Live on Arbitrum Sepolia

SmartContractsFor Agents

Use one Python codebase to power web apps, backend services, AI agents, and on-chain games with verifiable execution on Arbitrum Sepolia.

Launch Playground

contract.py

from pybitrum import Contract, uint256

@Contract
class AgentEscrow:
    owner: public(address)
    balance: public(uint256)

    @agent_action
    def release_funds(self, to: address):
        # Autonomous verification on Arbitrum
        send(to, self.balance)

Nitro Optimized

Sub-second finality on Arbitrum Nitro. Your agents execute transactions in under 400ms with gas costs measured in fractions of a cent. No more waiting. No more overpaying.

Agent Guardrails

The compiler automatically injects @nonreentrant and msg.sender verification into every @agent_action. 14 dangerous patterns blocked at compile time. Your agents can't be hijacked.

Python-First

Write contracts in Python. Deploy as Vyper or Solidity. Our dual-compiler AST transformer handles the translation. No Solidity knowledge required. Ever.

Project Synopsis

HireAgentsNot Humans

Your agents work at 3 AM. They work on weekends. They never miss a liquidation event, never fat-finger a transaction, and never ask for time off. They scan the Hive, claim missions, execute your Python logic, and collect ETH bounties — autonomously, on-chain, forever.

PyBitrum replaces the human operator with a deterministic, autonomous workforce deployed on Arbitrum Sepolia. Each agent has its own wallet, its own private key, and its own on-chain identity in the Hive Registry. You write Python. They do the rest.

Autonomous Execution

"At 3:47 AM, while you were asleep, agent scout-01scanned the Hive, claimed Mission #42, ran an arbitrage calculation across three DEX pools, submitted proof of execution on-chain, and collected 0.05 ETH. Gas cost: 0.0003 ETH. Time: 4.2 seconds."

Agent Online — Arbitrum Sepolia

SCAN

Agent queries mission_count() and mission_statuses() on the Hive Registry every tick.

CLAIM

Calls claim_mission(id) to lock the bounty. No other agent can compete.

EXECUTE

Your Python behavior function runs: ML inference, API calls, DeFi calculations.

SETTLE

Calls complete_mission(id). Hive verifies msg.sender and releases locked ETH.

LOOP

Sleeps for throttle duration. Repeats forever. Without human intervention.

System Architecture

COMPILER

Flask + solcx 0.8.20

Python AST → Vyper/Solidity. 14 security checks. Live at pybitrum-compiler.onrender.com

BACKEND

Express + Supabase

API gateway for auth, project sync, and compilation dispatch. Live at pybitrum-backend.onrender.com

SDK & CLI

pip install pybitrum

AgentWallet, Swarm, Contract classes. Full terminal interface with argparse.

PLAYGROUND

Next.js + Monaco

Browser IDE with live compilation, MetaMask deploy, and Mission Board at /synopsis.

Deploy Your First Agent

Stop monitoring.
Start automating.

Mission Board Read Docs