The Agent Economy That Pays for Itself

Built for the lablab.ai x Arc x Circle Hackathon — April 2026 Track: Agent-to-Agent Payment Loop · Team: BusyBrain Labs

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What Is AgentFloat?

AgentFloat is a decentralized AI agent pipeline where every micro-action is settled in sub-cent USDC on Arc, idle capital earns US Treasury yield via USYC, and all payments use the x402 web-native standard — so the agent economy pays for itself.

A user submits a complex task. An orchestrator agent decomposes it using Claude and hires three specialist agents: Researcher, Analyst, and Writer. Every micro-action triggers a nanopayment via x402 on Arc, settled in under a second. All agent capital sits in USYC between tasks, earning T-bill yield automatically. Agent identities are registered and verified on ERC-8004.

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Architecture

User Task
    │
    ▼
Orchestrator Agent (ERC-8004 verified · USYC treasury · Claude API)
    │
    ├── x402 payment → Researcher ──► AIsa web_search     $0.0010
    │                            ──► AIsa data_extraction $0.0005
    │                            ──► AIsa fact_check      $0.0007
    │
    ├── x402 payment → Analyst ───► analyze               $0.0015
    │                          ──► summarize              $0.0008
    │
    └── x402 payment → Writer ────► write_paragraph       $0.0020
                                ──► compile_report        $0.0025

Payment flow per action:
  USYC (earning yield) → redeem USDC (1 block Arc) → x402 fires → Arc settles <1 sec → ERC-8004 updated

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Mandatory Requirements Met

Requirement	How
Per-action pricing ≤ $0.01	All actions $0.0005–$0.0025 via x402
50+ onchain transactions	One pipeline = 80–120 Arc transactions
Margin explanation	Ethereum gas $2–5/tx · Arc <$0.0001/tx · 20,000x difference. Sub-cent model impossible without Arc.

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Technology Stack

Required: Arc L1, USDC, Circle Nanopayments

Recommended: Circle Wallets, Circle Gateway, x402 Standard, USYC

Added: ERC-8004 Agent Trust, AIsa Paid Data Endpoints, Anthropic Claude, Flask + SocketIO, Vercel

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The USYC Yield Model

Every agent holds USYC as its working capital. USYC earns ~4.75% APY on US Treasury bills while the agent is idle. When a payment fires, USYC redeems to USDC in one block on Arc. At $1M in pool reserves, yield covers ~950,000 pipeline runs per year. The larger the network, the cheaper it becomes to run.

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Setup

git clone https://github.com/mimisco-git/AgentFloat
cd AgentFloat/backend
pip install -r requirements.txt
cp ../.env.example .env
# Add ANTHROPIC_API_KEY and CIRCLE_API_KEY to .env
python app.py
# Open http://localhost:8000

Demo Mode: Without API keys the app runs fully in demo mode with simulated transactions, realistic yield data, and all UI features active.

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Project Structure

AgentFloat/
├── backend/
│   ├── app.py                 Flask + Socket.IO + x402 routes
│   ├── config.py              Pricing + environment config
│   ├── agents/
│   │   ├── orchestrator.py    Master agent (Claude + ERC-8004)
│   │   └── specialists.py     Researcher / Analyst / Writer
│   └── payments/
│       ├── circle_client.py   Circle Wallets + nanopayments
│       ├── usyc_treasury.py   Real-time yield accrual engine
│       ├── x402.py            x402 HTTP payment middleware
│       ├── aisa_client.py     AIsa paid data API client
│       └── erc8004.py         ERC-8004 agent trust registry
├── frontend/
│   └── index.html             Animated dashboard
├── docs/
│   ├── agentfloat_logo.svg
│   ├── agentfloat_icon.svg
│   └── agentfloat_logo_dark.svg
├── vercel.json
└── .env.example

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Business Model

Stream	Model
Platform fee	0.1% on every nanopayment processed
Yield spread	10% of USYC yield retained
Enterprise SaaS	$499–$2,999/mo for custom agent pools
API Marketplace	Revenue share on x402-gated API calls

TAM $50B+ · SAM $8.4B · SOM $420M · CAGR 34%

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Team

BusyBrain Labs — Building at the intersection of AI orchestration and onchain finance.

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MIT License