web3-agent-kit 0.7.0

Open-source framework for building autonomous AI agents that interact with blockchain networks

🤖 Web3 Agent Kit

Build autonomous AI agents that interact with blockchains — in minutes, not months.

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🤔 Why Web3 Agent Kit?

Building AI agents that interact with blockchains is hard. You need to juggle RPC providers, wallet management, transaction signing, gas estimation, DeFi protocol ABIs, LLM integration, and safety rails — all before writing a single line of business logic.

Web3 Agent Kit handles all of that for you.

Pain Point	Without Web3 Agent Kit	With Web3 Agent Kit
Setup	Days of boilerplate	pip install → 5 lines of code
Multi-chain	Write adapters per chain	Built-in for 7+ chains
LLM Integration	Manual prompt engineering	Natural language goals, auto-parsed
Safety	Build your own guardrails	Spend limits, kill switch, operator confirmation
DeFi	Read docs, write ABIs	Drop-in Uniswap, Aave, bridges
Yield	Manual research, claim, compound	Auto-compound, cross-protocol APY comparison
DCA	Manual recurring buys	Automated DCA with intervals, limits, callbacks
Gas	Guess gas prices	Smart estimation, timing, batching
Security	Manual approval checks	Auto-scan & revoke risky approvals
Alerts	Manual whale tracking	Auto-monitor wallets, instant alerts
Multi-wallet	Manage keys manually	Batch ops, consolidated portfolio, wallet groups
Extensibility	Hard-coded logic	Plugin system — community can extend anything
Error Handling	Manual retry logic	Auto-fallback across LLM providers & RPCs

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🏗️ Architecture

┌─────────────────────────────────────────────────────────────────────┐
│                        User / Application                          │
│                    "Swap 0.1 ETH to USDC on Base"                  │
└──────────────────────────────┬──────────────────────────────────────┘
                               │
                               ▼
┌─────────────────────────────────────────────────────────────────────┐
│                          Agent Framework                            │
│  ┌───────────┐  ┌──────────────┐  ┌─────────────┐  ┌────────────┐ │
│  │ Goal      │→ │ LLM Planner  │→ │ Tool        │→ │ Transaction│ │
│  │ Parser    │  │ (cascade)    │  │ Router      │  │ Executor   │ │
│  └───────────┘  └──────────────┘  └─────────────┘  └─────┬──────┘ │
└───────────────────────────────────────────────────────────┼────────┘
                                                            │
                               ┌────────────────────────────┼────────┐
                               │         Safety Layer       │        │
                               │  ┌─────────────────────────┼──────┐ │
                               │  │ Spend Governor          │      │ │
                               │  │ • Per-tx limits         │      │ │
                               │  │ • Daily caps            │      │ │
                               │  │ • Kill switch           │      │ │
                               │  │ • Operator confirmation │      │ │
                               │  └─────────────────────────┘      │ │
                               └────────────────────────────────────┘
                                                            │
                               ┌────────────────────────────┼────────┐
                               │      Tool Ecosystem        │        │
                               │  ┌─────────┐ ┌──────────┐ │        │
                               │  │ Uniswap │ │ Bridge   │ │        │
                               │  │ V2/V3   │ │ Agg.     │ │        │
                               │  ├─────────┤ ├──────────┤ │        │
                               │  │ Sniper  │ │ Portfolio│ │        │
                               │  │ Module  │ │ Tracker  │ │        │
                               │  └─────────┘ └──────────┘ │        │
                               └────────────────────────────┼────────┘
                                                            │
                               ┌────────────────────────────┼────────┐
                               │    Chain Abstraction Layer  │        │
                               │  ┌──────┐ ┌──────┐ ┌────┐ │        │
                               │  │ ETH  │ │ BASE │ │ARB │ │        │
                               │  ├──────┤ ├──────┤ ├────┤ │        │
                               │  │ OP   │ │ MATIC│ │AVAX│ │        │
                               │  ├──────┤ ├──────┤ ├────┤ │        │
                               │  │ BSC  │ │      │ │    │ │        │
                               │  └──────┘ └──────┘ └────┘ │        │
                               └────────────────────────────────────┘

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📊 Comparison vs Alternatives

Feature	Web3 Agent Kit	LangChain + Web3	Custom Bot	Goat SDK
Setup Time	Minutes	Hours	Days	Hours
Multi-chain	7+ chains	Manual	Manual	Limited
Built-in LLM	6 providers	DIY	❌	❌
DeFi Tools	Uniswap, Aave, bridges	❌	❌	Limited
Token Sniper	✅	❌	❌	❌
DCA Bot	✅	❌	❌	❌
Gas Optimizer	✅	❌	❌	❌
Approval Manager	✅	❌	❌	❌
Wallet Watcher	✅	❌	❌	❌
Yield Optimizer	✅	❌	❌	❌
Multi-Wallet	✅	❌	❌	❌
Plugin System	✅	❌	❌	❌
Safety Rails	✅ Governor	❌	❌	❌
Natural Language	✅	Partial	❌	❌
Python Native	✅	✅	Varies	❌ (TS)
Type Hints	✅	Partial	Varies	N/A
Active Maintenance	✅	✅	Depends	Limited

