What is the key difference between Shipping Rates & Postage Calculator and Oathscore?

Shipping Rates & Postage Calculator belongs to the Finance & Fintech category with cloud HTTP/SSE execution, while Oathscore belongs to the Finance & Fintech category with local stdio execution.

How do I install Shipping Rates & Postage Calculator or Oathscore 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 Shipping Rates & Postage Calculator and Oathscore free or paid?

Shipping Rates & Postage Calculator operates under a Free / Open Source model (No auth required). Oathscore operates under a Freemium model (No auth required).

Which MCP server has more tools and community activity?

Shipping Rates & Postage Calculator lists 0 tools with 1 views and 0 GitHub stars. Oathscore lists 8 tools with 2 views and 1 GitHub stars.

Can I use both Shipping Rates & Postage Calculator and Oathscore 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.

How do I install Shipping Rates & Postage Calculator or Oathscore in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Shipping Rates & Postage Calculator and Oathscore free to use, or do they require API keys?

Shipping Rates & Postage Calculator is listed under a Free / Open Source model with No auth required . Oathscore operates under a Freemium model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Shipping Rates & Postage Calculator and Oathscore at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both shipping-rates-postage-calculator and moxiespirit-oathscore as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Shipping Rates & Postage Calculator has a Quality Score of 42 /100 ( Fair ) with 1 views, 0 installs, and 0 GitHub stars. Oathscore holds a Quality Score of 59 /100 ( Good ) with 2 views, 0 installs, and 1 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Shipping Rates & Postage Calculator vs Oathscore

In-depth architectural comparison of the Shipping Rates & Postage Calculator and Oathscore 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

Shipping Rates & Postage Calculator

Finance & Fintech · Remote HTTP/SSE

Quality: 42/100 (Fair) | Auth: No auth required

Oathscore

Finance & Fintech · Local stdio

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

Verdict Summary: Choose Shipping Rates & Postage Calculator if you need specialized Finance & Fintech tools running via a hosted cloud SSE transport. Choose Oathscore if your workspace requires Finance & Fintech integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Shipping Rates & Postage Calculator 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 Shipping Rates & Postage Calculator Details

Choose Oathscore when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Freemium).
Primary tools included: get_now, get_exchanges, get_volatility.

Explore Oathscore Details

Feature & Specification Comparison

Specification	S Shipping Rates & Postage Calculator Finance & Fintech	Oathscore moxiespirit Finance & Fintech
Summary	Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.	The trust layer for AI trading agents. Real-time world state (exchange status, VIX/VVIX/SKEW, economic events) in one call, plus independent quality ratings (0-100) for financial data APIs. 8 MCP tools.
Category & Scope	Finance & Fintech

Tools & Capabilities Breakdown

Shipping Rates & Postage Calculator Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Oathscore Tools (8)

get_now

Current world state: exchanges, volatility, events, data health

get_exchanges

Open/close status for 7 exchanges with next transition times

get_volatility

VIX, VIX9D, VIX3M, VVIX, SKEW, term structure

get_events

Next event, FOMC/CPI countdowns, week high-impact count

get_score

OathScore rating for a specific API (0-100 composite + grade)

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).

Shipping Rates & Postage Calculator Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "shipping-rates-postage-calculator": {
      "url": "https://onlineshippingcalculator.com/mcp"
    }
  }
}

Oathscore Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "moxiespirit-oathscore": {
      "command": "python",
      "args": [
        "oathscore_mcp"
      ]
    }
  }
}

Frequently Asked Questions

Shipping Rates & Postage Calculator is categorized under Finance & Fintech and uses a remote streaming HTTP/SSE transport. In contrast, Oathscore belongs to Finance & Fintech using local stdio subprocess. Select Shipping Rates & Postage Calculator when you need capabilities focused on finance & fintech and Oathscore when you require tools for finance & fintech.

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