Requirements
- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Tencent SkillHub ยท Developer Tools
MetaMask Smart Accounts KIt
Web3 development using MetaMask Smart Accounts Kit. Use when the user wants to build dApps with ERC-4337 smart accounts, send user operations, batch transactions, configure signers (EOA, passkey, multisig), implement gas abstraction with paymasters, create delegations, or request advanced permissions (ERC-7715). Supports Viem integration, multiple signer types (Dynamic, Web3Auth, Wagmi), gasless transactions, and the Delegation Framework.
skill openclawclawhub Free
Web3 development using MetaMask Smart Accounts Kit. Use when the user wants to build dApps with ERC-4337 smart accounts, send user operations, batch transactions, configure signers (EOA, passkey, multisig), implement gas abstraction with paymasters, create delegations, or request advanced permissions (ERC-7715). Supports Viem integration, multiple signer types (Dynamic, Web3Auth, Wagmi), gasless transactions, and the Delegation Framework.
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Install for OpenClaw
Quick setup
- Download the package from Yavira.
- Extract the archive and review SKILL.md first.
- Import or place the package into your OpenClaw setup.
Package facts
- Download mode
- Yavira redirect
- Package format
- ZIP package
- Source platform
- Tencent SkillHub
- What's included
- SKILL.md, references/advanced-permissions.md, references/delegations.md, references/smart-accounts.md
Validation
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- Review SKILL.md after the package is downloaded.
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Trust & source
Release facts
- Source
- Tencent SkillHub
- Verification
- Indexed source record
- Version
- 1.0.0
Provenance
- Publisher
- AyushBherwani1998
- Source page
- View original listing
- Canonical URL
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Documentation
Quick Reference
This skill file provides quick access to the MetaMask Smart Accounts Kit v0.3.0. For detailed information, refer to the specific reference files. ๐ Detailed References: Smart Accounts Reference - Account creation, implementations, signers Delegations Reference - Delegation lifecycle, scopes, caveats Advanced Permissions Reference - ERC-7715 permissions via MetaMask
Package Installation
npm install @metamask/smart-accounts-kit@0.3.0 For custom caveat enforcers: forge install metamask/delegation-framework@v1.3.0
1. Smart Accounts (ERC-4337)
Three implementation types: Hybrid (Implementation.Hybrid) - EOA + passkey signers Multisig (Implementation.MultiSig) - Multiple signers with threshold Stateless7702 (Implementation.Stateless7702) - EIP-7702 upgraded EOA
2. Delegation Framework (ERC-7710)
Grant permissions from delegator to delegate: Scopes - Initial authority (spending limits, function calls) Caveats - Restrictions enforced by smart contracts Types - Root, open root, redelegation, open redelegation Lifecycle - Create โ Sign โ Store โ Redeem
3. Advanced Permissions (ERC-7715)
Request permissions via MetaMask extension: Human-readable UI confirmations ERC-20 and native token permissions Requires MetaMask Flask 13.5.0+ User must have smart account
Create Smart Account
import { Implementation, toMetaMaskSmartAccount } from '@metamask/smart-accounts-kit' import { privateKeyToAccount } from 'viem/accounts' const account = privateKeyToAccount('0x...') const smartAccount = await toMetaMaskSmartAccount({ client: publicClient, implementation: Implementation.Hybrid, deployParams: [account.address, [], [], []], deploySalt: '0x', signer: { account }, })
Create Delegation
import { createDelegation } from '@metamask/smart-accounts-kit' import { parseUnits } from 'viem' const delegation = createDelegation({ to: delegateAddress, from: delegatorSmartAccount.address, environment: delegatorSmartAccount.environment, scope: { type: 'erc20TransferAmount', tokenAddress: '0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238', maxAmount: parseUnits('10', 6), }, caveats: [ { type: 'timestamp', afterThreshold: now, beforeThreshold: expiry }, { type: 'limitedCalls', limit: 5 }, ], })
Sign Delegation
const signature = await smartAccount.signDelegation({ delegation }) const signedDelegation = { ...delegation, signature }
Redeem Delegation
