Agent (Claude / LangGraph / any MCP client)
        │
        │  MCP protocol (JSON-RPC over stdio or HTTP)
        │
┌───────▼────────────────────────────────┐
│             MCP Gateway                │
│  routes tool calls to the right server │
└──┬────────┬────────┬────────┬──────────┘
   │        │        │        │
web-search  code-runner  file-ops  sqlite-query

mcp-tools-hub/
├── src/
│   ├── servers/
│   │   ├── web_search.py       # Tavily-backed search tool
│   │   ├── code_runner.py      # sandboxed Python execution
│   │   ├── file_ops.py         # file system tools
│   │   ├── sqlite_query.py     # SQL query tool
│   │   ├── http_fetch.py       # web page fetcher
│   │   └── memory_store.py     # agent memory tool
│   └── gateway.py              # multi-server MCP gateway
├── examples/
│   └── claude_desktop_config.json
├── requirements.txt
└── .gitignore

pip install -r requirements.txt
export TAVILY_API_KEY=...

# Run a single tool server (stdio mode for Claude Desktop)
python -m src.servers.web_search

# Run all servers via gateway (HTTP mode)
python -m src.gateway --port 8080

{
  "mcpServers": {
    "web-search": {
      "command": "python",
      "args": ["-m", "src.servers.web_search"],
      "cwd": "/path/to/mcp-tools-hub"
    },
    "code-runner": {
      "command": "python",
      "args": ["-m", "src.servers.code_runner"],
      "cwd": "/path/to/mcp-tools-hub"
    }
  }
}