Cubesphere Insider vs Filingrail MCP

In-depth architectural comparison of the Cubesphere Insider and Filingrail 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?

C

Choose Cubesphere Insider when:

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

Explore Cubesphere Insider Details

Choose Filingrail MCP when:

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

Explore Filingrail MCP Details

Feature & Specification Comparison

Specification	C Cubesphere Insider Developer Tools	Filingrail MCP Developer Tools
Summary	SEC insider filings as clean economic events - Form 4 trades, Form 144 notices, 13D/G stakes.	SEC EDGAR financials, insider trades, 8-K events, and 13F holdings as MCP tools.
Category & Scope	Developer Tools	Developer Tools
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": {
    "cubesphere-insider": {
      "command": "npx",
      "args": [
        "-y",
        "cubesphere-insider"
      ]
    }
  }
}

{
  "mcpServers": {
    "filingrail-mcp": {
      "command": "uvx",
      "args": [
        "filingrail-mcp"
      ]
    }
  }
}

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