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 yarnhen 'https://yarnhen.com/mcp' --header 'Authorization: <Optional. Bearer <api key> (the api_key create_account returns), or an OAuth access token: clients that support MCP OAuth sign in through the browser instead and need no header. Browsing, pricing, policy and create_account work without either.>'{
"mcpServers": {
"yarnhen": {
"type": "http",
"url": "https://yarnhen.com/mcp",
"headers": {
"Authorization": "<Optional. Bearer <api key> (the api_key create_account returns), or an OAuth access token: clients that support MCP OAuth sign in through the browser instead and need no header. Browsing, pricing, policy and create_account work without either.>"
}
}
}
}Frequently asked questions
What is Yarnhen?
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How do I install Yarnhen?
It runs as a remote server. In Claude Code: claude mcp add --transport http yarnhen 'https://yarnhen.com/mcp' --header 'Authorization: <Optional. Bearer <api key> (the api_key create_account returns), or an OAuth access token: clients that support MCP OAuth sign in through the browser instead and need no header. Browsing, pricing, policy and create_account work without either.>'. For other clients, paste the JSON configuration from this page into their MCP settings.
Does Yarnhen need an API key?
Yes. It expects Authorization, which you set in its configuration.
Who maintains Yarnhen?
It is published by com.yarnhen. 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.