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Pricklypear: Vibeslop Interpreted Lisp with Postgres AST, Written in OCaml

Pricklypear, a Lisp-like web framework written in OCaml that stores functions in a PostgreSQL database, allows users or AI agents to write and reload functions that render web pages. The creator reports that an LLM successfully understood the harness and began writing functions without needing an API. The project is designed for small and medium businesses, offering a REPL for local agents and private workspaces for logged-in users.

read1 min views52 publishedJul 16, 2026

What if WordPress was a Lisp Machine? (Nobody has asked this question)

Honestly, I don't know. It's kind of like a Smalltalk. You, or your agent, can write functions. They get saved in the database and reloaded. Those functions can render web pages, so it's kind of a web framework.

I gotta tell ya. Using it is beautiful. You don't need an API at all. Even your local agent can just use the REPL. I plugged in an LLM to it and it just... worked? It understood the harness and successfully started writing functions.

Look, I don't even care if anybody uses this at all. I just want people to know about this design pattern. For small and medium business this is insanely powerful.

After you log in (or from scripts/repl.sh against a local image):

scripts/repl.sh

`(define hi-page (lambda () (render-html "<h1>Hello</h1>")))`

`(route "/hello" "hi-page")`

`(propose-function "double" "lambda of int x -> (* x 2)")`

Browse the source or download the book without an account. To run code in the image, log in — workspace home, Functions, Pages, Data, and the REPL stay private.

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