How to Use the UserStack User-Agent Lookup MCP in Cursor

Q: Can I use this MCP Server in my existing project structure with Cursor?

Yes. You configure it via .cursor/mcp.json, making sure the AI agent has access to the detectuseragent tool when you're writing code.

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Connect UserStack User-Agent Lookup MCP to Cursor

Create your Vinkius account to connect UserStack User-Agent Lookup to Cursor and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup UserStack User-Agent Lookup with Cursor

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Write Environment-Aware Code with MCP Server

When you use `detect_user_agent` within Agent mode, the AI gets live context about the simulated client. You can write code blocks that check for specific OS or browser capabilities before executing complex logic. This moves your development workflow beyond mock data; the agent uses real API responses based on environment detection.

Use UserStack User-Agent Lookup to debug compatibility.

Need to know if a feature works only on desktop Chrome or mobile Safari? Call `detect_user_agent` and feed the structured output back into your prompt. The AI then writes targeted, compatible code that accounts for those specific constraints. It cuts down debugging time by letting you simulate client differences directly in your project context.

Integrate User-Agent logic with MCP Server

You can build helper functions that call the `detect_user_agent` tool and then pass those results to other APIs. This pattern ensures every piece of code you generate is aware of its execution context. It's a way to enforce client-side compatibility checks directly into your codebase.

Setup guide

Set up UserStack User-Agent Lookup MCP in Cursor

Prerequisites

Cursor installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP Settings

Go to Cursor Settings → MCP or open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and search for "MCP: Add Server".
2

Add the UserStack User-Agent Lookup MCP

Cursor will create or open .cursor/mcp.json in your project root. Paste the JSON snippet on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Enable Agent mode

Open Composer (Cmd+I / Ctrl+I) and switch to Agent mode using the dropdown at the top. MCP tools are only available in Agent mode.
4

Verify the connection

Ask Cursor something like "List my recent UserStack User-Agent Lookup transactions." If the MCP tools are loaded correctly, Cursor will call the UserStack User-Agent Lookup tools automatically. You can also check Settings → MCP for a green status indicator.

.cursor/mcp.json

{
  "mcpServers": {
    "userstack-user-agent-lookup-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about UserStack User-Agent Lookup MCP in Cursor

The MCP Server allows the AI agent running in Cursor to call `detect_user_agent` and use that structured output as live data. You get environmental context directly injected into the code you're writing.

It requires an HTTP User-Agent string. This is typically gathered from a request header and fed to the `detect_user_agent` tool for parsing.

Yes. You configure it via `.cursor/mcp.json`, making sure the AI agent has access to the `detect_user_agent` tool when you're writing code.

It absolutely does. By getting reliable, live context about client environments right inside your editor, you spend less time switching between debuggers and documentation.

The server only processes the raw User-Agent string. It extracts metadata like OS and browser type but doesn't handle personal user identifiers or sensitive account credentials.

Use it with your favorite AI tools

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