A specialized skill for OpenClaw agents to transform item photos into optimized, price-researched listings across multiple marketplaces.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install cross-listing-ai
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install cross-listing-ai using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Cross-Listing AI for OpenClaw Agents?
The cross-listing-ai skill empowers OpenClaw agents to act as expert selling assistants. By leveraging computer vision and market research protocols, it guides sellers through a structured workflow to identify items, assess condition, and generate high-conversion listing copy for platforms like eBay, Mercari, and TCGPlayer. As part of the ecosystem of Openclaw Skills, this tool ensures accuracy by maintaining an internal reviewed-item record while providing a seamless, conversational experience for the user.
This skill is designed to handle the heavy lifting of marketplace research and description drafting. It uses a phased approach to ensure no critical details are missed, providing sellers with professional-grade output that balances speed and profit margins. Whether you are a casual seller or a high-volume power user, these Openclaw Skills streamline the path from photo to sold.
Cross-Listing AI for OpenClaw Agents Use Cases
- Automating the creation of eBay and Mercari listings from a single set of product photos.
- Conducting live-comp market research to determine the optimal priced to sell value for collectibles.
- Generating specific TCGPlayer technical data for trading cards based on set and condition analysis.
- Standardizing listing descriptions across Facebook Marketplace and Craigslist to maintain professional branding.
- Clarifying item conditions and missing attributes through a guided AI conversation before final output.
How Cross-Listing AI for OpenClaw Agents Works
- Intake: The agent confirms the item type, available photos, and target marketplaces while establishing the seller's priority like speed vs. margin.
- Extract: The AI analyzes images to build a provisional record of facts, conditions, and missing metadata using Openclaw Skills extraction logic.
- Clarify: High-value follow-up questions are presented to the seller to resolve identity or condition uncertainties.
- Price: The agent performs live-comp research to suggest a data-driven price point based on current market trends.
- Confirm: A prose summary of the item and price is presented for final seller approval before generating final copy.
- Generate: Marketplace-specific, copy-paste-ready descriptions are produced based on platform-specific briefs.
- Revise: The AI updates the internal record and regenerates listings if the seller provides new information or corrections.
Cross-Listing AI for OpenClaw Agents Setup
To integrate this skill into your agent, ensure the following directory structure is present in your Openclaw Skills workspace:
mkdir -p skills/cross-listing-ai/references/marketplaces
Copy the markdown briefs for your target platforms (e.g., ebay.md, mercari.md) into the references/marketplaces/ folder. Initialize the skill by referencing the SKILL.md file in your agent's system prompt or configuration file to enable the intake-to-generate phased workflow.
Cross-Listing AI for OpenClaw Agents Data Schema & Taxonomy
| Component | Description |
|---|---|
| Internal Record | A hidden state tracking item facts, condition, and missing attributes. |
| Marketplace Briefs | Platform-specific rules for eBay, Mercari, FB Marketplace, Craigslist, and TCGPlayer. |
| Extraction Logic | Criteria for turning visual data into technical specifications. |
| Pricing Heuristics | Logic for calculating value when market data is thin. |
| Phased Flow | Strict state machine: intake, extract, clarify, price, confirm, generate, revise. |
Cross-Listing AI for OpenClaw Agents Advanced Features
- Multi-Marketplace Synchronization: Generates tailored content for five different platforms simultaneously using Openclaw Skills specialized briefs.
- Dynamic Pricing Postures: Toggle between priced to sell for speed or high margin for maximum profit based on user preference.
- Specialized TCG Logic: Built-in support for card games requiring specific set name and card number identification for TCGPlayer.
- Internal State Management: Maintains a persistent reviewed-item record to ensure consistency across revisions without re-prompting for known facts.
- Human-in-the-loop Clarification: Prioritizes only the most impactful questions to minimize seller friction while maximizing listing quality.
SKILL.md
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