Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.1.0] - 2026-02-23

Initial release of SmartAgentKit.

Added

Solidity Modules (packages/contracts)

• SpendingLimitHook -- Per-token spending caps with rolling time windows
• AllowlistHook -- Allowlist/blocklist for target contracts and function selectors, with wildcard selector support
• EmergencyPauseHook -- Circuit breaker with guardian-controlled pause and optional auto-unpause timeout
• HookMultiPlexer integration -- Route multiple hooks through a single ERC-7579 hook slot
• AutomationExecutor -- Scheduled task execution for automated wallet operations
• Deploy script (script/Deploy.s.sol) for all modules
• Full Foundry test suite (118 tests)

TypeScript SDK (@smartagentkit/sdk)

• SmartAgentKitClient -- Create and manage policy-governed smart wallets
• Wallet creation with configurable policies and presets (defi-trader, treasury-agent, payment-agent, minimal)
• Transaction execution with policy enforcement
• Spending allowance queries
• Emergency pause/unpause
• Session key management via Smart Sessions (ERC-7579)
• Safe + ERC-7579 adapter integration via permissionless.js
• Vitest test suite (50 tests)

CLI (smartagentkit / sak)

• sak create -- Create wallets with presets
• sak status -- Check wallet balances and status
• sak fund -- Testnet faucet links
• sak policy list|add|remove -- Manage policies
• sak pause / sak unpause -- Emergency controls
• sak session create|list|revoke -- Session key management
• sak config show|set|delete|chains|init -- Configuration management
• Persistent config at ~/.smartagentkit/config.json
• Vitest test suite (23 tests)

LangChain Integration (@smartagentkit/langchain)

• createSmartAgentKitTools() -- Generate LangChain tools from SDK client
• Tools: check_wallet_balance, check_spending_allowance, send_transaction, send_batch_transaction, check_wallet_status
• Compatible with LangGraph ReAct agents
• Vitest test suite (16 tests)

Testing (@smartagentkit/testing)

• MockSmartAgentKitClient -- In-memory mock with policy enforcement
• All 4 presets supported (defi-trader, treasury-agent, payment-agent, minimal)
• Mock-specific methods: getLog(), setState(), getWalletState()
• Vitest test suite (15 tests)

Examples

• DeFi Trading Agent -- LangChain + LangGraph agent with autonomous trading within policy guardrails
• Treasury Management Agent -- Claude (Anthropic) with batch rebalancing
• Payment Distribution Bot -- Scheduled multi-recipient payouts with allowlist
• Monitoring & Alerts Agent -- Guardian pattern with auto-pause
• Arbitrage Agent -- Session keys with atomic buy+sell execution

Infrastructure

• Turborepo monorepo with pnpm workspaces
• GitHub Actions CI (build + test on PR)
• Foundry for Solidity development and testing
• Deployed on Base Sepolia