docs: add dappier mcp server

[amaan-ai20]

Description

Dappier - Connect LLMs to real-time, rights-cleared, proprietary data from trusted sources. Access specialized models for Real-Time Web Search, News, Sports, Financial Data, Crypto, and premium publisher content. Explore data models at marketplace.dappier.com.

Please view the documentation over here - https://github.com/DappierAI/dappier-mcp

Motivation and Context

This change is needed to enable LLMs and AI agents to access real-time, rights-cleared proprietary data from trusted sources. It solves the problem of static, outdated AI knowledge by integrating live web search, financial market data, and curated content, making AI systems more accurate, relevant, and responsive to current events.

How Has This Been Tested?

Tested this with Claude Desktop.

Types of changes

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

Checklist

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