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🎯 Quick Start

1. Install

pip install web3-agent-kit

2. Set Environment Variables

# Required: Wallet private key
export PRIVATE_KEY="0x..."

# Required: At least one LLM provider key
export OPENAI_API_KEY="sk-..."        # OpenAI
export ANTHROPIC_API_KEY="sk-ant-..."  # Anthropic (best reasoning)
export GROQ_API_KEY="gsk_..."          # Groq (fastest)
export DEEPSEEK_API_KEY="sk-..."       # DeepSeek (cheapest)

# Optional: Custom RPC endpoints (public defaults are provided)
export ETH_RPC="https://..."
export BASE_RPC="https://..."

3. Write Your First Agent

from web3_agent_kit import Agent, Wallet, Chain, ChainManager
from web3_agent_kit.defi import Uniswap

# Setup
chain_manager = ChainManager(chains=[Chain.BASE])
wallet = Wallet.from_env("PRIVATE_KEY", chain_manager=chain_manager)
uniswap = Uniswap(chain_manager=chain_manager)

# Create agent with LLM reasoning
agent = Agent(
    wallet=wallet,
    chains=[Chain.BASE],
    tools=[uniswap],
)

# Natural language swap — that's it!
result = agent.run("Swap 0.1 ETH to USDC on Base")
print(result)

4. Run It

python my_agent.py

💡 Tip: Start with a small amount on a testnet or use dry_run=True mode to validate behavior before going live.

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✨ Features

🤖 Core

• 🔗 Multi-chain support — Ethereum, Base, Arbitrum, Optimism, Polygon, Avalanche, BSC
• 🧠 LLM-powered reasoning — Multi-provider cascade (OpenAI, Anthropic, Groq, DeepSeek, OpenRouter, Kimi)
• 🎯 Natural language goals — Tell the agent what to do in plain English
• 🔐 Governed signing — Safety caps, kill-switch, operator confirmation

💰 DeFi

• 💱 Uniswap V2 swaps — Actual token swaps with quotes, approvals, slippage protection
• 🌉 Cross-chain bridges — Li.Fi + Socket aggregators for best routes
• 📊 Portfolio tracking — Real-time balances, P&L across all chains

🔫 Sniper

• 🎯 Token sniper — Monitor new liquidity pools, auto-buy safe tokens
• 🛡️ Risk assessment — Honeypot detection, liquidity checks, contract analysis
• ⚡ Live monitoring — Background thread with callback alerts

📈 DCA Bot

• 🔄 Recurring buys — Dollar-cost average into any token automatically
• ⏰ Flexible intervals — Hourly, daily, weekly, biweekly, monthly
• 🛑 Spending limits — Max buys, max total spend, auto-stop
• 📊 Cost average analysis — Track avg price, min/max, P&L
• 💾 Persistent orders — Survives restarts, stored on disk
• 🔔 Callbacks — Hook into execution events for notifications

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🌐 REST API

Full HTTP API for all modules — use from any language (JavaScript, curl, etc):

# Start the API server
python -m src.api

# Or with API key
WEB3_API_KEY=your-secret python -m src.api

Endpoints:

Endpoint	Method	Description
/wallet/info	GET	Wallet info + balance
/swap/quote	GET	Get swap quote
/swap/execute	POST	Execute token swap
/portfolio/	GET	Portfolio dashboard
/gas/estimate	GET	Gas estimates (EIP-1559)
/gas/recommendation	GET	Gas timing recommendation
/watcher/list	GET	List watched wallets
/watcher/add	POST	Add wallet to watch
/approval/scan	GET	Scan token approvals
/approval/risk	GET	Risk report
/dca/orders	GET/POST	List/create DCA orders
/yield/opportunities	GET	Scan yield opportunities
/yield/best	GET	Find best yield
/bridge/quote	GET	Get bridge quote
/bridge/execute	POST	Execute bridge
/health	GET	Health check
/docs	GET	Swagger UI
/redoc	GET	ReDoc documentation

Example:

# Get gas estimate
curl http://localhost:8000/gas/estimate?chain=ethereum

# Get swap quote
curl "http://localhost:8000/swap/quote?token_in=ETH&token_out=USDC&amount_in=1.0"

# Scan approvals
curl http://localhost:8000/approval/scan?chain=ethereum

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🎯 Showcase

Telegram Bot

A full-featured Telegram bot built with web3-agent-kit:

cd showcase/telegram-bot
pip install -r requirements.txt
python bot.py

Features: balance check, token swap, portfolio tracking, token sniper, cross-chain bridge.

