What is the key difference between MCP Server Kalshi and Payer API Directory?

MCP Server Kalshi belongs to the Finance & Fintech category with local stdio execution, while Payer API Directory belongs to the Finance & Fintech category with local stdio execution.

How do I install MCP Server Kalshi or Payer API Directory 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 MCP Server Kalshi and Payer API Directory free or paid?

MCP Server Kalshi operates under a Free / Open Source model (API Key required). Payer API Directory operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

MCP Server Kalshi lists 6 tools with 3 views and 28 GitHub stars. Payer API Directory lists 0 tools with 0 views and 0 GitHub stars.

Can I use both MCP Server Kalshi and Payer API Directory 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

MCP Server Kalshi vs Payer API Directory

In-depth architectural comparison of the MCP Server Kalshi and Payer API Directory 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

MCP Server Kalshi

Finance & Fintech · Local stdio

Quality: 48/100 (Fair) | Auth: API Key required

Payer API Directory

Finance & Fintech · Local stdio

Quality: 37/100 (Fair) | Auth: No auth required

Verdict Summary: Choose MCP Server Kalshi if you need specialized Finance & Fintech tools running via a local process. Choose Payer API Directory 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 MCP Server Kalshi when:

You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: KALSHI_ENV, KALSHI_API_KEY, KALSHI_PRIVATE_KEY_PATH, BASE_URL.
Primary tools included: Market, event, and series discovery, Order book, candlestick, and trade research, Settlement rule and contract PDF extraction.

Explore MCP Server Kalshi Details

Choose Payer API Directory 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 Payer API Directory Details

Feature & Specification Comparison

Specification	MCP Server Kalshi Finance & Fintech	P Payer API Directory Finance & Fintech
Summary	MCP server for end-to-end trading on Kalshi prediction markets: discover, research, trade.	Directory of US clearinghouse/payer APIs (Availity, Optum, Waystar) with pricing & access signals.
Category & Scope	Finance & Fintech	Finance & Fintech

Tools & Capabilities Breakdown

MCP Server Kalshi Tools (6)

Market, event, and series discovery

Order book, candlestick, and trade research

Settlement rule and contract PDF extraction

Portfolio and exchange status access

Confirmation-gated order management

Demo and production environment selection

Payer API Directory Tools (0)

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

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).

MCP Server Kalshi Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mcp-server-kalshi": {
      "command": "uvx",
      "args": [
        "mcp-server-kalshi"
      ],
      "env": {
        "KALSHI_ENV": "YOUR_KALSHI_ENV_HERE",
        "KALSHI_API_KEY": "YOUR_KALSHI_API_KEY_HERE",
        "KALSHI_PRIVATE_KEY_PATH": "YOUR_KALSHI_PRIVATE_KEY_PATH_HERE",
        "BASE_URL": "YOUR_BASE_URL_HERE"
      }
    }
  }
}

Payer API Directory Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "payer-api-directory": {
      "command": "npx",
      "args": [
        "-y",
        "payer-api-directory"
      ]
    }
  }
}

Frequently Asked Questions

MCP Server Kalshi is categorized under Finance & Fintech and uses a local stdio subprocess. In contrast, Payer API Directory belongs to Finance & Fintech using local stdio subprocess. Select MCP Server Kalshi when you need capabilities focused on finance & fintech and Payer API Directory when you require tools for finance & fintech.

More alternatives to MCP Server Kalshi More alternatives to Payer API Directory Finance & Fintech category hub