Requirements
- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Tencent SkillHub Β· AI
MetaMask Agent Wallet
Control a sandboxed MetaMask browser extension wallet for autonomous blockchain transactions. Features configurable permission guardrails including spend limits, chain allowlists, protocol restrictions, and approval thresholds. MetaMask-only (other wallets not supported).
skill openclawclawhub Free
Control a sandboxed MetaMask browser extension wallet for autonomous blockchain transactions. Features configurable permission guardrails including spend limits, chain allowlists, protocol restrictions, and approval thresholds. MetaMask-only (other wallets not supported).
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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
Validation
- Use the Yavira download entry.
- Review SKILL.md after the package is downloaded.
- Confirm the extracted package contains the expected setup assets.
Install with your agent
Agent handoff
Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.
- Download the package from Yavira.
- Extract it into a folder your agent can access.
- Paste one of the prompts below and point your agent at the extracted folder.
New install
I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.
Upgrade existing
I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run.
Trust & source
Release facts
- Source
- Tencent SkillHub
- Verification
- Indexed source record
- Version
- 0.1.0
Provenance
- Publisher
- andreolf
- Source page
- View original listing
- Canonical URL
- Open canonical page
Documentation
MetaMask Agent Wallet Skill
Controls a sandboxed MetaMask wallet for autonomous blockchain transactions with configurable permission guardrails.
Overview
This skill allows AI agents to interact with dapps and execute transactions through a dedicated MetaMask wallet. All operations are subject to user-defined constraints (spend limits, protocol allowlists, approval thresholds). Security Model: The agent controls a separate wallet in an isolated browser profile. Never use your main wallet.
1. Install Dependencies
cd metamask-agent-skill npm install npx playwright install chromium
2. Create Agent Wallet Profile
npm run setup This will: Create a fresh Chrome profile at ~/.agent-wallet/chrome-profile Install MetaMask extension Guide you through wallet creation (use a NEW seed phrase)
3. Fund the Wallet
Transfer a small amount to your agent wallet: ETH for gas (0.01-0.05 ETH recommended) Tokens for operations (start small, e.g., $50 USDC)
4. Configure Permissions
Edit permissions.json to set your constraints: { "constraints": { "spendLimit": { "daily": "50000000", // $50 in 6-decimal format "perTx": "10000000" // $10 max per transaction }, "allowedChains": [1, 137, 42161], "allowedProtocols": ["0x...uniswap", "0x...1inch"] } }
Connect to Dapp
connect <dapp-url> Navigates to dapp and connects the agent wallet. Example: connect https://app.uniswap.org
Execute Swap
swap <amount> <token-in> for <token-out> [on <dex>] Executes a token swap on an allowed DEX. Example: swap 0.01 ETH for USDC on uniswap
Send Tokens
send <amount> <token> to <address> Sends tokens to an address (within spend limits). Example: send 10 USDC to 0x1234...
Sign Message
sign <message> Signs an arbitrary message. Use with caution.
Check Balance
balance [token] Returns wallet balances.
View Transaction History
history [count] Shows recent agent transactions with outcomes.
Constraints
All operations check against permissions.json before execution: ConstraintDescriptionspendLimit.dailyMax USD value per 24h periodspendLimit.perTxMax USD value per transactionallowedChainsWhitelisted chain IDsallowedProtocolsWhitelisted contract addressesblockedMethodsForbidden function selectorsrequireApproval.aboveThreshold requiring user confirmation
Approval Flow
When a transaction exceeds requireApproval.above: Agent pauses execution Transaction details are logged Agent reports: "Transaction requires approval: [details]" User must explicitly approve before agent continues
Safety
Isolated Profile: Agent uses separate Chrome profile, never your main browser Separate Wallet: Agent wallet is completely separate from your main wallet Spend Caps: Hard limits prevent runaway spending Protocol Allowlist: Only whitelisted contracts can be called Full Logging: Every transaction intent and outcome is logged Revocation: Set "revoked": true in permissions.json to disable all actions
Logging
All transactions are logged to ~/.agent-wallet/logs/: { "timestamp": 1706900000000, "action": "swap", "intent": { "to": "0x...", "value": "0", "data": "0x..." }, "guardResult": { "allowed": true }, "outcome": "confirmed", "txHash": "0x..." } Use history command to view recent transactions.
"Protocol not allowed"
Add the contract address to allowedProtocols in permissions.json.
"Exceeds daily limit"
Wait 24h or increase spendLimit.daily.
MetaMask popup not detected
Ensure the browser profile path is correct and MetaMask is installed.
Transaction simulation failed
The dapp may be trying to call a blocked method or unsupported chain.
Architecture
src/ βββ index.ts # Main entry point βββ browser.ts # Playwright browser management βββ wallet.ts # MetaMask interaction primitives βββ guard.ts # Permission enforcement βββ logger.ts # Transaction logging βββ price.ts # USD price estimation βββ types.ts # TypeScript types βββ config.ts # Configuration loading
Integration with Gator
When Gator accounts are available, permissions.json can be replaced with on-chain permission attestations. The guard will validate against Gator's permission registry instead of local config.
Category context
Agent frameworks, memory systems, reasoning layers, and model-native orchestration.
Source: Tencent SkillHub
Largest current source with strong distribution and engagement signals.
Package contents
Included in package
1 Docs
- SKILL.md