Learn the stateless MCP revision (2026-07-28) by building it twice — once with the Python SDK v2, once with the TypeScript SDK v2. Five lessons that mirror each other file for file: hello world, a ser
A hands-on repo for learning MCP protocol revision 2026-07-28 — the release that made the Model Context Protocol stateless — with both official SDK v2 lines:
package version used here --------- Python mcp 2.0.0 TypeScript @modelcontextprotocol/{core,server,client,node,express} 2.0.0
Every example in this repo was run against a live server before being committed.
The two stacks are lesson-for-lesson identical — same numbers, same tool names, same wire — so any file on one side has a counterpart on the other teaching the same thing with the other SDK. Read one language through, then diff it against the other; the differences that survive are the interesting part, and each project's README tabulates them.
Nothing is installed globally except the two toolchains. Each lesson pulls its own SDK copy.
version why check ------------ Node.js ≥ 20 every @modelcontextprotocol/@2.0.0 package sets engines.node: "=20" node --version npm ships with Node installs each TypeScript lesson npm --version uv any recent installs each Python lesson uv --version Python ≥ 3.13 what the lessons pin uv python list curl any only for the .sh scripts (Windows 10+ has it) curl --version PowerShell 7+, optional only if you want the .ps1 scripts instead of the .sh ones pwsh --version
You do not need to install Python yourself: every Python lesson carries a .python-version and uv sync downloads a matching interpreter if you have none. uv is the only thing to install by hand — curl -LsSf https://astral.sh/uv/install.sh sh, or brew install uv.
From the project README.
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