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ShopGraph

by laundromatic
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TypeScript
Remote

ShopGraph

The extraction API that shows its work. Send a URL or raw HTML, get structured JSON with per-field confidence scoring and extraction provenance — every field shows which method produced it (Schema.org, LLM inference, or headless browser) and how confident the system is. Set strict_confidence_threshold and uncertain fields are removed server-side before they reach your agent. 50 free calls/month.

Website: https://shopgraph.dev | API: https://shopgraph.dev/api/enrich/basic | MCP: https://shopgraph.dev/mcp

UCP output validated with ucp-schema v1.1.0 — the official Universal Commerce Protocol schema validator.

Quick Start

# Free — no API key, no signup
curl -X POST https://shopgraph.dev/api/enrich/basic \
  -H "Content-Type: application/json" \
  -d '{"url": "https://www.allbirds.com/products/mens-tree-runners"}'

Returns structured JSON with per-field confidence scores:

{
  "product": {
    "product_name": "Men's Tree Runners",
    "brand": "Allbirds",
    "price": { "amount": 100, "currency": "USD" },
    "availability": "in_stock",
    "categories": ["Shoes", "Running"],
    "confidence": { "overall": 0.95 },
    "_shopgraph": {
      "field_confidence": {
        "product_name": 0.97,
        "brand": 0.95,
        "price": 0.98,
        "availability": 0.90
      }
    }
  },
  "free_tier": { "used": 1, "limit": 50 }
}

Related MCP server: AgentShare — Solana DeFi Intelligence MCP

Tools / Endpoints

Tool

REST Endpoint

Price

What It Does

enrich_basic

POST /api/enrich/basic

Free (shared quota)

Schema.org extraction only. Fast, zero LLM cost.

enrich_product

POST /api/enrich

Free 50/mo, then subscription or $0.02/call

Full pipeline with per-field confidence scoring and extraction provenance.

enrich_html

POST /api/enrich/html

Subscription or $0.02/call

Bring your own HTML. Works with Bright Data, Firecrawl, or any fetch/proxy tool.

Pricing: Free (50/mo) | Starter $99/mo (10K calls) | Growth $299/mo (50K calls) | Enterprise (custom). Pay-per-call via Stripe MPP still available for agents. Cached results (24h) are free. No charge for failed extractions.

How It Works

Your agent sends a URL (or raw HTML)
  → Tier 1: Schema.org/JSON-LD parsing (0.93 baseline confidence, instant)
  → Tier 2: LLM extracts from page text when structured data is absent (0.70 baseline)
  → Tier 3: Headless Playwright renders JavaScript, then extracts (additional inference step)
  → Returns ProductData with per-field confidence scores and extraction provenance
    (which tier produced each field) in _shopgraph.field_confidence
  → Set strict_confidence_threshold to remove low-confidence fields server-side
    before they reach your agent
  → Add format=ucp for Universal Commerce Protocol output

Authentication: API key (sg_live_ keys) for subscription tiers, or Stripe MPP for pay-per-call agents.

ShopGraph is a structuring layer, not a fetcher. It's complementary to Bright Data, Firecrawl, and other fetch/proxy tools. They handle retrieval. ShopGraph handles extraction provenance and per-field confidence scoring.

REST API

POST /api/enrich/basic (Free tier)

curl -X POST https://shopgraph.dev/api/enrich/basic \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com/product"}'

Schema.org only. Shares the free-tier quota with /api/enrich. No signup needed.

POST /api/enrich (Full extraction)

# With API key (subscription)
curl -X POST https://shopgraph.dev/api/enrich \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sg_live_..." \
  -d '{"url": "https://example.com/product", "strict_confidence_threshold": 0.8, "format": "ucp"}'

# With Stripe MPP (pay-per-call)
curl -X POST https://shopgraph.dev/api/enrich \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com/product", "payment_method_id": "pm_..."}'

Full pipeline: Schema.org → LLM inference → headless browser. 50 free calls/month. Authenticate with API key (sg_live_) or Stripe MPP for higher limits.

POST /api/enrich/html (Bring your own HTML)

curl -X POST https://shopgraph.dev/api/enrich/html \
  -H "Content-Type: application/json" \
  -d '{"html": "<html>...</html>", "url": "https://example.com/product", "payment_method_id": "pm_..."}'

Already fetched the page? Pipe the HTML to ShopGraph for structuring.

MCP Configuration

{
  "mcpServers": {
    "shopgraph": {
      "type": "url",
      "url": "https://shopgraph.dev/mcp"
    }
  }
}

Works with Claude, Claude Code, Cursor, Windsurf, CrewAI, LangGraph, AutoGen, and any MCP client.

Extracted Data

Every response includes:

Field

Description

product_name

Product title

brand

Manufacturer or brand

price

Amount + currency + sale price

availability

in_stock, out_of_stock, preorder, unknown

categories

Product taxonomy

image_urls

Product images (enrich_product/enrich_html only)

color

Available colors

material

Materials/fabrics

dimensions

Size/weight info

confidence

Overall + per-field scores (0-1)

_shopgraph.field_confidence

Per-field confidence with field-type modifiers

Self-Hosted Setup

git clone https://github.com/laundromatic/shopgraph.git
cd shopgraph
npm install

Required .env:

Variable

Purpose

STRIPE_TEST_SECRET_KEY

Stripe secret key (test or live)

GOOGLE_API_KEY

Gemini API key for Tier 2 (LLM) inference

UPSTASH_REDIS_REST_URL

Upstash Redis for stats/monitoring (optional)

UPSTASH_REDIS_REST_TOKEN

Upstash Redis token (optional)

npm run build          # Compile TypeScript
npm start              # Run MCP server (stdio)
npm run start:http     # Run HTTP server
npm run dev            # Dev mode (no build needed)
npm run test:run       # Run 118 tests

Monitoring

ShopGraph runs 118 automated tests across 22 product verticals. Self-healing pipeline with circuit breaker, URL verification, and health alerts.

License

Apache 2.0

Built By

Krishna Brown | Los Angeles, CA

Install Server
A
license - permissive license
A
quality
B
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

Resources

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