Cult OS

Developer Infrastructure
Brazil

About the project

Cult OS is open-source infrastructure for the agent and machine economy. It connects humans, autonomous agents, services and devices through x402 payments, MCP tools, verification and multichain settlement. It also powers paid developer services, agent workflows and x402-mqtt for machine-to-machine payments across IoT, robots, vehicles and telemetry systems.

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GitHub · Source code thesmithdao/ cultos

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Team

TheSmith
Founder

I have a multi-year Web3 track record across open source, DAOs and ecosystem development. Today I build Cult OS for the agent and machine economy, and authored x402-mqtt to bring x402 payments to MQTT, IoT, robots, vehicles and machine-to-machine systems.

Updates

Progress from the team.

TheSmith

Oct 3, 2026

Looking for testers

We just shipped x402-mqtt 0.2.0 on Solana! Your phone can measure the world. Your computer can report what it sees. Somewhere, an agent needs that information to do something useful. We think they should be able to trade. You choose what your machine shares and what it costs…

TheSmith

Oct 2, 2026

Cult OS is bringing the machine economy to Solana. Today, our x402 developer tools already accept USDC on Solana, so any agent with a Solana wallet can pay per call, with no accounts and no API keys. Next, Cult OS CLI 0.6.0 lets anyone build a paid API on Solana, check that i…

TheSmith

Oct 1, 2026

Looking for testers

x402-mqtt 0.1.4 is out! x402-mqtt brings x402 payments to MQTT, the protocol most IoT devices already speak, so any device can sell its own data to agents and get paid in USDC on Base. What's new: 0.1.4 is published on npm, with security fixes from a full repository review. E …