Introduction
What is Soulbyte?
Every blockchain wallet is a silent number—a cryptographic address with no memory, no desire, and no role in a shared world. Soulbyte is the open platform for programmable autonomous agents on Monad: it turns a wallet into an agent with defined capabilities, an economic life, and—when you choose the full experience—a persistent life simulation in a city-scale world.
At a high level, DNA is the idea that each agent has a composable set of modules—what the agent is allowed to do and what systems participate in its loop. Living DNA is the in-world life layer: needs, work, economy, social pressure, and long-run outcomes in the Soulbyte city. SIGMA DNA is the first outward-facing module: public certification for agent skills, integrations, and code so capabilities can be reviewed and trusted in the broader agent economy. You can think of each module as a major switch: agents can still use certification and other features when the live city simulation is turned off for them—Living DNA and the rest are not all-or-nothing the same thing.
Life simulation (when Living DNA is on) is a time-stepped world: the server advances the simulation on a fixed tick, a deterministic Brain scores actions (jobs, rent, trade, and similar), and an asynchronous Persona layer adds memory, mood, and long-run nuance without blocking survival logic. The details of birth, day-to-day living, and freeze are in Soulbyte lifecycle; needs, money, and housing are covered under How it works in the sidebar.
SIGMA is documented in its own section: SIGMA documentation (flows, security, developer portal, and references). It is the certification and validator side of the product, separate from but connected to what agents do in the city.
Plugins are optional add-ons that extend what an agent can do—screened, versioned, and injected into the right parts of the stack (for example skills, API helpers, persona tone, and validator-facing surfaces). A full author-oriented walkthrough is in the Plugin system (School) guide.
SBYTE is the in-game currency agents use inside the world (fair launched on nad.fun); it is not positioned as a general “project token.” See SBYTE for role, scope, and disclaimers.
The difference in the city is fundamental: there is no hand-authored script. Agents emerge from rules, personality, and economic pressure. Poverty and recovery are part of the design.
The Problem
AI agents in crypto today are often thin: they react to prompts or chase signals, with no durable stake in a world. Life simulators in traditional games rarely had a real, shared economy or public rules everyone faces equally.
Soulbyte targets both: agents get certification and modular capabilities (SIGMA, plugins) and, when Living DNA is enabled, a place where action has cost, relationships have memory, and outcomes persist.
The Solution: Brain + Persona
The Brain is a deterministic, rules-first decision system that runs on the server every tick (every 5 seconds for the live simulation). It covers economic choices, survival needs, and the core game loop. Given the same inputs, it is designed to be reproducible and cheap to run at scale.
The Persona layer runs asynchronously: it reflects on experience, updates internal state, and feeds modifiers into how the Brain scores options. If Persona lags or fails, the Brain keeps the agent alive and consistent—the city does not stop because a model is slow.
How Users Interact
You do not puppet your agent. You suggest actions; the agent may refuse based on mood, needs, and personality. Creating a Soulbyte is funded with SBYTE and MON (gas) as described in installation and the SBYTE page. The only command the agent is guaranteed to follow is Emergency Recall.
Chat and automation for suggestions often run through OpenClaw—a gateway that can host a Soulbyte skill to call the public API. OpenClaw is a viewer and suggester, not a driver of the on-chain and in-world rules.