How to Fetch URL Metadata with OpenClaw
Batch fetch URL metadata with OpenClaw and ToolRouter. Collect link preview data at scale.
Tool
OpenClaw fetches link metadata in bulk — process a list of URLs, populate a content database with rich preview data, and run regular checks to keep metadata current as pages change.
Connect ToolRouter to OpenClaw
1Install the CLI
npm install -g toolrouter-mcp2Call tools directly from OpenClaw
toolrouter-mcp call web-search search --query "AI tools"
toolrouter-mcp toolsSteps
Once connected (see setup above), use the Link Preview tool:
- Provide a list of URLs: "Fetch link preview metadata for each of these"
- OpenClaw retrieves metadata for every URL
- Ask: "Flag any URLs that are missing Open Graph tags"
- Store the results in your database or content management system
Example Prompt
Try this with OpenClaw using the Link Preview tool
Fetch link preview metadata for all URLs in this list and return a table with URL, title, description, and thumbnail status for each: [list of URLs].
Tips
- Batch metadata collection for a curated link library or resource database
- Run metadata audits on your existing content library to find pages with missing OG tags
- Schedule regular checks to detect when a page title or description has changed