Thomas Roche thoroc

I was backend lead at Manus. After building agents for 2 years, I stopped using function calling entirely. Here's what I use instead.

English is not my first language. I wrote this in Chinese and translated it with AI help. The writing may have some AI flavor, but the design decisions, the production failures, and the thinking that distilled them into principles — those are mine.

I was a backend lead at Manus before the Meta acquisition. I've spent the last 2 years building AI agents — first at Manus, then on my own open-source agent runtime (Pinix) and agent (agent-clip). Along the way I came to a conclusion that surprised me:

A single run(command="...") tool with Unix-style commands outperforms a catalog of typed function calls.

Here's what I learned.

PatchworkOS strictly follows the "everything is a file" philosophy in a way inspired by Plan9, this can often result in unorthodox APIs that seem overcomplicated at first, but the goal is to provide a simple, consistent and most importantly composable interface for all kernel subsystems, more on this later.

Included below are some examples to familiarize yourself with the concept. We, of course, cannot cover everything, so the concepts presented here are the ones believed to provide the greatest insight into the philosophy.

Sockets

The first example is sockets, specifically how to create and use local seqpacket sockets.

To create a local seqpacket socket, you open the /net/local/seqpacket file. This is equivalent to calling socket(AF_LOCAL, SOCK_SEQPACKET, 0) in POSIX systems. The opened file can be read to return the "ID" of the newly created socket which is a string that uniquely identifies the socket, more on this later.

Awesome list of awesome project for local agentic workflow

List of projects that are somewhat related to opencode.

Model list

https://models.dev

Running local models

OpenCode Configuration Guide

This document provides a comprehensive overview of all available configuration options for OpenCode, including command-line flags, environment variables, and configuration file settings.

	#!/usr/bin/env zsh

	# Script to find and restore files/directories from git history
	# Usage: ./restore-file-from-history.sh [OPTIONS] <pattern>
	# Supports partial filenames and directories
	#
	# Options:
	# -a, --all Automatically select all matches
	# -y, --yes Automatically confirm restoration
	# -h, --help Show this help message

	#!/usr/bin/env bun
	import { promises as fs } from 'node:fs';
	import path from 'node:path';
	import process from 'node:process';

	const chromeExtensionIds = [
	'bpgaffohfacaamplbbojgbiicfgedmoi', 'cdgonefipacceedbkflolomdegncceid',
	'cihbmmokhmieaidfgamioabhhkggnehm', 'eagiakjmjnblliacokhcalebgnhellfi',
	'eaokmbopbenbmgegkmoiogmpejlaikea', 'gipnpcencdgljnaecpekokmpgnhgpela',
	'gnhgdhlkojnlgljamagoigaabdmfhfeg', 'hlcjkaoneihodfmonjnlnnfpdcopgfjk',

	#!/usr/bin/env bash
	set -euo pipefail
	shopt -s nullglob

	# opencode-model-check.sh - Check currently used model in OpenCode logs
	#
	# Requirements:
	# REQUIRED:
	# - jq: JSON processor (https://jqlang.github.io/jq/)
	# - grep: Text search utility (standard on all Unix systems)

	#!/bin/bash
	DIRNAME=${1:-.}
	cd "$DIRNAME"

	FILES=$(mktemp)
	PACKAGES=$(mktemp)

	export NUMCONCURRENT=8

	function findCmd {

	#!/bin/bash

	RED='\033[0;31m'
	GREEN='\033[0;32m'
	ORANGE='\033[0;33m'
	CYAN='\033[0;36m'
	NC='\033[0m' # No Color

	LOGFILE="$(date '+%Y%m%d-%H%M%S')-migrate-from-homebrew.log"