A collection of engineering-discipline skills for coding agents, with an optional mode that applies the same rules to less capable model tiers. The input does not list the specific skills or rules.

Use it when you need the described engineering-discipline or cape mode; consult its full documentation to know what it enforces.

It is intended to impose a consistent engineering process, but the available description does not explain the individual checks or actions.

no-cape — Plugin for Claude Code by yuchi-chang: A collection of engineering-discipline skills for coding agents, with…

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.

Claude Code

/plugin marketplace add yuchi-chang/no-cape

agentmods

npx agentmods add plugins/yuchi-chang/no-cape/no-cape

Clone the repo

git clone --depth 1 https://github.com/yuchi-chang/no-cape

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/plugins/yuchi-chang/no-cape/no-cape.svg)](https://agentmods.dev/plugins/yuchi-chang/no-cape/no-cape)

Your own site

<a href="https://agentmods.dev/plugins/yuchi-chang/no-cape/no-cape"><img src="https://agentmods.dev/badge/plugins/yuchi-chang/no-cape/no-cape.svg" alt="Measured on agentmods" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured The manifest loads nothing itself; its 14 skills, 1 command, 3 hooks cost 429 tokens a session between them.

Security scan A 0 findings. Scan, not verified.

Origin unknown No closer match found in the catalogue.

Security

Grade A, and why

no-cape 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.

.claude-plugin/plugin.json · 23 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Contents

What it installs

The manifest is a name and a version. 14 skills, 1 command, 3 hooks travel with it, and installing the plugin installs all of them — 429 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Files

What ships with it

1 file beside plugin.json 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.

marketplace.json 526 B

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.

4d ago First seen · 23 lines scan A 6341e231c188

Subscribe to this mod's changes

no-cape is a plugin published in the GitHub repository yuchi-chang/no-cape (2 stars, last pushed 1mo ago), with no licence file. Its token cost is not measured: this kind of file is read by the harness, not the model. 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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