dev.cardscope/link-preview

CardScope Link Preview

Is the CardScope Link Preview MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.

What each app will show for a URL: layout, title, image, and the fixes.

alive probed 2026-11-14 · unchanged since 2026-11-13 · HTTP 200

2tools

337tokens in Claude Opus 5.5

0.2 %of Claude's 200k window

0.1×the median server

975 msto initialize

563 msto list tools

Endpoint: https://cardscope.dev/mcp (streamable-http)
Host: cardscope.dev
Protocol: 2025-11-25
Reports itself as: cardscope 1.0.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 337 tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 355. The o200k_base estimate is 188. Counted again when the tool definitions change. Method.
Website: https://cardscope.dev/docs/mcp
Registry: active, updated 2026-11-13 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
check_link_preview	246	137	73 %
list_platforms	91	51	27 %

Servers that mention preview.

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.