What is charm pricing?

It is the practice of ending prices with .99 or . .95 to influence consumer perception.

How does it validate a decoy?

The `validate_decoy_effectiveness` tool checks if the middle tier nudges users toward the premium option.

Can it analyze bundles?

Yes, use `analyze_bundle_value` to calculate savings and clarity scores.

Pricing Psychology Calculator MCP Connector for Claude

A+

Analyze price presentation strategies like charm pricing, anchoring, and the decoy effect.

5 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

The Pricing Psychology Calculator is a specialized tool for auditing retail pricing. It uses tools like detect_charm_pricing to identify psychological endings, calculate_anchoring_impact to measure the weight of discounts, and validate_decoy_effectiveness to check for functional three-tier structures. You can also use analyze_bundle_value for multi-item sets and compare_payment_framing to evaluate installment plans.

pricingpsychologybehavioral-economicsretail-strategymarketing-optimization

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_4yATPZAjua5MfTSM2CPV8pPfKoIxlL2YQaF5KIaE/mcp

② Claude Code (terminal)

claude mcp add --transport http pricing-psychology-calculator https://edge.vinkius.com/vk_preview_4yATPZAjua5MfTSM2CPV8pPfKoIxlL2YQaF5KIaE/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "pricing-psychology-calculator": {
      "url": "https://edge.vinkius.com/vk_preview_4yATPZAjua5MfTSM2CPV8pPfKoIxlL2YQaF5KIaE/mcp"
    }
  }
}

Get full access on Vinkius

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