Mirror of https://github.com/modelcontextprotocol/java-sdk — The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
- Java 100%
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8e11fa82ae
- Add JSON schema validation for tool call results against output schemas - Implement automatic tool output schema caching during initialization - Add `enableCallToolSchemaCaching` configuration option to enable/disable schema caching - Add `JsonSchemaValidator` integration to McpClient builder APIs - Introduce post-initialization hook mechanism for performing operations after successful client initialization - Cache tool output schemas during `listTools` operations when caching is enabled - Validate tool results against cached schemas in `callTool` operations - Return error CallToolResult when validation fails - Add test coverage - Convert validateToolResult from Mono to synchronous method - Throw IllegalArgumentException on validation errors Signed-off-by: Christian Tzolov <christian.tzolov@broadcom.com> Co-authored-by: Anurag Pant <pantanurag555@github> Co-authored-by: Christian Tzolov <christian.tzolov@broadcom.com> Co-authored-by: Daniel Garnier-Moiroux <git@garnier.wf> Co-authored-by: Dariusz Jędrzejczyk <dariusz.jedrzejczyk@broadcom.com> |
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| .github | ||
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| mcp | ||
| mcp-bom | ||
| mcp-core | ||
| mcp-json | ||
| mcp-json-jackson2 | ||
| mcp-spring | ||
| mcp-test | ||
| .gitattributes | ||
| .gitignore | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| LICENSE | ||
| migration-0.8.0.md | ||
| mvnw | ||
| mvnw.cmd | ||
| pom.xml | ||
| README.md | ||
| SECURITY.md | ||
MCP Java SDK
A set of projects that provide Java SDK integration for the Model Context Protocol. This SDK enables Java applications to interact with AI models and tools through a standardized interface, supporting both synchronous and asynchronous communication patterns.
📚 Reference Documentation
MCP Java SDK documentation
For comprehensive guides and SDK API documentation
- Features - Overview the features provided by the Java MCP SDK
- Architecture - Java MCP SDK architecture overview.
- Java Dependencies / BOM - Java dependencies and BOM.
- Java MCP Client - Learn how to use the MCP client to interact with MCP servers.
- Java MCP Server - Learn how to implement and configure a MCP servers.
Spring AI MCP documentation
Spring AI MCP extends the MCP Java SDK with Spring Boot integration, providing both client and server starters. Bootstrap your AI applications with MCP support using Spring Initializer.
Development
Building from Source
./mvnw clean install -DskipTests
Running Tests
To run the tests you have to pre-install Docker and npx.
./mvnw test
Contributing
Contributions are welcome! Please follow the Contributing Guidelines.
Team
- Christian Tzolov
- Dariusz Jędrzejczyk
Links
License
This project is licensed under the MIT License.