Borrowing it
Nothing to install: this file belongs to go-to-k/cdkd. 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/go-to-k/cdkd/main/.claude/skills/use-cdkd/SKILL.mdgit clone --depth 1 https://github.com/go-to-k/cdkdWrote 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/go-to-k/cdkd/use-cdkd)<a href="https://agentmods.dev/skills/go-to-k/cdkd/use-cdkd"><img src="https://agentmods.dev/badge/skills/go-to-k/cdkd/use-cdkd/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/go-to-k/cdkd/use-cdkd"><img src="https://agentmods.dev/badge/skills/go-to-k/cdkd/use-cdkd.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 4 findings, up to high
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 →
- high Prompt Injection · line 6 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
- medium Agent Snooping · line 9 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
- medium Agent Snooping · line 19 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
- medium MCP Rug Pull · line 10 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 | $0.00058 | $0.00649 |
| Opus 5.5 | $0.00023 | $0.00260 |
| Sonnet 5.5 | $0.00012 | $0.00130 |
| Haiku 4.5 | $0.00006 | $0.00065 |
Grade A, and why
use-cdkd scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Use the Current cdkd Checkout
Build the current checkout and use it from another CDK project for testing. For everything that happens AFTER the binary is chosen — deployment boundary, preview, wait modes, verification, destructive-operation guards — read and follow plugins/cdkd-skills/skills/cdkd/SKILL.md; it applies identically whether the binary is a built checkout or a published release.
Build the checkout
From the cdkd repository root, build the CLI:
vp run build
If the checkout has not been set up, follow CONTRIBUTING.md first: trust and install the pinned mise tools, run vp env install, and run vp install. Use the repository-pinned development runtime instead of replacing the build command.
Resolve and report the absolute CLI path:
echo "$(pwd)/dist/cli.js"
Invoke it from another project
Prefer direct invocation for one-off testing because it does not modify the user's shell or global packages:
node /absolute/path/to/cdkd/dist/cli.js --version
When the user explicitly wants cdkd available globally, offer the repository's pnpm link workflow:
pnpm setup
# Open a new shell, or reload the shell configuration that pnpm updated.
pnpm link --global
cdkd --version
Run pnpm setup only when needed; it updates shell configuration. Rebuilding with vp run build updates the linked binary without re-linking. To remove the link, run pnpm unlink --global @go-to-k/cdkd or pnpm rm --global @go-to-k/cdkd.
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.
- 2mo ago First seen · 57 lines · 58 tokens per session scan A f6f8b28fce2c
use-cdkd is a skill published in the GitHub repository go-to-k/cdkd (156 stars, last pushed today), licensed Apache-2.0. It adds 58 tokens to every session and 649 once invoked, about $0.0002 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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