Package org.springframework.ai.mcp.server.autoconfigure

Class McpServerObjectMapperAutoConfiguration

java.lang.Object

org.springframework.ai.mcp.server.autoconfigure.McpServerObjectMapperAutoConfiguration

@AutoConfiguration(before={McpServerAutoConfiguration.class,McpWebMvcServerAutoConfiguration.class,McpWebFluxServerAutoConfiguration.class})
@ConditionalOnClass(io.modelcontextprotocol.spec.McpSchema.class)
@ConditionalOnProperty(prefix="spring.ai.mcp.server",
                       name="enabled",
                       havingValue="true",
                       matchIfMissing=true)
@ConditionalOnMissingBean(name="mcpServerObjectMapper")
public class McpServerObjectMapperAutoConfiguration
extends Object

Auto-configuration for the MCP server ObjectMapper.

Provides a dedicated ObjectMapper bean named mcpServerObjectMapper configured for MCP protocol compliance. It can be overridden by providing a custom ObjectMapper bean with the name mcpServerObjectMapper.

Since:

1.0.0

Author:

Spring AI

Constructor Summary

Constructors

Constructor	Description
McpServerObjectMapperAutoConfiguration()

Method Summary

Modifier and Type	Method	Description
com.fasterxml.jackson.databind.ObjectMapper	mcpServerObjectMapper()	Creates a configured ObjectMapper for MCP server JSON serialization.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

McpServerObjectMapperAutoConfiguration

public McpServerObjectMapperAutoConfiguration()

Method Details

mcpServerObjectMapper

@Bean(name="mcpServerObjectMapper",
      defaultCandidate=false)
public com.fasterxml.jackson.databind.ObjectMapper mcpServerObjectMapper()

Creates a configured ObjectMapper for MCP server JSON serialization.

Configured for MCP protocol compliance with:

• Lenient deserialization that doesn't fail on unknown properties
• Proper handling of empty beans during serialization
• Exclusion of null values from JSON output
• Standard Jackson modules for Java 8, JSR-310, and Kotlin support

This bean can be overridden by providing a custom ObjectMapper bean with the name mcpServerObjectMapper.

Returns:

configured ObjectMapper instance for MCP server operations