DeFi Investor
Scanning DeFi Yields Across 4 Protocols — The Agent Found 3x What I Was Earning
Key Takeaway
My AI agent scans stablecoin yields across Aave, Compound, Curve, Yearn, and Morpho weekly — it found 8.2% APY on USDC versus the 2.7% I was earning, same asset, 3x the return, risk-adjusted.
The Problem
I had $400K in stablecoins sitting on Aave. Earning 2.7% APY on USDC. I thought that was fine.
It wasn't fine. It was lazy.
DeFi yields shift constantly. New protocols launch. Existing protocols run incentive campaigns. Utilization rates change. A pool that was 3% last week might be 9% this week — and you'd never know unless you manually checked every protocol, every pool, every day.
I don't have time for that. Nobody does. And the cost of not checking isn't dramatic — it's slow. You just quietly earn 2.7% while the same asset earns 8% somewhere else. Over a year on $400K, that's the difference between $10,800 and $32,800. Twenty-two thousand dollars left on the table because I didn't look.
The real problem: DeFi yield information is fragmented across dozens of protocol dashboards, and comparing risk-adjusted returns requires context that no single dashboard provides.
The Solution
I built a DeFi Yield Scanner agent on Mr.Chief that runs weekly. It pulls yield data from DefiLlama's API (which aggregates all major protocols), filters for stablecoin pools I care about, and ranks them using a composite risk score — not just raw APY.
Raw APY is a trap. A 40% yield on a protocol with $2M TVL and no audit is not an opportunity. It's a rug waiting to happen. My agent weighs APY against TVL, protocol age, audit history, and smart contract risk.
The weekly report goes to Hari, my investment advisor agent, who evaluates whether a rotation makes sense given gas costs, lock-up periods, and my existing positions.
The Process
yamlShow code
# DeFi Yield Scanner — Weekly
name: defi-yield-scanner
schedule: "0 9 * * 1" # Monday 9am UTC
channel: telegram
task: |
Scan stablecoin yields across major DeFi protocols.
ASSETS: USDC, USDT, DAI, FRAX
CHAINS: Ethereum, Arbitrum, Base, Optimism
MIN TVL: $10M (filter out small/risky pools)
For each opportunity:
- Protocol name, chain, pool composition
- Base APY + reward APY (separate them)
- TVL, 7d TVL trend
- Protocol age, audit status
- Risk score (1-10)
Rank by risk-adjusted yield: APY × (TVL_score × age_score × audit_score)
Output: Top 10 opportunities + current positions comparison
Flag: any current position where better risk-adjusted yield exists
Send to Hari for rotation analysis.
The risk-adjusted scoring:
pythonShow code
def risk_adjusted_score(pool):
"""Composite score that penalizes high APY on shaky protocols."""
# TVL score: log scale, maxes at $1B+
tvl_score = min(math.log10(pool["tvl"]) / 9, 1.0) # $1B = 1.0
# Age score: protocols < 6 months get penalized
age_days = (now - pool["launch_date"]).days
age_score = min(age_days / 365, 1.0) # 1 year+ = 1.0
# Audit score
audit_scores = {
"multiple_audits": 1.0,
"single_audit": 0.8,
"in_progress": 0.4,
"none": 0.1
}
audit_score = audit_scores[pool["audit_status"]]
# Base APY only (ignore temporary reward emissions)
base_apy = pool["base_apy"]
# Composite: reward sustainable yield on safe protocols
return base_apy * tvl_score * age_score * audit_score
The weekly report that changed everything:
View details
📊 DEFI YIELD REPORT — Week of Mar 9, 2026
YOUR CURRENT POSITIONS:
USDC on Aave v3 (Ethereum) — 2.7% APY — TVL $4.2B — Score: 2.43
TOP OPPORTUNITIES:
1. 🟢 USDC on Morpho Blue (Ethereum)
APY: 8.2% (base) | TVL: $890M | Age: 14mo | Audits: 3
Risk Score: 7.14 ← 2.9x YOUR CURRENT YIELD
2. 🟢 USDC on Aave v3 (Arbitrum)
APY: 5.1% (base) | TVL: $620M | Age: 18mo | Audits: 4
Risk Score: 4.59
3. 🟡 USDC on Euler v2 (Ethereum)
APY: 6.8% (base) | TVL: $340M | Age: 8mo | Audits: 2
Risk Score: 3.94
4. 🟢 DAI on Spark (Ethereum)
APY: 5.5% (base) | TVL: $1.8B | Age: 20mo | Audits: 3
Risk Score: 5.23
⚠️ ROTATION ALERT:
Moving USDC from Aave v3 → Morpho Blue would increase
yield from 2.7% → 8.2% (+5.5% delta)
On $400K: +$22,000/year additional yield
Gas cost for migration: ~$45
Payback period: 1.8 hours
The Results
| Metric | Before | After |
|---|---|---|
| Stablecoin APY | 2.7% | 8.2% |
| Annual yield on $400K | $10,800 | $32,800 |
| Additional annual income | — | +$22,000 |
| Time spent checking yields | 0 (I didn't bother) | 2 min/week reading report |
| Protocols monitored | 1 | 12+ |
| Pools tracked | 1 | 80+ |
| Rotation recommendations (6 months) | 0 | 4 |
| Average yield improvement per rotation | — | +3.8% APY |
Try It Yourself
- Set up the DefiLlama API integration (free, no key required)
- Define your risk parameters: minimum TVL, minimum protocol age, audit requirements
- List your current positions so the agent can flag improvements
- Start with the weekly cadence — DeFi yields don't change so fast that daily is necessary
- Always separate base APY from reward APY — rewards end, base yield doesn't
The biggest DeFi alpha isn't finding the next 1000x farm. It's earning 3x more on the same boring stablecoin you already hold.
I was leaving $22K/year on the table. The agent found it in its first scan.
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