JSON RPC 2.0
An MCP protocol server written in Scala 3, supporting multiple tool functions.
rating : 2.5 points
downloads : 4.6K
What is MCP-scala?
MCP-scala is a lightweight Model Context Protocol server for building intelligent dialogue systems. It allows developers to define and run custom tools, such as generating random numbers and calculating the sum of sequences. With simple configuration, it can be easily integrated into existing chat applications.How to use MCP-scala?
Simply write a configuration file and start the server to begin using predefined tools or customize new ones. Clients can communicate with the server through standard input and output (stdin/stdout).Application Scenarios
MCP-scala is suitable for scenarios that require rapid development and deployment of intelligent dialogue systems, such as customer service robots, educational assistants, and data analysis tools.Main Features
Automatic JSON Schema Generation
There's no need to manually write schemas. The system will automatically generate JSON schemas based on tool definitions.
Simplified Tool Definition
Define tool logic through simple Scala code, supporting multiple data processing tasks.
Support for Text Content Section
Can return plain text results as tool output.
Expansion of Other Content Sections
Future versions will support more complex data formats, such as tables and charts.
Notification and Capability Management
Notification mechanism and capability permission control will be supported soon.
Advantages
Easy to integrate, supporting multiple protocols (e.g., HTTP and STDIO).
Flexible tool definition method, suitable for rapid development.
Open - source with an active community, facilitating customization and expansion.
It has basic functions in the Alpha stage and is stable and reliable.
Limitations
Some advanced functions are still under development, such as HTTP transmission and authorization mechanisms.
Not fully compatible with lower versions of Scala.
Some tools may require an external environment to work properly.
How to Use
Install Dependencies
Ensure that the Scala 3 environment is installed and clone the project code.
Compile the Server
Use the SBT tool to compile the server into a JavaScript version.
Configure the Client
Add information about the MCP-scala server to the client configuration file.
Usage Examples
Generate a Random Number
Call the randomNumber tool to generate a random integer between 1 and 100.
Calculate the Sum of a Sequence
Use the iota tool to generate a sequence and calculate the sum through the sum tool.
Frequently Asked Questions
Does MCP-scala support HTTPS transmission?
How to customize tools?
Is MCP-scala free?
Related Resources
Official Documentation
Detailed user manuals and technical guides.
GitHub Code Repository
Source code address and issue tracking.
Community Forum
A platform for communicating with other users.

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