Amz Vault vs Defiance Storefront

In-depth architectural comparison of the Amz Vault and Defiance Storefront MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Amz Vault when:

• You need dedicated capabilities in the E-Commerce domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: OAuth 2.0 (Paid Service).
• Primary tools included: account_feedback, account_health_check, account_help.

Explore Amz Vault Details

D

Choose Defiance Storefront when:

• You need dedicated capabilities in the E-Commerce domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Defiance Storefront Details

Feature & Specification Comparison

Specification	Amz Vault VerifiedE-Commerce	D Defiance Storefront E-Commerce
Summary	AMZ Vault connects Amazon Seller Central and Amazon Advertising to any MCP client. Settlement-accurate P&L - every fee, refund and reimbursement as Amazon actually posted it - plus full Sponsored Products, Brands and Display management, SQP and Brand Analytics, inventory and per-ASIN forecasting. 114 tools: 79 read-only, 29 staged writes. Every Amazon-touching change stages a reviewable diff and reaches Amazon only when you confirm it. There is no autonomous-write mode. $99 flat, 14-day trial.	Read-only catalog, sequence, evidence, policy, and COA-verification lookup for an RUO supplier.

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "amz-vault": {
      "url": "https://www.amz-vault.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "defiance-storefront": {
      "command": "npx",
      "args": [
        "-y",
        "defiance-storefront"
      ]
    }
  }
}

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