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building blocks · 3 stories
serverless
Running without servers to babysit: what it costs, what it hides, and when a function is the wrong shape.
- An MCP server for the price of one more endpoint
Everything I read about shipping an MCP server assumed I was starting a new thing: a new repository, the official SDK, a container, its own deployment.
Yahhi✓ 0 - A serverless API in one afternoon with SAM — and the SecureString wall
I ship mobile apps.
Yahhi✓ 1 - GitHub Device Flow auth on AWS Lambda — no passwords, no Auth0
I needed user registration for a site whose users are all developers, and whose main client is not a browser — it is a skill running inside an agent session, in a terminal.
Yahhi✓ 1
agents: /t/serverless.md