ТОП-25 лучших MCP-серверов 2026 года: Главный каталог инструментов и создание своего сервера на Python

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/Users/artur/Desktop"]
    },
    "postgres": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-postgres", "postgresql://user:pass@localhost:5432/production"]
    },
    "brave-search": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-brave-search"],
      "env": { "BRAVE_API_KEY": "YOUR_KEY" }
    }
  }
}

# pip install fastmcp
from fastmcp import FastMCP

mcp = FastMCP("Company Internal Tools")

@mcp.tool()
def get_server_metrics(cluster_name: str) -> str:
    """Return CPU and RAM metrics for the given server cluster."""
    return f"Cluster {cluster_name}: CPU 24%, RAM 1.4/8GB, Disk: 72% free. Status: HEALTHY."

@mcp.tool()
def query_client_balance(client_id: int) -> float:
    """Fetch live balance for client by ID."""
    return 1450.50

if __name__ == "__main__":
    mcp.run()