MCP Java SDK lets devs build MCP servers without protocol plumbing
6000fish released `mcp-java` v0.1.1, an open-source Java SDK on Maven Central for building Model Context Protocol servers, including a Spring Boot starter, stdio and SSE transports, and ready-to-use MySQL and Redis server implementations.
Score breakdown
The SDK removes the need for Java developers to implement MCP protocol plumbing from scratch, providing a Maven Central-distributed path to building MCP-compatible servers with Spring Boot integration.
- 01Released as open-source by author 6000fish on GitHub at `6000fish/mcp-java`
- 02Version `0.1.1` is available on Maven Central as `io.github.6000fish:mcp-sdk:0.1.1`
- 03Spring Boot starter published as `io.github.6000fish:mcp-spring-boot-starter:0.1.1`
6000fish released `mcp-java` v0.1.1, an open-source Java SDK designed to help Java developers expose tools, resources, and prompts to MCP-compatible agents without having to implement the Model Context Protocol plumbing themselves. The project is published on Maven Central under the group ID `io.github.6000fish`, with two artifacts: `mcp-sdk:0.1.1` for the core library and `mcp-spring-boot-starter:0.1.1` for Spring Boot integration. The SDK includes both stdio and SSE transports, a Java API with annotation-based tool registration, a 5-minute quick-start example, and a copyable custom server template.
Beyond the core SDK, the project ships two ready-to-use MCP server implementations for MySQL and Redis.
Beyond the core SDK, the project ships two ready-to-use MCP server implementations for MySQL and Redis. Both are local stdio MCP servers rather than hosted remote endpoints — a deliberate design choice, as the author notes that database and cache connectors are generally safer to run inside the user's own environment to avoid exposing credentials externally. The project is available on GitHub at `6000fish/mcp-java`.
Key facts
- 01Released as open-source by author 6000fish on GitHub at `6000fish/mcp-java`
- 02Version `0.1.1` is available on Maven Central as `io.github.6000fish:mcp-sdk:0.1.1`
- 03Spring Boot starter published as `io.github.6000fish:mcp-spring-boot-starter:0.1.1`
- 04Supports stdio and SSE transports
- 05Includes annotation-based tool registration API
- 06Ships ready-to-use MySQL and Redis MCP servers as local stdio servers
- 07MySQL and Redis servers use stdio (not remote) to avoid exposing credentials to hosted endpoints
Topics
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