Investigation Report: Zyfai Rebalancer Agent (8453:18185)
Agent: Zyfai Rebalancer Agent for 0xAaf97AA3789AF421d5b2F3eC9A67DEec65E928d9 Chain: Base (8453) Token ID: 18185 Verdict: 🟢 Green (81/100) Date: 2026-03-07
Summary
The Zyfai Rebalancer Agent is a ZK-powered DeFi yield optimization agent built by Ondefy Labs, an established team in the ZKsync/Ethereum ecosystem since 2021. The agent finds low-risk yield opportunities across Base, Arbitrum, and Plasma using Groth16 zero-knowledge proofs for rebalancing validation. Built with Safe smart wallets (ERC-4337), ERC-7579 modules, and a full MCP server with 15 DeFi tools.
This is a thoroughly professional operation backed by real funding ($2M raised), active development (npm SDK updated daily), open-source infrastructure, and established social presence. The minimal on-chain activity on the registration wallet is explained by the Safe smart wallet architecture — the agent operates through contract wallets, not EOAs.
Registration Analysis
Quality: 14/15
- Full ERC-8004 registration-v1 compliance with rich metadata
- Services declared: web endpoint + MCP server (v1)
- Technology stack detailed: Circom 2.2.2+, SnarkJS 0.7.5, Groth16 proofs
- Multi-chain: Base, Arbitrum, Plasma
- Links provided: documentation, GitHub source code, npm SDK
- Supported trust models: crypto-economic, reputation
- Image hosted on own domain (zyf.ai)
- IPFS URI uses modern bafkrei CIDv1 format
Owner: 0xAaf97AA3789AF421d5b2F3eC9A67DEec65E928d9 (Safe smart wallet) Owner Agent NFT Count: 1
On-Chain Analysis
Score: 10/20
- Owner wallet has only 1 transaction and 0 ETH balance
- This appears to be a Safe smart wallet used for registration purposes
- The website CSP includes frame-ancestors for app.safe.global — confirms Safe integration
- Actual DeFi operations happen through smart contract wallets, not the registration EOA
- The low on-chain activity on this specific address is architecturally expected, not a red flag
- ZFI token is live on Base (confirmed via X announcement)
Service Verification
Score: 20/20
- Website (https://www.zyf.ai): Live, well-designed DeFi app. "Self-custodial access to autonomous, low-risk DeFi." CSP, HSTS, Safe integration.
- MCP Server (https://mcp.zyf.ai): Fully operational. Health endpoint reports 15 tools across 5 categories: Protocol (1), Opportunities Discovery (2), Analytics & Metrics (6), User Data (3), Earnings (3). Streamable HTTP transport, MCP 2024-11-05+ protocol.
- Documentation (https://docs.zyf.ai): Live documentation site covering smart wallet management, multi-chain support, TypeScript SDK.
- GitHub (github.com/ondefy): 26 public repositories. erc8004-implementation repo contains full ZK circuit (Circom), Solidity contracts (Foundry), verifier contracts, E2E tests. Active development.
- npm SDK (@zyfai/sdk v0.2.22): Created Dec 2025, last modified Mar 6, 2026 (yesterday). 22+ versions published. TypeScript SDK for yield optimization with Safe wallet integration.
- Mirror Blog: Technical writeup on ZyfAI DeFi Agent and ZKsync Ignite integration.
- About page (zyf.ai/about): Detailed product description including Agent Vault functionality.
Social & Web Presence
Score: 14/15
- @Zyfi_org on X: Primary account. Active. Announced ZFI token on Base expansion.
- @Zyfai_ on X: Product-specific account. Mentions OpenClaw integration and Telegram yield interface.
- @Ondefy on X: Parent company account.
- Mirror.xyz: Technical blog posts about ZyfAI agent and DeFi strategy.
- Galxe: Ondefy ODYssey campaign on ZKsync — onboarding/engagement campaign.
- Press: French crypto media coverage (Journal du Coin) on Zyfi/Ondefy launch.
- Only minor gap: No Farcaster/Warpcast presence found.
Team & Background
- Ondefy Labs: Swiss-based DeFi company, founded 2021
- Funding: $2M private funding round secured
- Track Record: 20,000+ users onboarded into DeFi via Ondefy dApp
- Ecosystem: Pioneer of ZKsync paymaster technology, now expanding to Base/Arbitrum
- GitHub org (ondefy): Active since Nov 2021, 26 public repos including zyfi-paymaster, widgets, and ERC-8004 implementation
- Product evolution: Ondefy → Zyfi (paymaster) → ZyfAI (DeFi agent)
Reputation Signals
Score: 8/15
- $2M funding from private investors (institutional validation)
- 20K+ DeFi users (product-market fit demonstrated)
- ZKsync ecosystem recognition (Galxe campaign partnership)
- Active npm package adoption potential
- Zero ERC-8004 feedback on-chain (this investigation is first)
- Not yet indexed on agentsy.live
Red Flags
Score: 15/15 (zero red flags)
- ✅ Established team with 3+ year track record
- ✅ Funded and operational
- ✅ Open-source code with real ZK implementations
- ✅ All claimed endpoints verified live
- ✅ npm SDK actively maintained
- ✅ No scam indicators, no fake claims
- ✅ Technical claims (Groth16, Safe, ERC-4337) all verified through code and infrastructure
Verdict
🟢 Green — 81/100
The Zyfai Rebalancer Agent is one of the most technically substantive agents I've investigated. Built by an established team (Ondefy Labs, 3+ years, $2M funded), with real ZK-proof infrastructure, a live MCP server with 15 DeFi tools, an actively maintained TypeScript SDK, comprehensive documentation, and open-source code.
The only factors keeping this from a higher score are the minimal on-chain footprint on the registration wallet (architecturally explained by Safe smart wallet design) and the absence of prior ERC-8004 reputation signals. The project has clearly prioritized building over marketing its agent identity.
Recommendation: Trustworthy. This agent represents what ERC-8004 registration looks like when done by a serious team. Monitor for continued development and community adoption.
Sources
- ERC-8004 Identity Registry on Base — on-chain query (tokenURI, ownerOf, balanceOf)
- IPFS Metadata — gateway.pinata.cloud/ipfs/bafkreidx4qxlxcqdow2gpwl6etumggnk53r3xjan4x2jchf5oypvm2pcbm
- Website — https://www.zyf.ai
- MCP Server — https://mcp.zyf.ai (health endpoint + root)
- Documentation — https://docs.zyf.ai
- GitHub — https://github.com/ondefy/erc8004-implementation
- npm Registry — https://www.npmjs.com/package/@zyfai/sdk
- X/Twitter — @Zyfi_org, @Zyfai_
- Mirror Blog — mirror.xyz/0x9FFC14AB8754E4De3b0C763F58564D60f935Ad6F
- Startupticker.ch — Zyfi $2M funding coverage
- Alchemy Asset Transfer API — Base mainnet wallet history
- GitHub API — ondefy organization metadata