minimal-mcp-http
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@minimal-mcp-httpconnect to the MCP endpoint and list the available tools"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
minimal-mcp-http
A minimal Model Context Protocol server over
Streamable HTTP (spec 2025-11-25) in one stdlib-only Python file — no
pip install, no framework. Built as a starter for the Amazon AppDev 2026 Alexa+
track, useful anywhere you need a spec-shaped MCP endpoint for demos and judging.
Run
python3 minimal_mcp_server.py --port 8000
python3 -m unittest discover -s . -p "test_*.py"Related MCP server: Streamable HTTP MCP Server
Protocol subset
Single POST /mcp endpoint: initialize → MCP-Session-Id → tools/list →
tools/call (+ ping). GET returns 405 (spec-allowed when no SSE stream is
offered). Origin validation (403 on mismatch) and MCP-Protocol-Version
enforcement (400 on mismatch) included.
Add your own tool
def _hello(name="world"):
return {"greeting": f"hello {name}"}
TOOLS["hello"] = (
{"name": "hello", "description": "...",
"inputSchema": {"type": "object", "properties": {"name": {"type": "string"}}}},
_hello,
)License
MIT — see LICENSE.
This server cannot be deployed
Maintenance
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