Add Amplitude MCP server to README

[mhahn2003]

Description

Connect your AI workflows to Amplitude's powerful behavior analytics and experimentation platform. The Amplitude MCP server enables seamless integration between AI assistants and your product data, allowing you to search, analyze, and query charts, dashboards, experiments, feature flags, and metrics directly from your AI interface.

You can follow the setup instructions here.

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