Learn in short lessons
Eight bite-sized lessons, about an hour in total. Take them in order, or jump straight to what you want to build.
Jump straight to…
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I want to make a skill
Plain text, no code. The quickest way in.
Start lesson 2 →🔌
I want to connect a service
Point Tallgeese at an MCP address.
Start lesson 4 →🧰
I want to build a tool
A sandboxed program in Rust.
Start lesson 5 →🧩
I want to make a mini-app
Tool + assistant + page.
Start lesson 6 →The full path
- 1The big pictureWhat the Marketplace is, and which kind of item to build.
- 2Your first skillMake a skill from a text file and try it in the app. No code.
- 3Write it wellWords for people, instructions for the assistant, and how to polish both.
- 4Connect a servicePoint Tallgeese at an online service's MCP address.
- 5Build a toolWrite a small sandboxed program that gives Tallgeese a new ability.
- 6Create a specialistCombine a tool, a focused assistant and a page into a mini-app.
- 7Test it and earn trustWhat people are asked, what each part can do, and a test routine.
- 8Ship itUpdates, getting listed, and a final checklist.
Short on time?
Do lessons 1 and 2 (13 minutes) and you'll have a working skill. Everything else builds on the same folder.