mcp-transport-prototype
@Amishk599
About mcp-transport-prototype
A prototype implementation to build custom MCP server that is accessible over stdio and SSE transport
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"mcp-transport-prototype": {
"command": "python",
"args": [
"main.py",
"--transport",
"sse"
]
}
}
}Tools
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Overview
What is mcp-transport-prototype?
mcp-transport-prototype is a prototype implementation for understanding how to build a custom MCP server accessible over both stdio and SSE transports. It explores the differences between Server-Sent Events (SSE) and standard input/output (stdio) for MCP communication.
How to use mcp-transport-prototype?
Run the server with uv run main.py in one terminal, and the client with uv run mcp_client.py in another to test the SSE transport. No further configuration details are provided.
Key features of mcp-transport-prototype
- Implements MCP server over SSE and stdio transports
- Demonstrates one-way real-time streaming via SSE over HTTP
- Shows traditional process communication via stdio
- Includes a sample client script to test SSE mode
Use cases of mcp-transport-prototype
- Understanding how to build custom MCP servers with different transports
- Testing SSE for web dashboards or browser-based apps needing live updates
- Using stdio for command-line tools or LLM agents launching MCP as subprocess
FAQ from mcp-transport-prototype
What is the difference between SSE and stdio transports?
SSE runs the MCP server as a separate HTTP service, pushing real-time updates one-way from server to client over the network. Stdio launches the server as a subprocess communicating via stdin/stdout, ideal for in-process tools without network overhead.
What runtime dependencies are required?
The prototype uses uv for running Python scripts. No additional dependencies are listed.
How do I test the SSE transport?
Run uv run main.py in one terminal and uv run mcp_client.py in another. The client script is available at the provided GitHub link.
Where does the data live?
The README does not specify data storage; it focuses on transport implementation only.
What are the known limitations?
SSE is one-way (server to client), unlike WebSockets. No other limitations are mentioned.
Frequently asked questions
What is the difference between SSE and stdio transports?
SSE runs the MCP server as a separate HTTP service, pushing real-time updates one-way from server to client over the network. Stdio launches the server as a subprocess communicating via stdin/stdout, ideal for in-process tools without network overhead.
What runtime dependencies are required?
The prototype uses `uv` for running Python scripts. No additional dependencies are listed.
How do I test the SSE transport?
Run `uv run main.py` in one terminal and `uv run mcp_client.py` in another. The client script is available at the provided GitHub link.
Where does the data live?
The README does not specify data storage; it focuses on transport implementation only.
What are the known limitations?
SSE is one-way (server to client), unlike WebSockets. No other limitations are mentioned.
Basic information
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