Java SDK MCP Server

by modelcontextprotocol• 3.8k•• Scanned•Claim this listing•Request removal
Developer Toolsjavamcpmcp clientmcp server

The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

Java SDK is an open-source mcp server by modelcontextprotocol, written mainly in Java, with 3,757 GitHub stars and the MIT license. Its code was last updated Nov 1, 2026. The latest npm release is @modelcontextprotocol/conformance 0.1.16, published Mar 30, 2026, with 244,688 downloads last week.

Scan summary: scanned Nov 5, 2026 at commit 29a1c76. No capabilities flagged by our checks. Scan policy

How to install Java SDK

Built from the start command in the project's README: npx @modelcontextprotocol/conformance server --url http://localhost:8080/mcp --suite active. Check the README for required keys or settings.

Claude Code · Terminal
claude mcp add java-sdk -- npx @modelcontextprotocol/conformance server --url http://localhost:8080/mcp --suite active
Claude Desktop · claude_desktop_config.json
{
  "mcpServers": {
    "java-sdk": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/conformance",
        "server",
        "--url",
        "http://localhost:8080/mcp",
        "--suite",
        "active"
      ]
    }
  }
}
Cursor · .cursor/mcp.json
{
  "mcpServers": {
    "java-sdk": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/conformance",
        "server",
        "--url",
        "http://localhost:8080/mcp",
        "--suite",
        "active"
      ]
    }
  }
}
VS Code · Terminal
code --add-mcp '{"name":"java-sdk","command":"npx","args":["@modelcontextprotocol/conformance","server","--url","http://localhost:8080/mcp","--suite","active"]}'

What Java SDK can touch

  • Run shell commandsNot seen in this scan
  • Run dynamic codeNot seen in this scan
  • Read or write filesNot seen in this scan
  • Read environment and secretsNot seen in this scan
  • Control a web browserNot seen in this scan
  • Connect to databasesNot seen in this scan
  • Read or send messagesNot seen in this scan
  • Touch money or tradingNot seen in this scan
  • Connect to the internetNot run in this scan

"Not seen" means our checks did not find it, and the tool may still do it. Covers commit 29a1c76, Nov 5, 2026. See the scan policy.

Before you install Java SDK

AgenticMart scanned Java SDK on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.

What it can access

  • An MCP server is a program your AI app starts and talks to. A local one runs with your user's permissions: it can see the files, environment variables and network your account can.

Before you install

  1. Pin the version you reviewed instead of always installing the latest release.
  2. Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
  • Maintained by modelcontextprotocol on GitHub, 3,757 stars and 1,112 forks. Popularity is not proof of safety.
  • Last code change: Nov 1, 2026.
  • Open-source license: MIT.

Java SDK is an open-source mcp server by modelcontextprotocol, written mainly in Java. The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

At a glance

Stars
3.8k
Forks
1.1k
Language
Java
License
MIT
Created
Jan 2025
Last update
Nov 1, 2026
Type
MCP Server
Price
Free

Topics

javamcpmcp-clientmcp-server

Questions about Java SDK

What is Java SDK?

The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

Who maintains Java SDK?

Java SDK is maintained by modelcontextprotocol on GitHub (modelcontextprotocol/java-sdk). AgenticMart lists it from public repository data.

Is Java SDK safe to use?

AgenticMart scanned Java SDK on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.

What license does Java SDK use?

It is published under the MIT license.

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