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📦 Examples

Example	Description
examples/llm_swap_agent.py	LLM-powered natural language swapping
examples/direct_swap.py	Programmatic Uniswap swap without LLM
examples/token_sniper.py	Monitor new pairs, auto-buy safe tokens
examples/portfolio_dashboard.py	Real-time portfolio across chains
examples/bridge_agent.py	Cross-chain transfers via Li.Fi/Socket
examples/swap_agent.py	Autonomous token swapping
examples/yield_optimizer.py	Cross-protocol yield farming + auto-compound
examples/multi_wallet.py	Multi-wallet management + batch ops
examples/plugin_system.py	Plugin system usage + custom plugins
examples/dca_bot.py	Dollar-cost averaging bot with intervals & limits
examples/api_server.py	REST API server with Swagger docs
examples/airdrop_farmer.py	Multi-chain airdrop farming
examples/sniper_bot.py	Token launch sniper
examples/portfolio_tracker.py	Portfolio tracking & reporting
examples/llm_swap_agent.py	LLM-powered natural language swapping

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🧠 LLM Integration

Multi-provider cascade with automatic fallback:

from web3_agent_kit.llm import LLM

# Auto-detect from environment variables
llm = LLM()

# Cascade order: Anthropic → Kimi → OpenRouter → DeepSeek → Groq → OpenAI

# Simple chat
response = llm.chat("What is the best yield on Base?")

# JSON response
data = llm.chat_json("Analyze this swap: 0.1 ETH to USDC")

Supported providers:

• Anthropic (Claude) — Best reasoning
• OpenAI (GPT-4) — General purpose
• Groq (Llama) — Fastest inference
• DeepSeek — Cheapest
• OpenRouter — Multi-model fallback
• Kimi — Long context

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🔫 Token Sniper

Monitor new liquidity pools and auto-buy safe tokens:

from web3_agent_kit import TokenSniper, SniperConfig, RiskLevel

config = SniperConfig(
    max_buy=0.005,          # max 0.005 ETH per snipe
    auto_buy=True,          # auto-buy safe tokens
    honeypot_check=True,    # check if token is honeypot
    min_liquidity=0.5,      # min 0.5 ETH liquidity
)

sniper = TokenSniper(chain_manager, wallet, config, uniswap=uniswap)

# Scan recent blocks
pairs = sniper.scan_recent_blocks(num_blocks=100, chain=Chain.BASE)

# Or start live monitoring
sniper.start(chain=Chain.BASE, poll_interval=12)

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📊 Portfolio Dashboard

Track balances and P&L across chains:

from web3_agent_kit import PortfolioTracker

tracker = PortfolioTracker(chain_manager, wallet)
summary = tracker.get_summary()

print(summary)
# 📊 Portfolio: 0x1234...
# 💰 Total Value: $12,345.67
#
#   🔗 ETHEREUM: $8,000.00
#      Native: 1.5000 ETH ($5,250.00)
#      USDC: 2750.0000 ($2,750.00)
#
#   🔗 BASE: $4,345.67
#      Native: 1.2000 ETH ($4,200.00)
#      USDC: 145.6700 ($145.67)

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🌉 Bridge Agent

Cross-chain transfers via Li.Fi and Socket:

from web3_agent_kit import BridgeAgent

bridge = BridgeAgent(chain_manager, wallet)

# Get best routes
routes = bridge.get_routes("ETH", 0.1, Chain.ETHEREUM, Chain.BASE)

for route in routes:
    print(f"{route.bridge_name}: {route.amount_out:.6f} ETH (fee: ${route.fee_usd:.2f})")

# Execute transfer
result = bridge.transfer("ETH", 0.1, Chain.ETHEREUM, Chain.BASE)
print(f"TX: {result.tx_hash}")

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🌾 Yield Optimizer

Auto-compound and compare yield across DeFi protocols:

from web3_agent_kit import YieldOptimizer, YieldConfig, RiskLevel

optimizer = YieldOptimizer(wallet, Chain.ETHEREUM, YieldConfig(
    min_apy=2.0,
    max_risk=RiskLevel.MEDIUM,
    auto_compound_threshold=25,
))

# Scan & compare
opportunities = optimizer.scan_opportunities("USDC")
best = optimizer.find_best("USDC", amount=10000)

# Deposit & auto-compound
optimizer.deposit(best, amount=10000)
optimizer.auto_compound_all()

Protocols: Aave V3, Compound V3, Morpho, Lido, Rocket Pool, Fluid Data source: DeFiLlama API (real-time APY/TVL)

