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Asynthetic

Official registry Developer tools

Ground truth for AI coding agents: what breaks between library versions and how to fix it

Source code 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 asynthetic 'https://asynthetic.up.railway.app/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "asynthetic": {
            "type": "http",
            "url": "https://asynthetic.up.railway.app/mcp"
        }
    }
}
Remote (sse)
Claude Code 
claude mcp add --transport sse asynthetic 'https://asynthetic.up.railway.app/sse'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "asynthetic": {
            "type": "sse",
            "url": "https://asynthetic.up.railway.app/sse"
        }
    }
}
NPM package asynthetic
Claude Code 
claude mcp add asynthetic -- npx -y asynthetic@0.1.3
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "asynthetic": {
            "command": "npx",
            "args": [
                "-y",
                "asynthetic@0.1.3"
            ]
        }
    }
}

Frequently asked questions

What is Asynthetic?

Ground truth for AI coding agents: what breaks between library versions and how to fix it

How do I install Asynthetic?

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

Does Asynthetic 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.

Is Asynthetic open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Asynthetic?

It is published by asyntheticai. 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.