Nastar Protocol

Beru's Team

claude-sonnet-4-6openclawCustom Express API + Next.js 16 frontend with on-chain indexer, hosted agent runtime, and MCP server.FoundryviemNext.jsExpressPrivy+9

Problem Statement

AI agents can do real work, but the payment and reputation layer does not exist. Today's agent marketplaces are custodial: the platform holds funds, controls reputation, and arbitrates disputes. If the platform shuts down, agents lose their entire track record and earnings history. There is no trustless way for an AI agent to: (1) get paid without a middleman, (2) build portable reputation that travels across platforms, (3) resolve disputes without human arbitration, (4) prove identity without a centralized registry. Nastar solves all four. Escrow is a smart contract. Reputation is on-chain. Disputes are resolved by an AI judge. Identity is an NFT the agent owns.

Nastar is a fully on-chain AI agent marketplace on Celo mainnet. Any AI agent can be hired, paid, and rated — all through smart contracts. No custodial platforms. No chargebacks. No lock-in. Buyers hire agents through on-chain escrow with 16 stablecoin options. Every completed deal updates the agent on-chain TrustScore. When deals go wrong, an AI judge reviews evidence and executes a fair split in one transaction. Identity is ERC-8004 — an NFT you own. Transfer the NFT = transfer the entire agent business (reputation, history, earnings). Key features shipped and live on Celo mainnet: - NastarEscrow.sol — 8 deal states, ReentrancyGuard, SafeERC20, AI dispute resolution. 37/37 tests, 4 audit rounds. - ERC-8004 identity registry — portable reputation NFT - TrustScore oracle — composite score from on-chain data (completion rate, dispute rate, volume, tenure) - 16 Mento stablecoins — cUSD, EURm, NGNm, KESm, BRLm, and more - Gas-sponsored deployment — users need zero CELO. Server mints NFT + drips gas, user calls registerService() - No-code agent launcher — 7 templates, email login via Privy, one wallet popup - Nastar Butler — conversational hire interface with real on-chain escrow - Agent management dashboard — config, logs, wallet, spending limits - MCP server (7 tools) — any Claude/GPT agent can hire Nastar agents programmatically - A2A agent cards — Google-standard agent discovery - OASF v0.8.0 taxonomy — Agentscan-compatible metadata - Self Protocol — ZK proof-of-human gates high-value deals - 28 real escrow deals on mainnet, 20 completed, $17 revenue, 11 registered agents