> ## Documentation Index > Fetch the complete documentation index at: https://0g.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Features > Comprehensive overview of MCP 0G Server features and capabilities # Features The MCP 0G Server provides comprehensive blockchain functionality through four main feature categories. ## Blockchain Queries ### Network Information * **Chain Information**: Get complete 0G Galileo testnet details * **Block Data**: Query blocks by number or hash * **Transaction Details**: Retrieve transaction information and receipts * **Gas Prices**: Get current gas prices and estimate transaction costs * **Network Status**: Monitor network health and performance ### Account Management * **Balance Queries**: Check OG token balances for any address * **Transaction Count**: Get nonce values for addresses * **Contract Detection**: Identify if an address is a smart contract * **Account History**: Track transaction history for addresses ### Smart Contract Interaction * **Read-Only Calls**: Execute view functions without gas costs * **Event Logs**: Query contract events and logs * **Bytecode Access**: Retrieve contract bytecode * **ABI Interaction**: Call contracts with proper type handling ### Testnet Resources * **Faucet Information**: Access testnet token faucet details * **Explorer Integration**: Links to block explorer for verification * **Development Tools**: Utilities for testnet development ## Wallet Management ### Wallet Creation * **Secure Generation**: Create new wallets with cryptographic security * **HD Wallet Support**: BIP44 hierarchical deterministic wallets * **Multiple Addresses**: Derive multiple addresses from single seed * **Encrypted Storage**: AES-256-CBC encryption for wallet data ### Wallet Import * **Private Key Import**: Import existing wallets from private keys * **Seed Phrase Import**: Restore wallets from mnemonic phrases * **Format Validation**: Comprehensive input validation * **Secure Processing**: Safe handling of sensitive data ### Wallet Operations * **List Management**: View and manage multiple stored wallets * **Default Wallet**: Set primary wallet for transactions * **Export Functions**: Export public wallet information * **Deletion**: Secure wallet removal with confirmation ### Security Features * **Password Protection**: Encrypted wallet storage * **Access Control**: Permission-based wallet operations * **Audit Trail**: Track wallet usage and operations * **Backup Support**: Safe wallet backup procedures ## Transaction Management ### Transaction Preview * **Gas Estimation**: Accurate gas cost calculations * **Fee Calculation**: Total transaction cost preview * **Validation**: Pre-flight transaction validation * **Risk Assessment**: Security and safety checks ### Approval Workflows * **Multi-Step Approval**: Secure transaction approval process * **Security Policies**: Configurable approval requirements * **Daily Limits**: Spending limits and controls * **Whitelist Support**: Trusted address management ### Batch Operations * **Multiple Transactions**: Send multiple transactions efficiently * **Atomic Operations**: All-or-nothing transaction batches * **Optimization**: Gas optimization for batch operations * **Progress Tracking**: Monitor batch execution status ### Transaction Monitoring * **Status Tracking**: Real-time transaction status updates * **Confirmation Monitoring**: Track block confirmations * **Receipt Retrieval**: Get detailed transaction receipts * **Error Handling**: Comprehensive error reporting ### Advanced Features * **Transaction Replacement**: Speed up or cancel pending transactions * **Simulation**: Test transactions before execution * **Retry Logic**: Automatic retry for failed transactions * **Custom Gas**: Manual gas price and limit configuration ## Token Management ### ERC-20 Token Support * **Transfer Operations**: Send tokens between addresses * **Approval Management**: Approve tokens for contract spending * **Allowance Queries**: Check approved spending amounts * **Balance Tracking**: Monitor token balances across addresses ### Token Discovery * **Metadata Retrieval**: Get token name, symbol, decimals * **Contract Validation**: Verify token contract authenticity * **Search Functionality**: Find tokens by name or symbol * **Custom Token Addition**: Add unlisted tokens to watchlist ### Portfolio Management * **Portfolio Overview**: Complete token portfolio view * **Analytics**: Portfolio performance and metrics * **Risk Assessment**: Token security and risk analysis * **Valuation**: Portfolio value calculation and tracking ### Batch Token Operations * **Bulk Transfers**: Multiple token transfers in one operation * **Bulk Approvals**: Approve multiple tokens efficiently * **Portfolio Updates**: Batch portfolio synchronization * **Gas Optimization**: Efficient gas usage for token operations ### Security Features * **Approval Revocation**: Remove token approvals for security * **Spending Limits**: Set maximum token spending amounts * **Trusted Contracts**: Whitelist approved token contracts * **Emergency Controls**: Quick security response capabilities ## Smart Contract Deployment ### Contract Compilation * **Solidity Support**: Compile Solidity source code to bytecode * **Version Management**: Support for all Solidity compiler versions * **Optimization**: Gas optimization during compilation * **Error Reporting**: Detailed compilation error messages ### Deployment Process * **Constructor Arguments**: Support for contract constructor parameters * **Gas Estimation**: Accurate deployment cost estimation * **Deployment Tracking**: Monitor deployment transaction status * **Address Prediction**: Predict contract addresses before deployment ### Contract Verification * **Source Verification**: Verify deployed contracts match source code * **Bytecode Comparison**: Compare deployed and compiled bytecode * **Metadata Validation**: Verify contract metadata integrity * **Public Verification**: Submit verification to block explorers ### Deployment Management * **History Tracking**: Track all contract deployments * **Network Support**: Deploy across different networks * **Template Support**: Use contract templates for common patterns * **Batch Deployment**: Deploy multiple contracts efficiently ### Development Tools * **Testing Integration**: Integration with testing frameworks * **Debug Support**: Debugging tools for contract development * **Documentation**: Automatic documentation generation * **Upgrade Patterns**: Support for upgradeable contract patterns ## Security and Compliance ### Encryption and Storage * **AES-256-CBC**: Military-grade encryption for sensitive data * **Key Management**: Secure key storage and rotation * **Data Protection**: Comprehensive data protection measures * **Backup Security**: Secure backup and recovery procedures ### Access Control * **Permission System**: Role-based access control * **Authentication**: Secure user authentication * **Authorization**: Fine-grained permission management * **Audit Logging**: Complete audit trail of operations ### Risk Management * **Transaction Limits**: Configurable spending limits * **Fraud Detection**: Suspicious activity monitoring * **Emergency Controls**: Quick response to security threats * **Insurance Integration**: Optional insurance for high-value operations ## Performance and Scalability ### Optimization Features * **Connection Pooling**: Efficient RPC connection management * **Caching**: Intelligent caching for frequently accessed data * **Batch Processing**: Efficient batch operation handling * **Rate Limiting**: Configurable rate limiting for API calls ### Monitoring and Analytics * **Performance Metrics**: Detailed performance monitoring * **Usage Analytics**: Track server usage and patterns * **Error Tracking**: Comprehensive error monitoring * **Health Checks**: Automated health monitoring ### Scalability * **Horizontal Scaling**: Support for multiple server instances * **Load Balancing**: Distribute load across servers * **Database Integration**: Scalable data storage options * **Cloud Deployment**: Cloud-native deployment support