Borrowing it
Nothing to install: this file belongs to jongwony/epistemic-protocols. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/jongwony/epistemic-protocols/main/.claude/skills/encapsulation/SKILL.mdgit clone --depth 1 https://github.com/jongwony/epistemic-protocolsWrote 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.
[](https://agentmods.dev/skills/jongwony/epistemic-protocols/encapsulation)<a href="https://agentmods.dev/skills/jongwony/epistemic-protocols/encapsulation"><img src="https://agentmods.dev/badge/skills/jongwony/epistemic-protocols/encapsulation/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.
<a href="https://agentmods.dev/skills/jongwony/epistemic-protocols/encapsulation"><img src="https://agentmods.dev/badge/skills/jongwony/epistemic-protocols/encapsulation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00084 | $0.01668 |
| Opus 5.5 | $0.00034 | $0.00667 |
| Sonnet 5.5 | $0.00017 | $0.00334 |
| Haiku 4.5 | $0.00008 | $0.00167 |
Grade A, and why
encapsulation 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 1mo 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.
How it starts
The opening of the file, as written. The whole thing — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Encapsulation Audit
The project-local instance of the semantic-audit engine (references/audit-engine.md). The shared mechanism — read-only Claude-judge review, the scope shape, severity calibration, self-application stance, and on-demand slash invocation — is defined in that engine document; read it for the parts this skill holds in common with its published siblings. Below is this instance's principle parameter and the one place its output schema extends the engine's base.
This instance audits LLM-facing prose for Plugin Encapsulation: the runtime contract surface (SKILL.md plus plugin description metadata) must be self-contained and intelligible without contributor documentation. Project-local — its principle is coupled to this repo's deterministic encapsulation check and contributor model, and so (unlike white-bear and zero-shot) it is not decouplable into a portable skill. Read-only: it emits structured findings and writes no fixes.
Purpose
Surface encapsulation drift that the deterministic verify check (artifact-self-containment BANNED patterns) cannot catch — prose that assumes contributor sidecar knowledge in plain language, or rephrases banned references to evade pattern matching. Findings are presented for review; the human author decides which to rewrite, mark as load-bearing, or dismiss.
Inputs
Manual invocation only (interactive /encapsulation):
- The caller passes target file paths or a glob; with no argument, the skill enumerates the in-scope set under the working tree HEAD.
- Files are read at their working-tree state — the post-edit, pre-commit content the contributor is about to ship.
Scope
The engine's scope shape applies, specialized to the runtime contract surface this principle governs:
In scope (the runtime contract surface where this principle applies):
*/skills/*/SKILL.md— protocol and utility skill prose (full document; the runtime contract surface).claude-plugin/plugin.jsondescriptionfield — plugin description metadata (discovery/routing layer)
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.
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.
- 1mo ago First seen · 103 lines · 84 tokens per session scan A 163abc9e3fe6
encapsulation is a skill published in the GitHub repository jongwony/epistemic-protocols (173 stars, last pushed today), licensed MIT. It adds 84 tokens to every session and 1,668 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 2026-08-30.
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