Use Startup Magic Number with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Calculate SaaS sales efficiency, magic number, and payback period.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 4 capabilities
The complete Startup Magic Number capability set.
These are the exact actions your AI can choose when you ask it to work with Startup Magic Number.
01-04
4 capabilities in this set.
Part of 4 available through Startup Magic Number.
- 01
Compare efficiency tiers
Categorizes the calculated magic number into standard industry efficiency tiers
- 02
Get magic number
Calculates the core Magic Number to determine sales velocity
- 03
Get payback period
Calculates the equivalent time needed to recover sales investment
- 04
Get sales efficiency
Provides a holistic view of sales effectiveness
One connector, every AI
Startup Magic Number works with the most popular AI clients.
These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.
Claude
ChatGPT
Gemini
Perplexity
Grok
Microsoft Copilot
Cursor
VS Code
Windsurf
JetBrains
Cline
LangChain
Vercel AI SDK
Lovable
Z.ai
Raycast
Qwen Code
Kimi Code
Le ChatBuilding your own app? The connector is yours to use.
You don't need a client to put Startup Magic Number to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Startup Magic Number, so you can see the experience inside your AI.
It does not authenticate your account with Startup Magic Number. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Startup Magic Number Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_QVELbOCqZ51mv1fHyUvQTear3mBwbkBzrmUwNYEd/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Startup Magic Number capabilities are ready to use.
{
"mcpServers": {
"startup-magic-number-mcp": {
"url": "https://edge.vinkius.com/vk_preview_QVELbOCqZ51mv1fHyUvQTear3mBwbkBzrmUwNYEd/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
Guided setup for Claude? How to give Claude access to Startup Magic Number
FAQ
Questions Startup Magic Number owners ask.
- 01
What is the Magic Number?
The Magic Number is a ratio that measures how much new recurring revenue is generated for every dollar spent on sales and marketing, accounting for revenue lag.
- 02
How does this capability handle revenue lag?
The get_magic_number capability uses the sales spend from the prior period to account for the time it takes for sales efforts to yield actual revenue.
- 03
Can I adjust for seasonal trends?
Yes, the get_sales_efficiency capability includes an optional seasonality adjustment coefficient to normalize scores against historical seasonal patterns.
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