VOC OpenAPI MCP vs Foundersignal MCP

In-depth architectural comparison of the VOC OpenAPI MCP and Foundersignal MCP 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 VOC OpenAPI MCP when:

• You need dedicated capabilities in the Aggregators domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: VOC_OPENAPI_API_KEY, VOC_API_KEY, X_API_KEY.
• Primary tools included: Amazon review retrieval, Sentiment, theme, and pain-point analysis, Listing improvement recommendations.

Explore VOC OpenAPI MCP Details

Choose Foundersignal MCP when:

• You need dedicated capabilities in the Aggregators domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: get_discover_data, render_report, market_query.

Feature & Specification Comparison

Specification	VOC OpenAPI MCP Aggregators	Foundersignal MCP carlosalvite Aggregators
Summary	Analyze authorized Amazon reviews and feedback for VOC insights, tagging, and listing optimization.	Ask Claude what SaaS ideas are worth building. Aggregates revenue data, growth signals and pain points from AppSumo, TrustMRR, Product Hunt, Indie Hackers, Reddit and more.
Category & Scope	Aggregators

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": {
    "voc-openapi-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "voc-openapi-mcp@latest"
      ],
      "env": {
        "VOC_OPENAPI_API_KEY": "YOUR_VOC_OPENAPI_API_KEY_HERE",
        "VOC_API_KEY": "YOUR_VOC_API_KEY_HERE",
        "X_API_KEY": "YOUR_X_API_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "carlosalvite-foundersignal-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "foundersignal-mcp"
      ]
    }
  }
}

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