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Line9

Official registry Other

Render Mermaid with Line9 layout in your assistant.

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 line9 'https://mcp.line9.ai/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "line9": {
            "type": "http",
            "url": "https://mcp.line9.ai/mcp"
        }
    }
}

Frequently asked questions

What is Line9?

Render Mermaid with Line9 layout in your assistant.

How do I install Line9?

It runs as a remote server. In Claude Code: claude mcp add --transport http line9 'https://mcp.line9.ai/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Line9 need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Line9?

It is published by ai.line9. 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.