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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
382 commits 1 branch 50 tags 7.8 MiB
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Filename Latest commit message Latest commit date
Yanming Zhou e94a93a91b fix: Add null check for response ID to prevent memory leaks 
- Check if response.id() is not null before processing in MCP session classes
- Log error when MCP response lacks session ID to warn about potential memory leaks
- Improve error handling in McpStreamableServerSession with proper error codes

The missing null check could lead to memory leaks as pending requests
would never be completed when responses lack session IDs. This fix ensures
proper handling of such cases with appropriate error logging.

Resolves #506

Signed-off-by: Yanming Zhou <zhouyanming@gmail.com>
2025-09-08 14:01:57 +02:00
.github Add CI GitHub Action and rename snapshot publish workflow 2025-03-18 13:37:49 +01:00
.mvn/wrapper initial 2024-12-06 16:41:17 +01:00
mcp fix: Add null check for response ID to prevent memory leaks 2025-09-08 14:01:57 +02:00
mcp-bom Next development version 2025-09-04 21:11:37 +02:00
mcp-spring Next development version 2025-09-04 21:11:37 +02:00
mcp-test fix: Skip structured output validation for error tool results 2025-09-08 13:56:14 +02:00
.gitattributes initial 2024-12-06 16:41:17 +01:00
.gitignore Rename modules, update .gitignore 2024-12-10 18:46:49 -05:00
CODE_OF_CONDUCT.md Add Contributing Guidelines and Code of Conduct 2025-05-16 11:47:39 +02:00
CONTRIBUTING.md Add note about force pushes 2025-05-16 11:47:39 +02:00
LICENSE Update license text and GH actions 2025-01-28 14:36:31 +01:00
migration-0.8.0.md refactor: introduce session-based architecture for MCP server (#31) 2025-03-20 21:49:51 +01:00
mvnw initial 2024-12-06 16:41:17 +01:00
mvnw.cmd initial 2024-12-06 16:41:17 +01:00
pom.xml Next development version 2025-09-04 21:11:37 +02:00
README.md typo fix 2025-06-26 13:45:52 +02:00
SECURITY.md Add Contributing Guidelines and Code of Conduct 2025-05-16 11:47:39 +02:00

README.md

MCP Java SDK

Build Status

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

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.