David Gidwani darvid

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

The following guide will show you how to connect a local model served with MLX to OpenCode for local coding.

1. Install OpenCode

curl -fsSL https://opencode.ai/install | bash

2. Install mlx-lm

A guide to leaving Arc for Zen Browser

The problem with Arc is that it doesn't allow exporting data (history, bookmarks) to a file natively.

One way to do this is to use a script but that only exports Bookmarks and not the history.

I don't really use the bookmarks feature that much; what I really liked about Arc was that it was really easy to navigate to somewhere I already visited.

So, if you're like me, follow this guide and you'll be able to import your browsing history into Zen browser!

Overriding A Peer Dependency With PNPM

This guide explains how to override peer dependencies in a PNPM monorepo by using a custom hook. It provides a step-by-step solution to ensure consistent versioning across packages that rely on different versions of the same dependency.

Background

When working with a monorepo a challenges arises if you need to use multiple versions of the same package.

Nominally, this can be solved through package aliases and overides. However, a particularly sticky situation is when downstream packages rely peer dependencies of uptstream packages you need two or more versions of.

Documentation Search in Sanity

This Gist contains a sample query for searching text content in GROQ, Sanity's custom query language. We use something similar to this for Causal's documentation site. See more on our blog!

	"""
	The most atomic way to train and run inference for a GPT in pure, dependency-free Python.
	This file is the complete algorithm.
	Everything else is just efficiency.

	@karpathy
	"""

	import os # os.path.exists
	import math # math.log, math.exp

	#!/usr/bin/env bash
	# listgitfiles.sh
	# List raw GitHub URLs for files in a repo or subfolder, filtered by extensions.
	# Full README is embedded and printed only with: listgitfiles.sh -h\|--help

	set -euo pipefail

	# ------------------------- Minimal Help (usage) -------------------------
	print_min_help() {
	cat <<'USAGE'

	// Update globs depending on your framework
	---
	name: tailwind_v4
	description: Guide for using Tailwind CSS v4 instead of v3.x
	globs: ["*/.{js,ts,jsx,tsx,mdx,css}"]
	tags:
	- tailwind
	- css
	---

	<Overview>
	BAML (Basically, A Made-Up Language) is a domain-specific language for building LLM prompts as functions.
	You can build an agentic workflow with BAML.
	</Overview>

	<Schema>
	// Define output schemas using classes
	class MyObject {
	// Optional string fields use ?
	// @description is optional, but if you include it, it goes after the field.

	#!/usr/bin/env sh

	# LATEST VERSION OF THIS SCRIPT: https://gist.github.com/swayducky/8ba8f2db156c7f445d562cdc12c0ddb4
	# FORKED FROM: https://gist.github.com/ddwang/0046da801bcb29d241869d37ad719394
	# 1) No longer has a hard-coded COMMIT
	# 2) Auto-symlinks a "code" script to avoid wslCode.sh breaking

	# HOW TO INSTALL:
	# 1) Remove "c:\Users\<USER_NAME>\AppData\Local\Programs\cursor\resources\app\bin" from Windows Environment Settings
	# 2) Modify this script with your Windows <USER_NAME> (NOT your WSL username) in the VSCODE_PATH variable