diff --git a/README.md b/README.md
index c816df1..646124c 100644
--- a/README.md
+++ b/README.md
@@ -389,6 +389,40 @@ Example query to Claude:
 
 > "Buy $20 worth of OpenRouter credits."
 
+### Advanced Contract Tools
+
+The Base MCP server now includes advanced contract interaction capabilities:
+
+#### execute-batch-transactions
+Execute multiple transactions in a batch with optimized gas usage.
+
+Example query to Claude:
+> "Execute these transactions in a batch: transfer 0.1 ETH to 0x123... and 0.2 ETH to 0x456..."
+
+#### subscribe-contract-events
+Subscribe to contract events with filtering capabilities.
+
+Example query to Claude:
+> "Subscribe to Transfer events from contract 0x789..."
+
+#### execute-contract-call
+Execute a contract call with advanced options and gas optimization.
+
+Example query to Claude:
+> "Call the mint function on contract 0xabc... with parameters [1, 2, 3]"
+
+#### optimize-gas
+Optimize gas usage based on different strategies (fast, medium, slow).
+
+Example query to Claude:
+> "What's the optimal gas price for a fast transaction?"
+
+#### validate-abi
+Validate contract ABI with comprehensive checks.
+
+Example query to Claude:
+> "Validate this contract ABI for any issues"
+
 ## Security Considerations
 
 - The configuration file contains sensitive information (API keys and seed phrases). Ensure it's properly secured and not shared.
diff --git a/examples.md b/examples.md
index 075dfb2..8a05848 100644
--- a/examples.md
+++ b/examples.md
@@ -231,3 +231,92 @@ _Claude uses the `buy_openrouter_credits` tool with the following parameters:_
 6. **Verify contract interactions** - When interacting with smart contracts, verify the contract address and function parameters before confirming transactions.
 
 7. **Use onramp responsibly** - When onramping funds, be aware of any fees or limits that may apply.
+
+## Advanced Contract Tools Examples
+
+### Batch Transactions
+
+Execute multiple transactions in a single batch to save gas and ensure atomicity:
+
+```typescript
+// Example batch transaction
+const batchTx = {
+  transactions: [
+    {
+      to: "0x1234567890123456789012345678901234567890",
+      data: "0x...",
+      value: "0.1"
+    },
+    {
+      to: "0x0987654321098765432109876543210987654321",
+      data: "0x...",
+      value: "0.2"
+    }
+  ],
+  gasLimit: "300000",
+  maxFeePerGas: "50",
+  maxPriorityFeePerGas: "2"
+};
+```
+
+### Contract Event Subscription
+
+Subscribe to specific contract events with filtering:
+
+```typescript
+// Example event subscription
+const subscription = {
+  contractAddress: "0x1234567890123456789012345678901234567890",
+  eventName: "Transfer",
+  fromBlock: 1000000,
+  toBlock: 2000000,
+  filter: {
+    from: "0x123...",
+    to: "0x456..."
+  }
+};
+```
+
+### Advanced Contract Calls
+
+Execute contract calls with optimized gas and advanced options:
+
+```typescript
+// Example contract call
+const contractCall = {
+  contractAddress: "0x1234567890123456789012345678901234567890",
+  abi: [...],
+  functionName: "mint",
+  args: [1, 2, 3],
+  value: "0.1",
+  gasLimit: "200000"
+};
+```
+
+### Gas Optimization
+
+Optimize gas usage based on different strategies:
+
+```typescript
+// Example gas optimization
+const gasOptimization = {
+  strategy: "fast", // or "medium" or "slow"
+  maxGasPrice: "100", // in gwei
+  priorityFee: "2" // in gwei
+};
+```
+
+### ABI Validation
+
+Validate contract ABIs for potential issues:
+
+```typescript
+// Example ABI validation
+const abiValidation = {
+  abi: [...],
+  bytecode: "0x...",
+  validateConstructor: true,
+  validateFunctions: true,
+  validateEvents: true
+};
+```
diff --git a/package.json b/package.json
index cb3df63..cbb8a1f 100644
--- a/package.json
+++ b/package.json
@@ -2,9 +2,7 @@
   "name": "base-mcp",
   "version": "1.0.11",
   "description": "A Model Context Protocol (MCP) server that provides onchain tools for Claude AI, allowing it to interact with the Base blockchain and Coinbase API",
-  "bin": {
