OpenGraph MCP Server for Claude Code

One-Command Installation

Claude Code (the CLI) has built-in support for adding MCP servers. Install OpenGraph MCP with:

macOS / Linux

claude mcp add --transport stdio --env OPENGRAPH_APP_ID=YOUR_OPENGRAPH_APP_ID opengraph -- npx -y opengraph-io-mcp

Windows

claude mcp add --transport stdio --env OPENGRAPH_APP_ID=YOUR_OPENGRAPH_APP_ID opengraph -- cmd /c npx -y opengraph-io-mcp

Command Breakdown

Here's what each part of the command does:

• claude mcp add – Claude Code's built-in command to add MCP servers
• --transport stdio – Use standard input/output for communication
• --env OPENGRAPH_APP_ID=... – Set the environment variable for authentication
• opengraph – The name you'll use to reference this MCP server
• -- npx -y opengraph-io-mcp – The command to start the MCP server

Verifying Installation

After adding the MCP server, list your configured servers:

claude mcp list

You should see opengraph in the list.

Then test it with a prompt:

claude "Use the opengraph tools to unfurl https://github.com and tell me the page title"

Managing MCP Servers

Remove the server

claude mcp remove opengraph

Update the App ID

Remove and re-add with the new App ID:

claude mcp remove opengraph
claude mcp add --transport stdio --env OPENGRAPH_APP_ID=NEW_APP_ID opengraph -- npx -y opengraph-io-mcp

Example Usage

Research a URL

claude "Unfurl https://stripe.com and summarize what the company does based on the metadata"

Screenshot a page

claude "Take a screenshot of https://linear.app and describe the hero section"

Scrape content

claude "Scrape https://news.ycombinator.com and list the top 5 story titles"

Troubleshooting

Command not found: claude

Make sure Claude Code CLI is installed. Visit Anthropic's documentation for installation instructions.

MCP server not responding

• Verify Node.js is installed: node --version
• Check your App ID is correct
• Try removing and re-adding the server: claude mcp remove opengraph

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