showcase

A skill for submitting a browser extension’s verified standdown grade to a public showcase. The showcase uses continuous integration, automated checks run on submitted code, to reproduce the grade and reject entries that do not pass.

In plain words
What is it for?
For deriving the extension’s standdown settings, generating a reproducible submission and grade card, and opening a pull request to the standdown showcase.
Why use it?
It provides a process for sharing a genuine A or A+ conformance result without manually editing the grade card. It also explains what policy information would be made public before submission.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/dupe-com/standdown/showcase
Any agent
npx skills add dupe-com/standdown --skill showcase
Clone the repo
git clone --depth 1 https://github.com/dupe-com/standdown

Made for: Claude Code, Codex.

Per session 79 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,064 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00079 $0.01064
Opus 5 $0.00039 $0.00532
Sonnet 5 $0.00016 $0.00213
Haiku 4.5 $0.00008 $0.00106

Measured 2d ago against content hash 980e76070f81, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

showcase 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 2d 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.

skills/showcase/SKILL.md · 69 lines

How it starts

The opening of the file, as written. The whole thing — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.

standdown-showcase: publish a verified grade card

Thin router. showcase/README.md in the standdown repo is the source of truth for how a submission is generated, verified, and turned into a PR — follow its "Or by hand" mechanics and "Reach A+ (Tier 2)" section exactly; don't reconstruct the commands from memory. (If the repo isn't local, clone https://github.com/dupe-com/standdown first.)

The showcase is CI-verified: a submission declares only its policy inputs, and CI re-runs the grader to reproduce the grade and regenerate the card — so only genuinely passing runs (A-band, zero hijacks, non-inert) get in, and nothing can be faked.

What to do

  1. Precondition — it must already grade A/A+ on conformanceGrade. If it hasn't been graded, run the setup skill (/standdown:setup) / AGENTS.md Step 6 first. A sub-A grade is not eligible — stop and say what to fix.

  2. Derive the submission details from the extension's standdown integration: extension name, policySet (allPolicies | allPolicies+experimental | custom; for custom, the resolved policies array), the hosts it disables, and — if published — its Chrome Web Store id. Ask the user only for their GitHub handle and today's date (YYYY-MM-DD; the tooling has no clock).

  3. Disclosure check — get explicit consent before publishing. A submission is a public PR to a Dupe-owned repo. Before generating or opening anything, tell the user plainly what it discloses (see "What gets published"): for a custom set, that's their resolved policies array + disableHosts — a public, machine-readable map of which networks they honor and which merchants they stand down on; for allPolicies, only "ships the standard verified set." State what is not sent (no selfPatterns/self-click ids, no keys, no user data, no source). Then ask whether to proceed with the public PR, submit as allPolicies to disclose less, or stop (the local SVG card makes no public claim). Do not proceed to step 4 without an explicit yes.

Read the full file on GitHub · 69 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. 2d ago First seen · 69 lines · 79 tokens per session scan A 980e76070f81

Subscribe to this mod's changes

showcase is a skill published in the GitHub repository dupe-com/standdown (5 stars, last pushed 21d ago), licensed MIT. It adds 79 tokens to every session and 1,064 once invoked, about $0.0004 per session on Opus 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 2026-08-31.

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