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.
npx skills add jal-co/shieldcn --skill shieldcn-badgesgit clone --depth 1 https://github.com/jal-co/shieldcnWrote 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/jal-co/shieldcn/shieldcn-badges)<a href="https://agentmods.dev/skills/jal-co/shieldcn/shieldcn-badges"><img src="https://agentmods.dev/badge/skills/jal-co/shieldcn/shieldcn-badges/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/jal-co/shieldcn/shieldcn-badges"><img src="https://agentmods.dev/badge/skills/jal-co/shieldcn/shieldcn-badges.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 5 findings, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium MCP Rug Pull · line 22 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 29 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 32 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 35 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 41 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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 | $0.00145 | $0.04595 |
| Opus 5 | $0.00072 | $0.02298 |
| Sonnet 5 | $0.00029 | $0.00919 |
| Haiku 4.5 | $0.00015 | $0.00460 |
Grade A, and why
shieldcn-badges scanned grade A with 1 finding 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 9d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
8. Test generated URLs in a browser or with `curl -I` when editing real docs. Copies of this mod
1 near-identical copy found in the catalogue:
- shieldcn-badges — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 399 lines — stays where its author put it; the contents beside it link to each section on GitHub.
shieldcn Badges
Use shieldcn to add beautiful shadcn/ui-styled badges, badge groups, charts, headers, sponsors grids, and contributor images to READMEs and docs.
Base URL: https://shieldcn.dev
Install this skill
Install from the shieldcn repository with the Skills CLI:
npx skills add jal-co/shieldcn
Useful variants:
# Install globally instead of only the current project
npx skills add jal-co/shieldcn --global
# Install for a specific agent supported by the Skills CLI
npx skills add jal-co/shieldcn --agent AGENT_NAME
# Use once without installing
npx skills use jal-co/shieldcn@shieldcn-badges
Verify installation:
npx skills list
What to ask your agent
Copy one of these prompts after installing the skill. Replace bracketed values with the real project details.
Great badge rows
Add a polished shieldcn badge row to my README for [owner/repo]. Include npm
version/downloads if this package is published as [package], GitHub stars,
license, CI status, and last commit. Center the row, make badges clickable, and
use a subtle shadcn style that works on GitHub light and dark themes.
Replace the existing Shields.io badges in this README with shieldcn equivalents.
Keep the same links where possible, remove stale or duplicate badges, and keep
the final row to 3-6 high-signal badges.
Migrate the existing Shields.io badges in this README to shieldcn, but undo any
split-style/two-tone badges. Use single-surface shieldcn badges instead: remove
split=true, labelColor, and other split-label styling unless a split badge is
explicitly needed for readability.
Create a compact shieldcn badge group for [owner/repo] with stars, license,
contributors, and last commit. Use one grouped image when that is cleaner than
separate badges.
Add release-quality README badges for a TypeScript library named [package]. I
want npm version, monthly downloads, license, types, GitHub stars, CI, and a
small branded static badge if it improves the visual hierarchy.
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.
- 9d ago First seen · 399 lines · 145 tokens per session scan A ec9b4562d7bf
shieldcn-badges is a skill published in the GitHub repository jal-co/shieldcn (869 stars, last pushed yesterday), licensed MIT. It adds 145 tokens to every session and 4,595 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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