MCProtocolLib MCP Server

by GeyserMC• 909•• Scanned•Claim this listing•Request removal
Gaming & Game Devjavalibraryminecraftminecraft protocolprotocol

A library for communication with a Minecraft client/server.

MCProtocolLib is an open-source mcp server by GeyserMC, written mainly in Java, with 909 GitHub stars and the MIT license. Its code was last updated Oct 26, 2026.

MCProtocolLib

MCProtocolLib is a simple library for communicating with Minecraft clients and servers. It allows developers to build custom bots, clients, or servers for Minecraft with ease.

Example Code

See the example folder for sample usage.

Adding as a Dependency

MCProtocolLib builds are published to the Open Collaboration repository. Follow the below steps to add MCProtocolLib as a dependency to your project.

Maven

Add the Repository

<repositories>
    <repository>
        <id>opencollab</id>
        <url>https://repo.opencollab.dev/main/</url>
    </repository>
</repositories>

Add the Dependency

<dependency>
    <groupId>org.geysermc.mcprotocollib</groupId>
    <artifactId>protocol</artifactId>
    <version>(version here)</version>
</dependency>

Gradle (Groovy DSL)

Add the Repository

repositories {
    maven { 
        name 'opencollab'
        url 'https://repo.opencollab.dev/main/'
    }
}

Add the Dependency

dependencies {
    implementation 'org.geysermc.mcprotocollib:protocol:(version here)'
}

Gradle (Kotlin DSL)

Add the Repository

repositories {
    maven("https://repo.opencollab.dev/main/") {
        name = "opencollab"
    }
}

Add the Dependency

dependencies {
    implementation("org.geysermc.mcprotocollib:protocol:(version here)")
}

Snapshots

To use snapshot builds, switch the URL to https://repo.opencollab.dev/maven-snapshots/.

Javadocs

You can find the Javadocs for MCProtocolLib on opencollab.

Building the Source

MCProtocolLib uses Gradle to manage dependencies. To build the source code, run ./gradlew clean build in the project root directory.

Support and Development

Please join the GeyserMC Discord server and visit the #mcprotocollib channel for discussion and support for this project.

License

MCProtocolLib is licensed under the MIT license.

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