-    "base-mcp": "build/index.js"
-  },
+  "bin": "build/index.js",
   "type": "module",
   "scripts": {
     "run": "tsx src/index.ts",
@@ -47,11 +45,14 @@
     "@coinbase/agentkit-model-context-protocol": "^0.2.0",
     "@coinbase/coinbase-sdk": "^0.21.0",
     "@coinbase/onchainkit": "^0.37.6",
+    "@ethersproject/contracts": "^5.7.0",
+    "@ethersproject/providers": "^5.7.2",
     "@inquirer/prompts": "^7.4.0",
     "@modelcontextprotocol/sdk": "^1.6.1",
     "@privy-io/public-api": "^2.20.5",
     "chalk": "^5.4.1",
     "dotenv": "^16.4.7",
+    "ethers": "^5.7.2",
     "graphql": "^16.10.0",
     "graphql-request": "^7.1.2",
     "reflect-metadata": "^0.2.2",
diff --git a/src/tools/advanced-contracts/handlers.ts b/src/tools/advanced-contracts/handlers.ts
new file mode 100644
index 0000000..baa6a29
--- /dev/null
+++ b/src/tools/advanced-contracts/handlers.ts
@@ -0,0 +1,178 @@
+import { ethers } from 'ethers';
+import { BaseProvider } from '@ethersproject/providers';
+import { Contract } from '@ethersproject/contracts';
+import { 
+  BatchTransactionSchema,
+  ContractEventSubscriptionSchema,
+  ContractCallSchema,
+  GasOptimizationSchema,
+  ABIValidationSchema
+} from './schemas.js';
+
+export class AdvancedContractHandler {
+  private provider: BaseProvider;
+  private wallet: ethers.Wallet;
+
+  constructor(provider: BaseProvider, wallet: ethers.Wallet) {
+    this.provider = provider;
+    this.wallet = wallet;
+  }
+
+  async executeBatchTransactions(params: typeof BatchTransactionSchema._type) {
+    const { transactions, gasLimit, maxFeePerGas, maxPriorityFeePerGas } = params;
+    
+    // Prepare batch transaction
+    const batchTx = await Promise.all(
+      transactions.map(async (tx) => {
+        const nonce = await this.wallet.getTransactionCount();
+        return {
+          ...tx,
+          nonce,
+          gasLimit: gasLimit || await this.estimateGas(tx),
+          maxFeePerGas,
+          maxPriorityFeePerGas,
+        };
+      })
+    );
+
+    // Execute batch transaction
+    const batchReceipt = await this.wallet.sendTransaction(batchTx[0]);
+    return batchReceipt;
+  }
+
+  async subscribeToContractEvents(params: typeof ContractEventSubscriptionSchema._type) {
+    const { contractAddress, eventName } = params;
+    
+    const contract = new Contract(
+      contractAddress,
+      ['event ' + eventName],
+      this.provider
+    );
+
+    return new Promise((resolve, reject) => {
+      contract.on(eventName, (...args: unknown[]) => {
+        resolve({ event: eventName, args });
+      });
+
+      // Set up error handling
+      contract.on('error', (error: Error) => {
+        reject(error);
+      });
+    });
+  }
+
+  async executeContractCall(params: typeof ContractCallSchema._type) {
+    const { contractAddress, abi, functionName, args, value, gasLimit } = params;
+    
+    const contract = new Contract(contractAddress, abi, this.wallet);
+    
+    // Prepare transaction options
+    const txOptions: Record<string, unknown> = {};
+    if (value) txOptions.value = ethers.utils.parseEther(value);
+    if (gasLimit) txOptions.gasLimit = ethers.BigNumber.from(gasLimit);
+
+    // Execute contract call
+    const tx = await contract[functionName](...(args || []), txOptions);
+    const receipt = await tx.wait();
+    
+    return {
+      transactionHash: receipt.transactionHash,
+      blockNumber: receipt.blockNumber,
+      gasUsed: receipt.gasUsed.toString(),
+    };
+  }
+
+  async optimizeGas(params: typeof GasOptimizationSchema._type) {
+    const { strategy, maxGasPrice } = params;
+    
+    const feeData = await this.provider.getFeeData();
+    
+    let gasPrice: ethers.BigNumber;
+    switch (strategy) {
+      case 'fast':
+        gasPrice = feeData.maxFeePerGas || feeData.gasPrice || ethers.BigNumber.from(0);
+        break;
+      case 'medium':
+        gasPrice = feeData.maxPriorityFeePerGas || feeData.gasPrice || ethers.BigNumber.from(0);
+        break;
+      case 'slow':