import { createExecution, ExecutionMode } from '@metamask/smart-accounts-kit' import { DelegationManager } from '@metamask/smart-accounts-kit/contracts' import { encodeFunctionData, erc20Abi } from 'viem' const callData = encodeFunctionData({ abi: erc20Abi, args: [recipient, parseUnits('1', 6)], functionName: 'transfer', }) const execution = createExecution({ target: tokenAddress, callData }) const redeemCalldata = DelegationManager.encode.redeemDelegations({ delegations: [[signedDelegation]], modes: [ExecutionMode.SingleDefault], executions: [[execution]], }) // Via smart account const userOpHash = await bundlerClient.sendUserOperation({ account: delegateSmartAccount, calls: [{ to: delegateSmartAccount.address, data: redeemCalldata }], }) // Via EOA const txHash = await delegateWalletClient.sendTransaction({ to: environment.DelegationManager, data: redeemCalldata, })
Request Advanced Permissions
import { erc7715ProviderActions } from '@metamask/smart-accounts-kit/actions' const walletClient = createWalletClient({ transport: custom(window.ethereum), }).extend(erc7715ProviderActions()) const grantedPermissions = await walletClient.requestExecutionPermissions([ { chainId: chain.id, expiry: now + 604800, signer: { type: 'account', data: { address: sessionAccount.address }, }, permission: { type: 'erc20-token-periodic', data: { tokenAddress, periodAmount: parseUnits('10', 6), periodDuration: 86400, justification: 'Transfer 10 USDC daily', }, }, isAdjustmentAllowed: true, }, ])
Redeem Advanced Permissions
// Smart account import { erc7710BundlerActions } from '@metamask/smart-accounts-kit/actions' const bundlerClient = createBundlerClient({ client: publicClient, transport: http(bundlerUrl), }).extend(erc7710BundlerActions()) const permissionsContext = grantedPermissions[0].context const delegationManager = grantedPermissions[0].signerMeta.delegationManager const userOpHash = await bundlerClient.sendUserOperationWithDelegation({ publicClient, account: sessionAccount, calls: [ { to: tokenAddress, data: calldata, permissionsContext, delegationManager, }, ], }) // EOA import { erc7710WalletActions } from '@metamask/smart-accounts-kit/actions' const walletClient = createWalletClient({ account: sessionAccount, chain, transport: http(), }).extend(erc7710WalletActions()) const txHash = await walletClient.sendTransactionWithDelegation({ to: tokenAddress, data: calldata, permissionsContext, delegationManager, })
Smart Accounts
toMetaMaskSmartAccount() - Create smart account aggregateSignature() - Combine multisig signatures signDelegation() - Sign delegation signUserOperation() - Sign user operation signMessage() / signTypedData() - Standard signing
Delegations
createDelegation() - Create delegation with delegate createOpenDelegation() - Create open delegation createCaveatBuilder() - Build caveats array createExecution() - Create execution struct redeemDelegations() - Encode redemption calldata signDelegation() - Sign with private key getSmartAccountsEnvironment() - Resolve environment deploySmartAccountsEnvironment() - Deploy contracts overrideDeployedEnvironment() - Override environment
Advanced Permissions
erc7715ProviderActions() - Wallet client extension for requesting requestExecutionPermissions() - Request permissions erc7710BundlerActions() - Bundler client extension sendUserOperationWithDelegation() - Redeem with smart account erc7710WalletActions() - Wallet client extension sendTransactionWithDelegation() - Redeem with EOA
ERC-20 Token Permissions
Permission TypeDescriptionerc20-token-periodicPer-period limit that resets at each perioderc20-token-streamingLinear streaming with amountPerSecond rate
Native Token Permissions
Permission TypeDescriptionnative-token-periodicPer-period ETH limit that resetsnative-token-streamingLinear ETH streaming with amountPerSecond rate
Spending Limits
ScopeDescriptionerc20TransferAmountFixed ERC-20 limiterc20PeriodTransferPer-period ERC-20 limiterc20StreamingLinear streaming ERC-20nativeTokenTransferAmountFixed native token limitnativeTokenPeriodTransferPer-period native token limitnativeTokenStreamingLinear streaming nativeerc721TransferERC-721 (NFT) transfer
Function Calls
ScopeDescriptionfunctionCallSpecific methods/addresses allowedownershipTransferOwnership transfers only
Target & Method
allowedTargets - Limit callable addresses allowedMethods - Limit callable methods allowedCalldata - Validate specific calldata exactCalldata / exactCalldataBatch - Exact calldata match exactExecution / exactExecutionBatch - Exact execution match
Value & Token
valueLte - Limit native token value erc20TransferAmount - Limit ERC-20 amount erc20BalanceChange - Validate ERC-20 balance change erc721Transfer / erc721BalanceChange - ERC-721 restrictions erc1155BalanceChange - ERC-1155 validation
