checking-for-undisclosed-context

checking-for-undisclosed-context is a skill for Claude Code from technicalpickles/pickled-claude-plugins. It costs 0 tokens per session (1,713 once invoked), scanned A, original, MIT.

A review skill for checking whether documents, pull requests, issues, design documents, and agent instructions can be understood without hidden project context.

In plain words
What is it for?
Use it to review or draft self-contained technical and project writing.
Why use it?
It finds unexplained terms, acronyms, and assumptions that confuse readers who have not seen earlier discussions or documents.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions subagents.

Part of the writing-tools plugin — 2 skills shipped together

Good fit Use it to review or draft self-contained technical and project writing.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/technicalpickles/pickled-claude-plugins/checking-for-undisclosed-context
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 technicalpickles/pickled-claude-plugins --skill checking-for-undisclosed-context
Clone the repo
git clone --depth 1 https://github.com/technicalpickles/pickled-claude-plugins

Made for: Claude Code.

Or install writing-tools, the plugin that ships this one along with the rest of its 2 skills.

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 checking-for-undisclosed-context

README.md
[![agentmods](https://agentmods.dev/badge/skills/technicalpickles/pickled-claude-plugins/checking-for-undisclosed-context/github.svg)](https://agentmods.dev/skills/technicalpickles/pickled-claude-plugins/checking-for-undisclosed-context)
Your own site
<a href="https://agentmods.dev/skills/technicalpickles/pickled-claude-plugins/checking-for-undisclosed-context"><img src="https://agentmods.dev/badge/skills/technicalpickles/pickled-claude-plugins/checking-for-undisclosed-context/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 checking-for-undisclosed-context

Your own site · 80×15
<a href="https://agentmods.dev/skills/technicalpickles/pickled-claude-plugins/checking-for-undisclosed-context"><img src="https://agentmods.dev/badge/skills/technicalpickles/pickled-claude-plugins/checking-for-undisclosed-context.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,713 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 $0.00000 $0.01713
Opus 5 $0.00000 $0.00856
Sonnet 5 $0.00000 $0.00343
Haiku 4.5 $0.00000 $0.00171

Measured 6d ago against content hash e435d69a3bba, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

checking-for-undisclosed-context 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 6d 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/writing-tools/skills/checking-for-undisclosed-context/SKILL.md · 56 lines

How it starts

The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Checking for Undisclosed Context

Overview

Text written by someone deep in a project accumulates vocabulary, acronyms, and structural assumptions from whatever they've been reading and discussing - a design doc, a ticket thread, an earlier stage of the same pipeline. None of that is visible to a reader who wasn't there. The author can't tell the difference between "this term is obvious" and "I only find this obvious because I wrote the doc it came from" without deliberately stepping outside their own head.

This skill is that step: read the text as a specific named reader, not as its author, and find the places where understanding it secretly depends on a document or conversation that reader was never given.

There's a second version of this specific to text that passes through multiple model turns, drafts, or agent hops: a model can coin a term on the spot to name something in the moment - a workaround, a state, a recurring shape - and that term gets carried into later output simply because it appeared once, not because anyone deliberately chose it as shared vocabulary. A few hops later, the turn that coined it is gone, and the term now reads as established shorthand to whoever encounters it next, even though nothing ever defined it and it may not exist anywhere else at all. This is the same leak as human-authored undisclosed context, but the "document the reader never saw" is a vanished conversation turn instead of a doc that at least still exists somewhere.

Different axis from writing-for-scannability (can the reader find the structure) and writing-voice (does it sound human). This is about access: could this specific reader actually follow it, or does it quietly assume a tab they don't have open.

When to use

  • Reviewing a design doc, code-review prompt, PR/issue description, or subagent persona/prompt that's meant to stand alone
  • Someone asks for a "cold read," or to check whether a doc is self-contained
  • Writing something for a reader who explicitly hasn't seen the predecessor material - a follow-up proposal that shouldn't require the first one, a skill extracted out of a larger multi-stage protocol, a persona dispatched with a fresh context window
  • Authoring a subagent prompt that has to work without inheriting the dispatching session's context
  • Reviewing content that passed through multiple drafts, turns, or agent hops, where a term coined once earlier may have been carried forward as if it were established vocabulary

Read the full file on GitHub · 56 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. 6d ago First seen · 56 lines · 0 tokens per session scan A e435d69a3bba

Subscribe to this mod's changes

checking-for-undisclosed-context is a skill published in the GitHub repository technicalpickles/pickled-claude-plugins (10 stars, last pushed today), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,713 tokens. 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 2026-09-03.

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