MCP Java SDK
Official Java SDK for MCP servers and clients.
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Use cases
About MCP Java SDK
MCP Java SDK is listed in our MCP servers category and is aimed at builders. Official Java SDK for MCP servers and clients. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-16.
What is MCP Java SDK?
The MCP Java SDK is the official set of Java projects for the Model Context Protocol. It lets Java applications interact with AI models and tools through a standard interface.
It supports both synchronous and asynchronous communication patterns.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: java.sdk.modelcontextprotocol.io/latest.
Who is MCP Java SDK for?
Java developers building MCP servers or clients.
MCP Java SDK at a glance
- Open source: Yes (MIT License)
- GitHub: modelcontextprotocol/java-sdk · 3,730 stars (as of Oct 21, 2026)
Key features
- Official Java MCP SDK
- Sync and async patterns
- Servers and clients
MCP Java SDK FAQ
What is MCP Java SDK?
The MCP Java SDK is the official set of Java projects for the Model Context Protocol. It lets Java applications interact with AI models and tools through a standard interface.
Who is MCP Java SDK for?
Java developers building MCP servers or clients.
Is MCP Java SDK free?
MCP Java SDK's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is MCP Java SDK open source?
Yes. MCP Java SDK is released under the MIT License, according to its GitHub repository.
What are alternatives to MCP Java SDK?
Similar tools include MCP Python SDK, MCP TypeScript SDK, MCP C# SDK, MCP Apps, OneSignal MCP and ClickHouse MCP.
MCP Java SDK ratings and reviews
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MCP Java SDK alternatives
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MCP Python SDK
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MCP TypeScript SDK
Official TypeScript SDK for building MCP servers and clients.
MCP C# SDK
Official C# SDK for building MCP servers and clients, maintained with Microsoft.
MCP Apps
Official spec and SDK for MCP Apps, the standard for interactive UIs like charts and forms that MCP servers render inside chat clients.
OneSignal MCP
OneSignal's official hosted MCP server for managing users, segments, templates, push and email messages and analytics from AI clients.
ClickHouse MCP
Official ClickHouse MCP server for querying and exploring ClickHouse databases.
Related lists
🏆 Ranked in: Context7 alternatives
🔁 Listed in: Context7 alternatives
🧭 Task guides: Agent frameworks and SDKs for building MCP servers
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