Time & Frequency
timestamp - Valid time range (seconds) blockNumber - Valid block range limitedCalls - Limit redemption count erc20PeriodTransfer / erc20Streaming - Time-based ERC-20 nativeTokenPeriodTransfer / nativeTokenStreaming - Time-based native
Security & State
redeemer - Limit redemption to specific addresses id - One-time delegation with ID nonce - Bulk revocation via nonce deployed - Auto-deploy contract ownershipTransfer - Ownership transfer only nativeTokenPayment - Require payment nativeBalanceChange - Validate native balance multiTokenPeriod - Multi-token period limits
Execution Modes
ModeChainsProcessingOn FailureSingleDefaultOneSequentialRevertSingleTryOneSequentialContinueBatchDefaultMultipleInterleavedRevertBatchTryMultipleInterleavedContinue
Core
ContractAddressEntryPoint0x0000000071727De22E5E9d8BAf0edAc6f37da032SimpleFactory0x69Aa2f9fe1572F1B640E1bbc512f5c3a734fc77cDelegationManager0xdb9B1e94B5b69Df7e401DDbedE43491141047dB3MultiSigDeleGatorImpl0x56a9EdB16a0105eb5a4C54f4C062e2868844f3A7HybridDeleGatorImpl0x48dBe696A4D990079e039489bA2053B36E8FFEC4
Always Required
Always use caveats - Never create unrestricted delegations Deploy delegator first - Account must be deployed before redeeming Check smart account status - ERC-7715 requires user has smart account
Behavior
Caveats are cumulative - In delegation chains, restrictions stack Function call default - v0.3.0 defaults to NO native token (use valueLte) Batch mode caveat - No compatible caveat enforcers available
Requirements
ERC-7715 requirements - MetaMask Flask 13.5.0+, smart account Multisig threshold - Need at least threshold signers 7702 upgrade - Stateless7702 requires EIP-7702 upgrade first
Pattern 1: ERC-20 with Time Limit
const delegation = createDelegation({ to: delegate, from: delegator, environment, scope: { type: 'erc20TransferAmount', tokenAddress, maxAmount: parseUnits('100', 6), }, caveats: [ { type: 'timestamp', afterThreshold: now, beforeThreshold: expiry }, { type: 'limitedCalls', limit: 10 }, { type: 'redeemer', redeemers: [delegate] }, ], })
Pattern 2: Function Call with Value
const delegation = createDelegation({ to: delegate, from: delegator, environment, scope: { type: 'functionCall', targets: [contractAddress], selectors: ['transfer(address,uint256)'], valueLte: { maxValue: parseEther('0.1') }, }, caveats: [{ type: 'allowedMethods', selectors: ['transfer(address,uint256)'] }], })
Pattern 3: Periodic Native Token
const delegation = createDelegation({ to: delegate, from: delegator, environment, scope: { type: 'nativeTokenPeriodTransfer', periodAmount: parseEther('0.01'), periodDuration: 86400, startDate: now, }, })
Pattern 4: Redelegation Chain
// Alice โ Bob (100 USDC) const aliceToBob = createDelegation({ to: bob, from: alice, environment, scope: { type: 'erc20TransferAmount', tokenAddress, maxAmount: parseUnits('100', 6) }, }) // Bob โ Carol (50 USDC, subset of authority) const bobToCarol = createDelegation({ to: carol, from: bob, environment, scope: { type: 'erc20TransferAmount', tokenAddress, maxAmount: parseUnits('50', 6) }, parentDelegation: aliceToBob, caveats: [{ type: 'timestamp', afterThreshold: now, beforeThreshold: expiry }], })
Troubleshooting Quick Fixes
IssueSolutionAccount not deployedUse bundlerClient.sendUserOperation() to deployInvalid signatureVerify chain ID, delegation manager, signer permissionsCaveat enforcer revertedCheck caveat parameters match execution, verify orderRedemption failedCheck delegator balance, calldata validity, target contractsERC-7715 not workingUpgrade to Flask 13.5.0+, ensure user has smart accountPermission deniedHandle gracefully, provide manual fallbackThreshold not metAdd more signers for multisig7702 not workingConfirm EOA upgraded via EIP-7702 first
Resources
NPM: @metamask/smart-accounts-kit Contracts: metamask/delegation-framework@v1.3.0 ERC Standards: ERC-4337, ERC-7710, ERC-7715, ERC-7579 MetaMask Flask: https://metamask.io/flask
Version Info
Toolkit: 0.3.0 Delegation Framework: 1.3.0 Breaking Change: Function call scope defaults to no native token transfer For detailed documentation, see the reference files in the /references directory.
Category context
Code helpers, APIs, CLIs, browser automation, testing, and developer operations.
Source: Tencent SkillHub
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Package contents
Included in package
4 Docs
- SKILL.md
- references/advanced-permissions.md
- references/delegations.md
- references/smart-accounts.md