Question 1

What is mcp.so's Open Graph type?

Accepted Answer

mcp.so declares `og:type` as `website`. This tells Slack how to categorize the content when generating a preview.

Question 2

What size is mcp.so's social share image?

Accepted Answer

mcp.so's `og:image` is 1200×589 pixels. Slack recommends 800×418 (1.91:1 aspect).

Question 3

What headline does mcp.so use for social previews?

Accepted Answer

mcp.so's social headline is "What Is MCP? MCP Servers, Clients & AI Tools | MCP.so" (53 characters).

Question 4

What description does mcp.so use for social previews?

Accepted Answer

mcp.so's social description reads: "MCP (Model Context Protocol) lets AI apps like Claude, ChatGPT and Cursor use external tools and data. Find MCP servers, clients, skills and CLI tools…" (169 characters).

Question 5

What site name does mcp.so display on social cards?

Accepted Answer

mcp.so sets `og:site_name` to "MCP.so". This appears as a small attribution label on Facebook, LinkedIn, and Slack.

Question 6

What's the biggest issue with mcp.so's Slack preview?

Accepted Answer

Description is 169 characters - truncated on most platforms. LinkedIn cuts at ~100, Facebook at ~130, Google at ~160 characters.

Question 7

How can I improve mcp.so's social previews?

Accepted Answer

Review the recommendations above - they list specific issues and provide ready-to-paste meta tag snippets. The highest-impact fixes are usually a properly sized `og:image` (800×418), a clear `og:title` under 60 characters, and a 50-155 character `og:description`.

How mcp.so Looks on Slack

Slack preview

Slack

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