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WhyVault

Official registry Productivity

Shared Markdown memory that every AI assistant can read and write. Hosted in the EU.

Website

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).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http whyvault 'https://mcp.whyvault.io' --header 'Authorization: <Optional. Clients with OAuth (Claude, ChatGPT) sign in without it. Others send "Bearer <personal access token>" from the WhyVault app (Agenten verbinden).>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "whyvault": {
            "type": "http",
            "url": "https://mcp.whyvault.io",
            "headers": {
                "Authorization": "<Optional. Clients with OAuth (Claude, ChatGPT) sign in without it. Others send \"Bearer <personal access token>\" from the WhyVault app (Agenten verbinden).>"
            }
        }
    }
}

Frequently asked questions

What is WhyVault?

Shared Markdown memory that every AI assistant can read and write. Hosted in the EU.

How do I install WhyVault?

It runs as a remote server. In Claude Code: claude mcp add --transport http whyvault 'https://mcp.whyvault.io' --header 'Authorization: <Optional. Clients with OAuth (Claude, ChatGPT) sign in without it. Others send "Bearer <personal access token>" from the WhyVault app (Agenten verbinden).>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does WhyVault need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains WhyVault?

It is published by io.whyvault. 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.