Add Claude MCP Server Gateway to directory

[bzsasson]

Description

This PR adds the Claude MCP Server Gateway to the MCP server directory.

What is Claude MCP Server Gateway?

An intelligent Python-based gateway that revolutionizes how Claude Desktop manages multiple MCP servers by implementing dynamic loading. Instead of consuming 87% of Claude's context with tool definitions at startup, it loads them on-demand.

Key Features

• 97% Token Reduction: From ~21,600 tokens → ~50 tokens at startup
• Dynamic Loading: MCP servers load only when their tools are actually needed
• Three-Tier Architecture: Progressive loading (server discovery → tool summaries → full execution)
• Universal Compatibility: Works with any MCP server (Python, Node.js, TypeScript, Docker, HTTP+SSE)
• Pre-configured Servers: GitHub, Slack, Google Drive, Memory, Filesystem, Postgres, and more
• Multi-Platform: Claude Desktop, Claude API, and Claude Code

Problem Solved

When connecting Claude to multiple MCP servers like GitHub (51 tools), Slack (20 tools), Google Drive (15 tools), Filesystem (12 tools), and Postgres (10 tools), you immediately consume:

• 108 tools
• 21,600 tokens
• 87% of Claude's 25,000 token context window

The gateway reduces this to just 3 tools and 50 tokens at startup, loading full servers only when Claude needs them.

Real-World Impact

Traditional Setup:

• Startup: 21,600 tokens consumed
• Available for conversation: 3,400 tokens (13%)

With Gateway:

• Startup: 50 tokens consumed
• Available for conversation: 24,950 tokens (99.8%)

Repository Information

• GitHub: https://github.com/bzsasson/claude-mcp-server-gateway
• License: MIT
• Language: Python 3.11+
• Category: Gateway/Infrastructure/Token Optimization

Documentation

The submission includes:

• Comprehensive overview and problem statement
• Three-tier architecture explanation with real-world examples
• Complete installation and configuration guide
• Pre-configured MCP servers list
• Performance comparison tables
• Troubleshooting section
• Advanced usage examples

Checklist

• Markdown file follows the directory's format and structure
• Includes proper YAML frontmatter with all required fields
• Provides comprehensive documentation
• Includes real-world use cases and examples
• Repository is publicly accessible
• MIT license

Thank you for maintaining this excellent MCP server directory!

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