I built pi-openapi-tools — a Pi extension that reads an OpenAPI/Swagger spec and dynamically registers one callable tool per API operation.

Instead of hand-writing wrappers for every endpoint, you point Pi at a spec URL and immediately start using generated tools.

npm: pi-openapi-tools on npm

Pi package: pi-openapi-tools on Pi

GitHub: Repository

Why I built this

Most API-agent integrations still require too much manual glue code:

mapping endpoints to functions

defining parameter schemas

maintaining naming consistency

wiring auth/token handling

repeating the process for every API

That slows experimentation and makes agent tooling fragile.

I wanted a runtime-first workflow:

spec → generated tools → live API calls

What the extension does

Given an OpenAPI or Swagger spec URL, pi-openapi-tools:

Generates one Pi tool per operation

Supports Swagger 2.0 and OpenAPI 3.x

Builds structured parameter schemas automatically

Resolves request bodies by media/content type

Handles path, query, and header…