Cairn is an MCP (Model Context Protocol) server by jasondostal in the Search category. Persistent memory for AI agents and humans. Store, search, and discover patterns.

How do I connect Cairn to Claude, Cursor, or another MCP client?

Install Cairn from its oci package (ghcr.io/jasondostal/cairn-mcp:0.21.2) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is Cairn open source?

Yes — the source code is public at github.com/jasondostal/cairn-mcp, with 7 GitHub stars.

Can AI agents pay to use Cairn?

Not yet through Loomal — Cairn is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.

Cairn

MCP server by github.com/jasondostal/cairn-mcp

Persistent memory for AI agents and humans. Store, search, and discover patterns.

7 starsoci: ghcr.io/jasondostal/cairn-mcp:0.21.2

About Cairn

Cairn is an MCP (Model Context Protocol) server published by jasondostal in the official MCP registry, listed under Search on Loomal. Persistent memory for AI agents and humans. Store, search, and discover patterns.

It ships as a Docker image (ghcr.io/jasondostal/cairn-mcp:0.21.2), so any MCP client that can launch a local process can run it.

Development happens in the open at github.com/jasondostal/cairn-mcp, where the project has earned 7 GitHub stars.

Use Cairn with your agent

Claude Code · one command

claude mcp add cairn -- docker run -i --rm ghcr.io/jasondostal/cairn-mcp:0.21.2

Claude Desktop, Cursor & other MCP clients · config

{
  "mcpServers": {
    "cairn": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/jasondostal/cairn-mcp:0.21.2"
      ]
    }
  }
}

ocighcr.io/jasondostal/cairn-mcp:0.21.2

Frequently asked questions

What is Cairn?: Cairn is an MCP (Model Context Protocol) server by jasondostal in the Search category. Persistent memory for AI agents and humans. Store, search, and discover patterns.
How do I connect Cairn to Claude, Cursor, or another MCP client?: Install Cairn from its oci package (ghcr.io/jasondostal/cairn-mcp:0.21.2) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.
Is Cairn open source?: Yes — the source code is public at github.com/jasondostal/cairn-mcp, with 7 GitHub stars.
Can AI agents pay to use Cairn?: Not yet through Loomal — Cairn is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.

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Listing data from the official MCP registry and GitHub, refreshed periodically. Not affiliated with the maintainer unless claimed. Maintain Cairn? Claim this listing free by verifying GitHub ownership, or contact us.