What is the key difference between Tx402 and MCP Server Kalshi?

Tx402 belongs to the Finance & Fintech category with local stdio execution, while MCP Server Kalshi belongs to the Finance & Fintech category with local stdio execution.

How do I install Tx402 or MCP Server Kalshi 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 Tx402 and MCP Server Kalshi free or paid?

Tx402 operates under a Free / Open Source model (No auth required). MCP Server Kalshi operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Tx402 lists 0 tools with 0 views and 0 GitHub stars. MCP Server Kalshi lists 6 tools with 3 views and 28 GitHub stars.

Can I use both Tx402 and MCP Server Kalshi 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

Tx402 vs MCP Server Kalshi

In-depth architectural comparison of the Tx402 and MCP Server Kalshi 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

Tx402

Finance & Fintech · Local stdio

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

MCP Server Kalshi

Finance & Fintech · Local stdio

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

Verdict Summary: Choose Tx402 if you need specialized Finance & Fintech tools running via a local process. Choose MCP Server Kalshi 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 Tx402 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 Tx402 Details

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

Feature & Specification Comparison

Specification	Tx402 Finance & Fintech	MCP Server Kalshi Finance & Fintech
Summary	Explain Algorand transactions in plain English through a deterministic x402-paid API.	MCP server for end-to-end trading on Kalshi prediction markets: discover, research, trade.
Category & Scope	Finance & Fintech	Finance & Fintech
Quality signal

Tools & Capabilities Breakdown

Tx402 Tools (0)

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

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

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).

Tx402 Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "tx402": {
      "command": "npx",
      "args": [
        "-y",
        "tx402-mcp"
      ]
    }
  }
}

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"
      }
    }
  }
}

Frequently Asked Questions

Tx402 is categorized under Finance & Fintech and uses a local stdio subprocess. In contrast, MCP Server Kalshi belongs to Finance & Fintech using local stdio subprocess. Select Tx402 when you need capabilities focused on finance & fintech and MCP Server Kalshi when you require tools for finance & fintech.

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