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MCP 注册表目前处于预览阶段。在正式可用之前，可能会发生破坏性变更或数据重置。如果遇到问题，请在 GitHub 上报告。
MCP 注册表通过 server.json 中的 remotes 属性支持远程 MCP servers：
server.json
{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "com.example/acme-analytics",
  "title": "ACME Analytics",
  "description": "Real-time business intelligence and reporting platform",
  "version": "2.0.0",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://analytics.example.com/mcp"
    }
  ]
}
远程 server 必须可以通过其指定 URL 公开访问。

​
传输类型

远程 servers 可以使用 Streamable HTTP transport（推荐）或 SSE transport。远程 servers 也可以在不同 URL 上同时支持这两种传输。 通过将 remotes 条目的 type 属性设置为 "streamable-http" 或 "sse" 来指定传输方式：
server.json
{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "com.example/acme-analytics",
  "title": "ACME Analytics",
  "description": "Real-time business intelligence and reporting platform",
  "version": "2.0.0",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://analytics.example.com/mcp"
    },
    {
      "type": "sse",
      "url": "https://analytics.example.com/sse"
    }
  ]
}

​
URL 模板变量

远程 servers 可以使用 {curly_braces} 记法定义 URL 模板变量。这支持多租户部署，使单个 server 定义可以通过可配置值支持多个端点：
server.json
{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "com.example/acme-analytics",
  "title": "ACME Analytics",
  "description": "Real-time business intelligence and reporting platform",
  "version": "2.0.0",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://{tenant_id}.analytics.example.com/mcp",
      "variables": {
        "tenant_id": {
          "description": "Your tenant identifier (e.g., 'us-cell1', 'emea-cell1')",
          "isRequired": true
        }
      }
    }
  ]
}
配置该 server 时，用户提供自己的 tenant_id 值，URL 模板会解析为相应端点，例如 https://us-cell1.analytics.example.com/mcp。 变量支持 default、choices 和 isSecret 等额外属性：
server.json
{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "com.example/multi-region-mcp",
  "title": "Multi-Region MCP",
  "description": "MCP server with regional endpoints",
  "version": "1.0.0",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://api.example.com/{region}/mcp",
      "variables": {
        "region": {
          "description": "Deployment region",
          "isRequired": true,
          "choices": [
            "us-east-1",
            "eu-west-1",
            "ap-southeast-1"
          ],
          "default": "us-east-1"
        }
      }
    }
  ]
}

​
HTTP Headers

可以通过向 remotes 条目添加 headers 属性，指示 MCP clients 发送特定 HTTP headers：
server.json
{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "com.example/acme-analytics",
  "title": "ACME Analytics",
  "description": "Real-time business intelligence and reporting platform",
  "version": "2.0.0",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://analytics.example.com/mcp",
      "headers": [
        {
          "name": "X-API-Key",
          "description": "API key for authentication",
          "isRequired": true,
          "isSecret": true
        }
      ]
    }
  ]
}

​
支持远程和非远程安装

remotes 属性可以与 server.json 中的 packages 属性共存，以便 MCP host applications 选择偏好的安装方式。
server.json
{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.username/email-integration-mcp",
  "title": "Email Integration",
  "description": "Send emails and manage email accounts",
  "version": "1.0.0",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://email.example.com/mcp"
    }
  ],
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@example/email-integration-mcp",
      "version": "1.0.0",
      "transport": {
        "type": "stdio"
      }
    }
  ]
}