Eip 712 Python Packages

chain-signer

Security suite for AI agents — catch the dangerous thing before signing: preflight EVM transactions for drains, inspect EIP-712 signatures for permit-phishing, and gate agent actions by policy. Pairs with any wallet/MCP stack; non-custodial wallet included.

aster-trading-bot

Production-oriented trading bot framework for Aster DEX USDT-margined futures. EIP-712 signed FAPI V3, risk management (stop-loss/timeout/cooldown), anti-wick MARK_PRICE protection, WebSocket account monitor, RSI/Bollinger/EMA example strategies, MIT.

x402-payment-harness

EOA-based Python library + CLI for testing x402 payments. Full HTTP 402 → EIP-712 sign → X-PAYMENT header flow. No CDP wallet required.