uv init mcp-tutorial
cd mcp-tutorial
uv add "mcp[cli]<2.0"

mcp.run()  # stdio transport (subprocess)
-OR-
mcp.run(transport="streamable-http")  # now an HTTP service on :8000

# If the MCP Server were using stdio transport, then we would use stdio_client(server_params) to talk to it.
async with stdio_client(server_params) as (read, write):

# If it were using HTTP transport, we would use streamablehttp_client("http://localhost:8000/mcp")
async with streamablehttp_client("http://localhost:8000/mcp") as (read, write, _):

uv run mcp dev server.py

# Tell the client HOW to launch the server (as a subprocess over stdio)
server_params = StdioServerParameters(command="python", args=["server.py"])

uv run client_only.py

$ ollama ps
NAME    ID    SIZE    PROCESSOR    CONTEXT    UNTIL

$ brew services list
Name          Status  User  File
ollama        started sdaas ~/Library/LaunchAgents/homebrew.mxcl.ollama.plist
...

$ curl http://localhost:11434/api/tags | jq
.... API response ....

uv run host.py

uv run host_with_loop.py

$ uv run server.py
INFO:     Started server process [75425]
INFO:     Waiting for application startup.
[08/24/26 17:09:14] INFO     StreamableHTTP session manager started        streamable_http_manager.py:143
INFO:     Application startup complete.
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)

uv run host_with_loop.py
USER: What's the temperature in Tokyo?
MODEL: ...
MODEL: ...
ANSWER: The current temperature in Tokyo is 18°C.