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standard-agentic-commerce-engine

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A production-ready universal engine for Agentic Commerce. This tool enables autonomous agents to interact with any compatible headless e-commerce backend through a standardized protocol. It provides out-of-the-box support for discovery, cart operations, and secure user management.

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Source SKILL.md: https://github.com/sundial-org/awesome-openclaw-skills/blob/HEAD/skills/standard-agentic-commerce-engine/SKILL.md

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Standard Agentic Commerce Engine

The Standard Agentic Commerce Engine is a production-ready bridge connecting autonomous agents with modern e-commerce backends. By providing a unified, high-precision interface, it allows any digital storefront to become "Agent-Native" instantly.

GitHub Repository: https://github.com/NowLoadY/agent-commerce-engine

Reference Case: Lafeitu

For a production-grade implementation example using this engine, see the Lafeitu Gourmet Skill. It demonstrates the engine specialized for a real-world artisanal food brand.

🛠 Tool Priority & Fallback Strategy

To provide the most accurate and efficient experience, follow this priority sequence:

  1. API First (Primary): Always attempt to use the commerce.py script first. It provides structured, high-precision data. Configure it via environment variables (COMMERCE_URL).
  2. Stateless Headers: Rely on the engine's built-in header management (x-user-account, x-visitor-id) to maintain session integrity without cookies.
  3. Self-Correction: If the API returns a 404 for a specific slug discovered via browser, prioritize the API's search results as the source of truth for the backend.

🧠 Agent Operational Logic

Follow these logical flows to ensure a high-quality user experience:

1. Product Discovery & Validation

Goal: Ensure the item exists and find the correct specifications before taking action.

  • Action: Always run search or list before adding to cart.
  • Logic: Use the API to discover the correct slug and valid gram/variant values.
  • Refinement: If multiple results are found, ask the user to specify based on the returned attributes.

2. Authentication & Profile Flow

Goal: Manage user privacy and session data.

  • Logic: The API is stateless. Actions requiring identity will return 401 Unauthorized if credentials aren't saved.
  • Commands:
    1. View profile: python3 scripts/commerce.py get-profile
    2. Update details: python3 scripts/commerce.py update-profile --name "Name" --address "..."
  • Required Data: Respect the schema of the specific brand's backend.

3. Registration Flow

Goal: Handle new users.

  • Trigger: When an action returns "User Not Found".
  • Instruction: Guide the user to the store's registration URL (often found in brand metadata).

4. Shopping Cart Management

Goal: Precise modification of the user's shopping session.

  • Logic: The engine supports incrementing quantities or setting absolute values.
  • Commands:
    • Add: python3 scripts/commerce.py add-cart <slug> --gram <G> --quantity <Q>
    • Update: python3 scripts/commerce.py update-cart <slug> --gram <G> --quantity <Q>
    • Remove: python3 scripts/commerce.py remove-cart <slug> --gram <G>
  • Validation: Gram/variant values must be strictly chosen from the product's available options list.

5. Brand Information & Storytelling

Goal: Access brand identity and support data.

  • Logic: Use the brand-info interface to retrieve narrative content.
  • Tooling:
    • python3 scripts/commerce.py brand-story: Get the narrative/mission.
    • python3 scripts/commerce.py company-info: Get formal details.
    • python3 scripts/commerce.py contact-info: Get customer support channels.

🚀 Capabilities Summary

  • search / list: Product discovery and inventory scan.
  • get: Deep dive into product specifications, variants, and pricing.
  • promotions: Current business rules, shipping thresholds, and active offers.
  • cart: Complete session summary including VIP discounts and tax/shipping estimates.
  • add-cart / update-cart / remove-cart: Atomic cart control.
  • get-profile / update-profile: Personalization and fulfillment data.
  • brand-story / company-info / contact-info: Brand context and support.
  • orders: Real-time tracking and purchase history.

💻 CLI Configuration & Examples

# Setup
export COMMERCE_URL="https://api.yourbrand.com/v1"
export COMMERCE_BRAND_ID="brand_slug"

# Actions
python3 scripts/commerce.py list
python3 scripts/commerce.py search "item"
python3 scripts/commerce.py get <slug>
python3 scripts/commerce.py add-cart <slug> --gram <variant>

🤖 Troubleshooting & Debugging

  • Status Code 401: Credentials missing or expired. Recommend login.
  • Status Code 404: Resource not found. Verify slug via search.
  • Connection Error: Verify COMMERCE_URL environment variable is correct and the endpoint is reachable.