price-monitor

Surveille les prix de produits sur des sites e-commerce et alerte quand ils baissent.

7 stars

Best use case

price-monitor is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Surveille les prix de produits sur des sites e-commerce et alerte quand ils baissent.

Teams using price-monitor should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

  • You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

  • You only need a quick one-off answer and do not need a reusable workflow.
  • You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/price-monitor-fr/SKILL.md --create-dirs "https://raw.githubusercontent.com/Demerzels-lab/elsamultiskillagent/main/public/skills/hugosbl/price-monitor-fr/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/price-monitor-fr/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How price-monitor Compares

Feature / Agentprice-monitorStandard Approach
Platform SupportNot specifiedLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

Surveille les prix de produits sur des sites e-commerce et alerte quand ils baissent.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

# Price Monitor

Surveille les prix de produits sur des sites e-commerce et alerte quand ils baissent.

## Usage

```bash
python skills/price-monitor/scripts/monitor.py <command> [options]
```

## Commands

| Commande | Description |
|---|---|
| `add <url> [--name "Nom"] [--target-price 50]` | Ajouter un produit à surveiller |
| `list` | Lister les produits surveillés |
| `check [--all] [id]` | Vérifier les prix (un ou tous) |
| `remove <id>` | Supprimer un produit |
| `history <id>` | Historique des prix d'un produit |
| `alerts` | Voir les alertes de baisse de prix |

## Options globales

- `--json` — Output JSON au lieu du texte formaté

## Sites supportés

- **Amazon.fr** — `a-offscreen`, `data-a-color="price"`
- **Fnac.com** — meta tags, `f-priceBox-price`
- **Cdiscount** — `c-product__price`, itemprop
- **Boulanger** — `class="price"`, itemprop
- **Générique** — og:price → JSON-LD → itemprop → regex €

## Extracteur générique (ordre de priorité)

1. `<meta property="og:price:amount">`
2. JSON-LD schema.org (`"price":"XX.XX"`)
3. `itemprop="price"`
4. Regex fallback sur patterns `XX,XX €`

## Alertes

- **Prix cible atteint** : prix actuel ≤ target-price → 🎯
- **Baisse > 5%** par rapport au dernier check → 🔥
- Format : `Amazon PS5 : 449€ → 399€ (-11%) 🔥`

## Stockage

- `~/.price-monitor/products.json` — Liste des produits
- `~/.price-monitor/history/<id>.json` — Historique par produit
- `~/.price-monitor/alerts.json` — Alertes enregistrées

## Exemples

```bash
# Ajouter un produit
python monitor.py add "https://www.amazon.fr/dp/B0BN..." --name "PS5" --target-price 400

# Vérifier tous les prix
python monitor.py check --all

# Historique
python monitor.py history abc12345

# Alertes en JSON
python monitor.py --json alerts
```

## Technique

- Python stdlib uniquement (urllib, json, re)
- User-Agent Chrome réaliste
- Timeout 10s par requête
- Voir `references/extractors.md` pour ajouter des sites

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