We're pleased to announce Spring AI MCP 0.2.0 milestone release.

Repository Configuration

Add this Spring milestone repository to your POM:

<repositories>
  <repository>
    <id>spring-milestones</id>
    <name>Spring Milestones</name>
    <url>https://repo.spring.io/libs-milestone-local</url>
    <snapshots>
      <enabled>false</enabled>
    </snapshots>
  </repository>
</repositories>

Breaking Changes

• Module restructuring (see the Module Names Updated section below)
• Renamed StdioServerTransport to StdioClientTransport

Key Features

API Updates

• Simplified McpClient listing operations (no cursor parameter needed)
• Added McpClient.Builder support.

Transport and Session

• New Server-Sent Events (SSE), client-side transport

Request and Notification Handling

• Non-blocking execution with comprehensive request and notification support
• Enhanced client capabilities with roots request hnadling.
• Handlers for tools, resources, and prompts notifications and roots requests.
  • When creating the McpClient user can provide List<Consumer<List<McpSchema.Tool>>> toolsChangeConsumers, List<Consumer<List<McpSchema.Resource>>> resourcesChangeConsumers, List<Consumer<List<McpSchema.Prompt>>> promptsChangeConsumers and List<Supplier<List<Root>>> rootsListProviders.
• Improved error handling and logging

Module Names Updated

• spring-ai-mcp-core → mcp
• spring-ai-mcp-spring → spring-ai-mcp
• spring-ai-mcp → mcp-parent