add Cashfree Payments official MCP server

[mayankjuneja]

Description

Adding reference to the official Cashfree Payments MCP server.

Server Details

• Server: Cashfree Payments Official MCP Server (https://github.com/cashfree/cashfree-mcp)
• Changes to: README.md - Adding new entry to Third-Party Servers section

Motivation and Context

Cashfree MCP server allows AI tools and agents to integrate with Cashfree APIs (Payment Gateway, Payouts, and SecureID) using the Model Context Protocol (MCP).

How Has This Been Tested?

MCP server has been tested on multiple clients- VSCode, Claude.

Breaking Changes

No breaking changes

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation update

Checklist

• [x] I have read the MCP Protocol Documentation
• [x] My changes follows MCP security best practices
• [x] I have updated the server's README accordingly
• [x] I have tested this with an LLM client
• [x] My code follows the repository's style guidelines
• [x] New and existing tests pass locally
• [x] I have added appropriate error handling
• [x] I have documented all environment variables and configuration options

Additional context