How to Build a Morpho Auto-Rebalancer with B3OS

Managing yield across DeFi protocols often requires constant monitoring and manual execution. For builders and liquidity providers, the ability to automate these repetitive tasks is essential for maintaining optimal capital efficiency. With B3OS, you can translate complex DeFi strategies into live, onchain workflows using natural language prompts, bypassing the need for manual contract interactions.

Watch the original B3OS video tutorial on YouTube.

What you will learn

• Use natural language prompts to define complex DeFi strategies.
• Incorporate conditional logic to optimize gas usage and avoid unnecessary rebalances.
• Integrate notification channels like Telegram to maintain visibility over automated tasks.
• B3OS abstracts the complexity of wallet management and contract interaction.
• Rapidly deploy and iterate on onchain workflows without writing custom code.

The Power of Prompt-Based Automation

B3OS introduces a new way to interact with onchain protocols through Caddie, an AI-driven agent designed to interpret complex operational requirements. Instead of writing custom scripts or managing individual wallet transactions, you can describe your desired outcome—such as rebalancing USDC on Morpho—and let the system map out the necessary steps.

This approach allows operators to define specific conditions, such as frequency or yield thresholds, ensuring that the automation only executes when it aligns with your predefined strategy.

Defining Your Rebalancing Logic

Effective automation relies on clear logic. When building a rebalancer, you must define the triggers and the constraints. For a Morpho-based strategy, this includes identifying the source of funds, the target vaults, and the conditions under which a rebalance should occur.

By integrating conditional logic—such as skipping a rebalance if the APY spread remains below a certain threshold—you avoid unnecessary transaction costs and gas fees, keeping your operational overhead low.

Adding Operational Visibility

Automation is not just about execution; it is about visibility. A robust workflow should keep you informed without requiring you to check your dashboard constantly. By incorporating notification triggers, such as Telegram alerts, you can receive real-time updates whenever a rebalance occurs or when your strategy reaches a critical milestone.

This transparency ensures that you remain in control of your onchain assets while the B3OS platform handles the execution in the background.

Moving from Prompt to Onchain Execution

Once the workflow logic is confirmed, the transition to live execution is seamless. B3OS handles the underlying complexity of wallet signatures and contract interactions, allowing you to deploy your strategy to the chain in seconds.

This rapid deployment cycle enables teams to test, iterate, and scale their DeFi operations without the traditional friction of smart contract development.

Workflow ideas to try in B3OS

• Yield Aggregator RebalancerAutomatically move USDC between Morpho vaults based on real-time APY fluctuations.
• Automated Treasury ManagementTrigger stablecoin swaps or deposits when treasury balances exceed a specific threshold.
• Protocol Alerting SystemMonitor smart contract events and receive instant notifications for significant liquidity movements.

Frequently asked questions

What is B3OS?

B3OS is an onchain operating system designed to turn manual wallet flows and smart contract interactions into repeatable, automated workflows.

Do I need to know how to code to use B3OS?

No, B3OS allows you to build sophisticated workflows using natural language prompts interpreted by the Caddie agent.

Can I set custom conditions for my workflows?

Yes, you can define specific triggers, conditional logic, and notification preferences to ensure your workflows execute exactly as intended.