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Servers Playground How we check Submit a server

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Every listing comes from the official MCP Registry. We connect to each remote server on a schedule and publish what happened. Ranking uses health and recency only; nobody pays to rank higher.

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How we check Submit a server MCP Registry

Cairn.ink Memory MCP server | mcptry

C

Cairn.ink Memory

Needs sign-in

ink.cairn/memoryv0.1.0 Domain verified

Cross-session memory for AI agents with a Source Receipt for every memory, over MCP.

Source Website Registry entry

Try it

This server signs you in with OAuth, which the playground doesn't support yet. Install it in your MCP client to try it.

Tools

We haven't seen a tool list from this server yet.

Health

The server is up but asks for credentials before it will talk.

Uptime, 30 days: 100%
Uptime, 90 days: 100%

Oct 23, 2026Oct 23, 2026

https://cairn.ink/api/mcp

Last check Oct 23, 18:23 UTC: auth required

Install

Remotestreamable-http

https://cairn.ink/api/mcp

Claude Code

claude mcp add --transport http memory https://cairn.ink/api/mcp

Headers: Authorization

How it ranks

66/100

Works right now: 30/40
Uptime, 30 days: 15/15
Tool quality: 0/15
Complete listing: 11/15
Domain verified: 5/5
Speed: 0/5
Recently updated: 5/5

How scoring works