### Clone and Setup MetaMCP Repository

Source: https://docs.metamcp.com

Clone the MetaMCP repository from GitHub and set up the initial environment by copying the example .env file.

```bash
git clone https://github.com/metatool-ai/metamcp.git
cd metamcp
cp example.env .env

```

--------------------------------

### Basic MCP Server Configuration Example

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Defines a basic MCP server configuration, including its name, type, command, arguments, and a description.

```json
{
  "name": "HackerNews",
  "type": "STDIO", 
  "command": "uvx",
  "args": ["mcp-hn"],
  "description": "访问 HackerNews 故事和评论"
}
```

--------------------------------

### MCP Server Configuration with Environment Variables

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Example of configuring a STDIO MCP server with specific environment variables, like setting the timezone.

```json
{
  "name": "TimeServer",
  "type": "STDIO",
  "command": "uvx",
  "args": ["mcp-server-time", "--local-timezone=America/New_York"],
  "env": {
    "TZ": "America/New_York"
  }
}
```

--------------------------------

### Exported MCP Server Configurations

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Example of the JSON structure when exporting multiple MCP server configurations, including their types, commands, arguments, environment variables, and descriptions.

```json
{
  "mcpServers": {
    "HackerNews": {
      "type": "stdio",
      "command": "uvx",
      "args": ["mcp-hn"],
      "description": "访问 HackerNews 故事和评论"
    },
    "TimeServer": {
      "type": "stdio", 
      "command": "uvx",
      "args": ["mcp-server-time"],
      "env": {
        "TZ": "America/New_York"
      },
      "description": "时间和时区实用工具"
    },
    "RemoteAPI": {
      "type": "streamable_http",
      "url": "https://api.example.com/mcp",
      "bearerToken": "your-bearer-token",
      "description": "通过 HTTP 的远程 MCP 服务器"
    }
  }
}
```

--------------------------------

### STDIO Server Authentication with API Key

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Shows how to configure authentication for a STDIO server using an API key passed via environment variables.

```json
{
  "env": {
    "API_KEY": "your-secret-key"
  }
}
```

--------------------------------

### MCP Server Configuration with Environment Variable Interpolation

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Demonstrates using environment variable interpolation `${ENV_VAR}` within the 'env' section for dynamic configuration.

```json
{
  "name": "ExampleServer",
  "type": "STDIO",
  "command": "uvx",
  "args": ["mcp-example"],
  "env": {
    "API_KEY": "${API_KEY}",
    "DEBUG": "true"
  }
}
```

--------------------------------

### STDIO MCP Server Configuration

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Configuration for a STDIO type MCP server, specifying the command, arguments, and environment variables.

```json
{
  "type": "STDIO",
  "command": "uvx", 
  "args": ["mcp-server-package"],
  "env": {
    "API_KEY": "your-api-key"
  }
}
```

--------------------------------

### Remote Server Authentication with Bearer Token

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Illustrates configuring authentication for remote servers (SSE or Streamable HTTP) using a bearer token.

```json
{
  "bearerToken": "your-bearer-token"
}
```

--------------------------------

### Required Fields for MCP Server Configuration

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Lists the essential fields required for any MCP server configuration: name, type, command/URL.

```json
{
  "name": "unique-server-name",
  "type": "STDIO|SSE|STREAMABLE_HTTP",
  "command": "command-to-run", 
  "args": ["arg1", "arg2"],     
  "url": "https://...",         
}
```

--------------------------------

### Streamable HTTP MCP Server Configuration

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Configuration for a Streamable HTTP MCP server, specifying the URL and bearer token for authentication.

```json
{
  "type": "STREAMABLE_HTTP",
  "url": "https://api.example.com/mcp",
  "bearerToken": "your-bearer-token"
}
```

--------------------------------

### Optional Fields for MCP Server Configuration

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Lists optional fields that can be included in an MCP server configuration, such as description, environment variables, and bearer token.

```json
{
  "description": "人类可读的描述",
  "env": {
    "KEY": "value"
  },
  "bearerToken": "auth-token"   
}
```

--------------------------------

### SSE MCP Server Configuration

Source: https://docs.metamcp.com/cn/concepts/mcp-servers

Configuration for a Server-Sent Events (SSE) MCP server, including its URL and bearer token for authentication.

```json
{
  "type": "SSE",
  "url": "https://api.example.com/sse",
  "bearerToken": "your-bearer-token"
}
```

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