone --depth 1 https://github.com/bankszach/document-systems

Made for: 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 verify-document-packet

README.md
[![agentmods](https://agentmods.dev/badge/skills/bankszach/document-systems/verify-document-packet/github.svg)](https://agentmods.dev/skills/bankszach/document-systems/verify-document-packet)
Your own site
<a href="https://agentmods.dev/skills/bankszach/document-systems/verify-document-packet"><img src="https://agentmods.dev/badge/skills/bankszach/document-systems/verify-document-packet/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 verify-document-packet

Your own site · 80×15
<a href="https://agentmods.dev/skills/bankszach/document-systems/verify-document-packet"><img src="https://agentmods.dev/badge/skills/bankszach/document-systems/verify-document-packet.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 68 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 364 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 $0.00068 $0.00364
Opus 5.5 $0.00027 $0.00146
Sonnet 5.5 $0.00014 $0.00073
Haiku 4.5 $0.00007 $0.00036

Measured 2mo ago against content hash e94c28248606, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

verify-document-packet 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 2mo 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/document-systems/skills/verify-document-packet/SKILL.md · 39 lines

What it actually says

Verify Document Packet

Verify internal packet consistency with the deterministic MCP. Treat a valid packet as integrity evidence, never as source truth, persistence proof, human acceptance, or execution authority.

Workflow

  1. Confirm the input is a FULL packet containing packet_id, expression_envelope, validation_receipt, view, and release_gate.
  2. Supply only lineage envelopes actually available to the caller.
  3. Call verify_document_packet.
  4. Stop if valid is false. Report every machine reason without repairing the packet in place.
  5. If the packet is valid, report the current receipt identity and restate its explicit non-findings.
  6. Create a new Expression and packet for any revision; never overwrite the historical packet while retaining its old identity.

Boundaries

  • A valid content address proves supplied bytes agree, not that a server stored them durably.
  • Recomputed assertion conformance proves agreement with caller-reviewed invariants, not independent source verification.
  • A ready release gate means ready for a human decision, not approved, accepted, operative, deployed, or executed.
  • Do not retrieve missing packets, lineage, or sources by guessing a location.

Output contract

Return packet ID, computed digest, validity, reason codes, current validation receipt ID, supplied-lineage scope, and the exact states still not established.

Files

What ships with it

1 file 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. 2mo ago First seen · 39 lines · 68 tokens per session scan A e94c28248606

Subscribe to this mod's changes

verify-document-packet is a skill published in the GitHub repository bankszach/document-systems (0 stars, last pushed 3mo ago), licensed MIT. It adds 68 tokens to every session and 364 once invoked, about $0.0003 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 2026-08-31.

Documentscodexmcpontologyplugin
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