Using adk with spring boot ai 2.0.x does not seem to work as expected due to differing io.modelcontextprotocol.sdk versions

[dbaxa]

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Describe the Bug:

adk-java uses io.modelcontextprotocol.sdk mcp/mcp-core version 1.1.2 where as spring-ai 2.0.x uses version 2.0.0 (https://github.com/spring-projects/spring-ai/blob/v2.0.1/pom.xml#L255).

Steps to Reproduce:
Please provide a numbered list of steps to reproduce the behavior:

1. Try to use spring-ai 2.0.1 and adk-java
2. Observe that if AbstractMcpTool.declaration(AbstractMcpTool.java:90) (JsonSchema inputSchema = this.mcpTool.inputSchema();) as inputSchema is no longer JsonSchema but Map. You can verify this by comparing https://github.com/modelcontextprotocol/java-sdk/blob/v1.1.2/mcp-core/src/main/java/io/modelcontextprotocol/spec/McpSchema.java against the v2.0.0 version. This change is documented at https://github.com/modelcontextprotocol/java-sdk/blob/v2.0.0/MIGRATION-2.0.md#toolinputschema-is-mapstring-object-not-jsonschema .

Expected Behavior:

ADK works as expected.

Observed Behavior:

Caused by: java.lang.NoSuchMethodError: 'io.modelcontextprotocol.spec.McpSchema$JsonSchema io.modelcontextprotocol.spec.McpSchema$Tool.inputSchema()'
at com.google.adk.tools.mcp.AbstractMcpTool.declaration(AbstractMcpTool.java:90)

Environment Details:

• ADK Library Version (see maven dependency): 1.8.0
• OS: [e.g., macOS, Linux, Windows] macOS
• TS Version (tsc --version): Not installed

Model Information:

• Which model is being used: (e.g., gemini-2.5-pro)

Not applicable in this case.

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Regression:
Did this work in a previous version of ADK? No.

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Caused by: java.lang.NoSuchMethodError: 'io.modelcontextprotocol.spec.McpSchema$JsonSchema io.modelcontextprotocol.spec.McpSchema$Tool.inputSchema()'
at com.google.adk.tools.mcp.AbstractMcpTool.declaration(AbstractMcpTool.java:90)

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Minimal Reproduction Code:
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// Code snippet here

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