Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
claude mcp add --transport http attic 'https://mcp.atticcapital.com/mcp' --header 'X-Attic-Key: <Optional Attic Beyond API key. Omit for public Headlines, articles, episodes, and gatherings.>'
{
"mcpServers": {
"attic": {
"type": "http",
"url": "https://mcp.atticcapital.com/mcp",
"headers": {
"X-Attic-Key": "<Optional Attic Beyond API key. Omit for public Headlines, articles, episodes, and gatherings.>"
}
}
}
}
attic-mcpclaude mcp add attic -e 'ATTIC_API_KEY=<your attic_api_key>' -- npx -y attic-mcp@0.1.0
{
"mcpServers": {
"attic": {
"command": "npx",
"args": [
"-y",
"attic-mcp@0.1.0"
],
"env": {
"ATTIC_API_KEY": "<your attic_api_key>"
}
}
}
}
Environment variables
ATTIC_API_KEYsecret Optional Attic Beyond API key. Sent as X-Attic-Key. Public Headlines work without it.
Frequently asked questions
What is Attic?
Weekly Attic Capital reports for coins, cards, cars, and art.
How do I install Attic?
It runs as a remote server. In Claude Code: claude mcp add --transport http attic 'https://mcp.atticcapital.com/mcp' --header 'X-Attic-Key: <Optional Attic Beyond API key. Omit for public Headlines, articles, episodes, and gatherings.>'. For other clients, paste the JSON configuration from this page into their MCP settings.
Does Attic need an API key?
Yes. It expects ATTIC_API_KEY, X-Attic-Key, which you set in its configuration.
Who maintains Attic?
It is published by com.atticcapital. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.