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👛 Multi-Wallet Manager

Manage multiple wallets with batch operations:

from web3_agent_kit import MultiWalletManager, Chain

manager = MultiWalletManager(chain=Chain.ETHEREUM)

# Create wallet groups
manager.create_wallet("trading-01", group="trading")
manager.create_wallet("airdrop-01", group="airdrop")

# Batch send from all airdrop wallets
results = manager.batch_send(
    recipients=["0xAddr1", "0xAddr2"],
    amount=0.001,
    group_filter="airdrop",
)

# Consolidate funds back
manager.consolidate_to("main", group_filter="airdrop")

Features: Wallet groups, batch send (native + ERC20), consolidated portfolio, fund consolidation.

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🔌 Plugin System

Extend with community plugins:

from web3_agent_kit.plugins import PluginManager

manager = PluginManager()
manager.load_dir("./my_plugins/")
manager.setup_all(agent)

# Plugins can hook into agent lifecycle
# manager.before_transaction(tx)
# manager.on_block(block_number)

Create a plugin:

from web3_agent_kit.plugins import Plugin, PluginMeta

class MyPlugin(Plugin):
    @property
    def meta(self):
        return PluginMeta(name="my-plugin", version="1.0.0",
                         description="Does cool things", author="You")

    def setup(self, agent):
        self.agent = agent

    def execute(self, action, **kwargs):
        return {"result": "done"}

Discovery: Local directories, Python entry points, or manual registration.

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📁 Project Structure

web3-agent-kit/
├── src/
│   ├── __init__.py         # Package exports
│   ├── agent.py            # Agent framework + LLM reasoning
│   ├── llm.py              # Multi-provider LLM client
│   ├── wallet.py           # Wallet management + signing
│   ├── chain.py            # Multi-chain RPC + config
│   ├── sniper.py           # Token sniper + monitoring
│   ├── portfolio.py        # Portfolio tracking + P&L
│   ├── bridge.py           # Cross-chain bridge agent
│   ├── yield_optimizer.py  # Yield optimizer + auto-compound
│   ├── multi_wallet.py     # Multi-wallet manager + batch ops
│   ├── plugins/
│   │   ├── __init__.py     # Plugin system (base, registry, manager)
│   │   └── examples/
│   │       └── gas_tracker.py
│   ├── api/
│   │   ├── __init__.py     # FastAPI REST API server
│   │   ├── models.py       # Pydantic request/response models
│   │   └── routes/         # API route handlers
│   └── defi/
│       └── __init__.py     # Uniswap, Aerodrome, Aave, Curve
├── examples/               # 15 ready-to-use examples
├── tests/                  # Test suite
└── docs/                   # Documentation

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⚡ Benchmarks

📝 Benchmarks will be published after v1.0 release. Numbers below are preliminary estimates on standard hardware.

Metric	Value	Notes
Swap execution (incl. LLM)	~3–8s	Depends on LLM provider
Swap execution (no LLM)	~1–3s	Direct RPC interaction
Portfolio fetch (7 chains)	~2–4s	Parallel RPC calls
Sniper block scan (100 blocks)	~5–10s	Per chain
Bridge route discovery	~1–2s	Aggregator API latency

Benchmarks run on: Python 3.11, 4-core CPU, SSD, public RPC endpoints.

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🔐 Safety

Web3 Agent Kit includes built-in safety features:

from web3_agent_kit.safety import SpendGovernor, SpendLimits

governor = SpendGovernor(
    limits=SpendLimits(
        max_per_tx=0.1,      # max 0.1 ETH per transaction
        daily_limit=1.0,     # max 1 ETH per day
    ),
    require_confirm=True,    # operator must confirm
)

# Kill switch for emergencies
governor.kill()   # blocks all transactions
governor.unkill() # resume

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🛠️ Supported Chains

Chain	Status	Uniswap	Bridge
Ethereum	✅	✅	✅
Base	✅	✅	✅
Arbitrum	✅	✅	✅
Optimism	✅	✅	✅
Polygon	✅	✅	✅
Avalanche	✅	—	✅
BSC	✅	—	✅
Solana	🔜	—	—

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🤝 Contributing

We welcome contributions! See CONTRIBUTING.md for guidelines.

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📄 License

MIT License — see LICENSE for details.

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🙏 Acknowledgments

Built with:

• web3.py — Ethereum interactions
• OpenAI / Anthropic / Groq — LLM providers
• Uniswap — DEX protocol
• Li.Fi / Socket — Bridge aggregators

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Built by Maulana · Twitter