API Ninjas vs Psychosynth

In-depth architectural comparison of the API Ninjas and Psychosynth 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?

A

Choose API Ninjas when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore API Ninjas Details

Choose Psychosynth when:

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

Explore Psychosynth Details

Feature & Specification Comparison

Specification	A API Ninjas Finance & Fintech	Psychosynth Finance & Fintech
Summary	140+ data APIs for agents: finance, banking validation, geo, weather, text. One API key.	Psychometric data marketplace: Big Five profiles, cognitive biases & behavioral data via x402.
Category & Scope	Finance & Fintech	Finance & Fintech
Quality signal

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": {
    "api-ninjas": {
      "url": "https://api-ninjas.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "psychosynth": {
      "command": "npx",
      "args": [
        "-y",
        "supabase"
      ]
    }
  }
}

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