dabit3

PI is a TypeScript toolkit for building AI agents. It's a monorepo of packages that layer on top of each other: pi-ai handles LLM communication across providers, pi-agent-core adds the agent loop with tool calling, pi-coding-agent gives you a full coding agent with built-in tools, session persistence, and extensibility, and pi-tui provides a terminal UI for building CLI interfaces.

These are the same packages that power OpenClaw. This guide walks through each layer, progressively building up to a fully featured coding assistant with a terminal UI, session persistence, and custom tools.

By understanding how to compose these layers, you can build production-grade agentic software on your own terms, without being locked into a specific abstraction.

Pi was created by @badlogicgames. This is a great writeup from him that explains some of the design decisions made when creating it.

The stack

simonwep

// ==UserScript==
// @name         Spotify ad skipper
// @version      1.0
// @namespace    http://tampermonkey.net/
// @description  Detects and skips ads on spotify
// @match        https://*.spotify.com/*
// @grant        none
// @run-at       document-start
// @downloadURL  https://gist.githubusercontent.com/Simonwep/24f8cdcd6d32d86e929004013bd660ae/raw
// @updateURL    https://gist.githubusercontent.com/Simonwep/24f8cdcd6d32d86e929004013bd660ae/raw

brandonmwest

httpClient.DefaultRequestHeaders.Authorization = 
    new AuthenticationHeaderValue(
        "Basic", 
        Convert.ToBase64String(
            System.Text.ASCIIEncoding.ASCII.GetBytes(
                string.Format("{0}:{1}", username, password))));

tsiege

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!






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mathiasverraes

<?php
function it($m,$p){echo ($p?'✔︎':'✘')." It $m\n"; if(!$p){$GLOBALS['f']=1;}}function done(){if(@$GLOBALS['f'])die(1);}