What is the key difference between Foundersignal MCP and VOC OpenAPI MCP?

Foundersignal MCP belongs to the Aggregators category with local stdio execution, while VOC OpenAPI MCP belongs to the Aggregators category with local stdio execution.

How do I install Foundersignal MCP or VOC OpenAPI MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Foundersignal MCP and VOC OpenAPI MCP free or paid?

Foundersignal MCP operates under a Free / Open Source model (No auth required). VOC OpenAPI MCP operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

Foundersignal MCP lists 4 tools with 2 views and 1 GitHub stars. VOC OpenAPI MCP lists 6 tools with 3 views and 1 GitHub stars.

Can I use both Foundersignal MCP and VOC OpenAPI MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Foundersignal MCP vs VOC OpenAPI MCP

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

At a Glance & Executive Verdict

Foundersignal MCP

Aggregators · Local stdio

Quality: 59/100 (Good) | Auth: No auth required

VOC OpenAPI MCP

Aggregators · Local stdio

Quality: 41/100 (Fair) | Auth: API Key required

Verdict Summary: Choose Foundersignal MCP if you need specialized Aggregators tools running via a local process. Choose VOC OpenAPI MCP if your workspace requires Aggregators integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

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.

Explore Foundersignal MCP Details

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.

Feature & Specification Comparison

Specification	Foundersignal MCP carlosalvite Aggregators	VOC OpenAPI MCP Aggregators
Summary	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.	Analyze authorized Amazon reviews and feedback for VOC insights, tagging, and listing optimization.
Category & Scope	Aggregators

Tools & Capabilities Breakdown

Foundersignal MCP Tools (4)

get_discover_data

Query FounderSignal's market intelligence database and return all ranked SaaS opportunities scored by revenue proof, competition density, momentum, and build feasibility. Returns structured JSON. Use this first, then write Market Gap / Why Now / Execution Plan narratives for each idea, then call render_report to produce the final HTML artifact.

render_report

Render the final personalized discovery report as a full HTML document. Pass the ideas array from get_discover_data, each augmented with a narrative object containing marketGap, whyNow, and executionPlan (written by you based on the data). Returns an HTML artifact to display directly.

market_query

Query aggregated market intelligence from TrustMRR, AppSumo, Product Hunt, Indie Hackers, Reddit and Google SERP. Returns a ranked text table of SaaS opportunities scored across revenue proof, momentum, entry window, pain intensity and build feasibility.

generate_report

Generate a full HTML market intelligence report with all ranked opportunities.

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).

Foundersignal MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

VOC OpenAPI MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "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"
      }
    }
  }
}

Frequently Asked Questions

Foundersignal MCP is categorized under Aggregators and uses a local stdio subprocess. In contrast, VOC OpenAPI MCP belongs to Aggregators using local stdio subprocess. Select Foundersignal MCP when you need capabilities focused on aggregators and VOC OpenAPI MCP when you require tools for aggregators.