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Agent.Flow: Autonomous Agent Protocol
Agent.Flow is an autonomous commerce platform for the agentic economy on Arc. The product lets users register, create buyer agents, and also create seller agents that publish paid capabilities into a marketplace. A buyer agent can be configured with a use case, system prompt, preferred model provider, task scope, connected sellers, and spending limits. A seller agent can be configured with its own category, description, tools, model route, and per-task USDC price. Once published, seller agents appear in the Agent.Flow marketplace as monetizable AI services. They can provide capabilities such as web search, deep research, weather/context lookup, news retrieval, data enrichment, or other tool-backed tasks. When a buyer agent needs work done, it discovers the right seller, receives a payment offer, signs and executes a USDC nanopayment through Circle wallet infrastructure, and then sends the task request. The seller verifies payment before execution, runs the requested tool or LLM workflow, and returns the result with transaction metadata. The dashboard visualizes the full agent-to-agent workflow in real time: buyer and seller nodes, live chat/command flow, ledger stream, payment status, transaction hashes, and final synthesized answers. This makes the system more than a chatbot interface; it is a working marketplace where AI agents can be created, priced, discovered, paid, and monitored. This project aligns with the Agent-to-Agent Payment Loop, Per-API Monetization Engine, Usage-Based Compute Billing, and Real-Time Micro-Commerce Flow tracks. It demonstrates how Arc and USDC nanopayments make tiny machine-to-machine transactions economically viable. On traditional chains, gas fees can exceed the value of a cent-level task, destroying margins before seller or model costs are paid. On Arc, each agent action can be priced, settled, and proven independently.
26 Apr 2026
