Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/JuanMarchetto/agent-skillsnpx agentmods add skills/juanmarchetto/agent-skills/demo-pipelineWrote 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/juanmarchetto/agent-skills/demo-pipeline)<a href="https://agentmods.dev/skills/juanmarchetto/agent-skills/demo-pipeline"><img src="https://agentmods.dev/badge/skills/juanmarchetto/agent-skills/demo-pipeline/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/juanmarchetto/agent-skills/demo-pipeline"><img src="https://agentmods.dev/badge/skills/juanmarchetto/agent-skills/demo-pipeline.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00065 | $0.03808 |
| Opus 5 | $0.00032 | $0.01904 |
| Sonnet 5 | $0.00013 | $0.00762 |
| Haiku 4.5 | $0.00006 | $0.00381 |
Grade C, and why
demo-pipeline scanned grade C with 2 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 13d 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.
Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
- **Maestro not installed**: Provide install command: `curl -Ls "https://get.maestro.mobile.dev" | bash` Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -s -o /dev/null -w "%{http_code}" http://localhost:8081 2>/dev/null How it starts
The opening of the file, as written. The whole thing — 425 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Demo Pipeline
Record polished app demos from a natural language script. Works with Expo mobile (Maestro) and web apps (webreel/Playwright).
Pipeline: DISCOVER → DETECT → STATE SETUP → PARSE → EXECUTE → COMPILE
Quick Start
User says: "record demo — show the login, navigate to rewards, highlight featured items, end on profile"
You:
- Discover all screens, states, and flows via static analysis
- Detect the project type and running state
- Set up demo state injection (if demo_mode is enabled)
- Generate a unified YAML script from the description
- Present YAML for user approval
- Execute with the right tool (Maestro or webreel)
- Collect screenshots, video, and generate report
Phase 0: DISCOVER — Flow & State Analysis
Analyze the codebase to map all screens, states, flows, and native dependencies.
Step 1: Discover screens
Read the file-based routing structure:
find src/app -name "*.tsx" -not -name "_layout.tsx" -not -name "+not-found.tsx" | sort
For each screen file, extract the route path from its filesystem location.
Step 2: Identify states per screen
For each screen file, search for UI conditionals that reveal possible states:
grep -n "loading\|isLogged\|isEmpty\|error\|balance.*>\|\.length.*==.*0" src/app/**/*.tsx
Common patterns to look for:
{loading ? <Skeleton/> : ...}→loadingstate{isLoggedIn && ...}or{user ? ... : ...}→guestvslogged-in{items.length === 0 ? <EmptyState/> : ...}→emptystate{balance > 0 ? ... : ...}→empty-balancevshas-balance{error ? <Error/> : ...}→errorstate
Step 3: Map navigation flows
Search for navigation calls to build a flow graph:
grep -rn "router\.push\|router\.replace\|href=" src/app/ src/components/
Group into named flows (e.g., "Full reward claim": home → rewards → [id] → scan → confirmation).
Step 4: Identify native dependencies
Search for native module usage per screen:
grep -rn "expo-camera\|CameraView\|useMobileWallet\|SeedVault\|Linking\|expo-local-authentication" src/
What ships with it
9 files 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.
- 13d ago First seen · 425 lines · 65 tokens per session scan C 9b85f95c1932
demo-pipeline is a skill published in the GitHub repository JuanMarchetto/agent-skills (5 stars, last pushed 5mo ago), licensed MIT. It adds 65 tokens to every session and 3,808 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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