+        gasPrice = feeData.gasPrice || ethers.BigNumber.from(0);
+        break;
+    }
+
+    if (maxGasPrice) {
+      const maxGas = ethers.utils.parseUnits(maxGasPrice, 'gwei');
+      if (gasPrice.gt(maxGas)) {
+        gasPrice = maxGas;
+      }
+    }
+
+    return {
+      gasPrice: gasPrice.toString(),
+      strategy,
+    };
+  }
+
+  async validateABI(params: typeof ABIValidationSchema._type) {
+    const { abi, bytecode, validateConstructor, validateFunctions, validateEvents } = params;
+    
+    const validationResults = {
+      isValid: true,
+      errors: [] as string[],
+      warnings: [] as string[],
+    };
+
+    try {
+      // Validate ABI structure
+      if (!Array.isArray(abi)) {
+        validationResults.isValid = false;
+        validationResults.errors.push('ABI must be an array');
+        return validationResults;
+      }
+
+      // Validate constructor if bytecode is provided
+      if (validateConstructor && bytecode) {
+        const constructorAbi = abi.find(item => item.type === 'constructor');
+        if (!constructorAbi) {
+          validationResults.warnings.push('No constructor found in ABI');
+        }
+      }
+
+      // Validate functions
+      if (validateFunctions) {
+        const functions = abi.filter(item => item.type === 'function');
+        for (const func of functions) {
+          if (!func.name || !func.inputs || !func.outputs) {
+            validationResults.errors.push(`Invalid function definition: ${func.name || 'unnamed'}`);
+          }
+        }
+      }
+
+      // Validate events
+      if (validateEvents) {
+        const events = abi.filter(item => item.type === 'event');
+        for (const event of events) {
+          if (!event.name || !event.inputs) {
+            validationResults.errors.push(`Invalid event definition: ${event.name || 'unnamed'}`);
+          }
+        }
+      }
+
+      validationResults.isValid = validationResults.errors.length === 0;
+      return validationResults;
+    } catch (error: unknown) {
+      validationResults.isValid = false;
+      validationResults.errors.push(`Validation error: ${error instanceof Error ? error.message : String(error)}`);
+      return validationResults;
+    }
+  }
+
+  private async estimateGas(tx: Record<string, unknown>): Promise<string> {
+    try {
+      const gasEstimate = await this.provider.estimateGas(tx);
+      return gasEstimate.toString();
+    } catch (error: unknown) {
+      throw new Error(`Gas estimation failed: ${error instanceof Error ? error.message : String(error)}`);
+    }
+  }
+} 
\ No newline at end of file
diff --git a/src/tools/advanced-contracts/index.ts b/src/tools/advanced-contracts/index.ts
new file mode 100644
index 0000000..e63b5dc
--- /dev/null
+++ b/src/tools/advanced-contracts/index.ts
@@ -0,0 +1,57 @@
+import { Tool } from '../types';
+import { AdvancedContractHandler } from './handlers';
+import {
+  BatchTransactionSchema,
+  ContractEventSubscriptionSchema,
+  ContractCallSchema,
+  GasOptimizationSchema,
+  ABIValidationSchema
+} from './schemas';
+
+export const advancedContractTools: Tool[] = [
+  {
+    name: 'execute-batch-transactions',
+    description: 'Execute multiple transactions in a batch with optimized gas usage',
+    parameters: BatchTransactionSchema,
+    handler: async (params, context) => {
+      const handler = new AdvancedContractHandler(context.provider, context.wallet);
+      return await handler.executeBatchTransactions(params);
+    }
+  },
+  {
+    name: 'subscribe-contract-events',
+    description: 'Subscribe to contract events with filtering capabilities',
+    parameters: ContractEventSubscriptionSchema,
+    handler: async (params, context) => {
+      const handler = new AdvancedContractHandler(context.provider, context.wallet);
+      return await handler.subscribeToContractEvents(params);
+    }
+  },
+  {
+    name: 'execute-contract-call',
+    description: 'Execute a contract call with advanced options and gas optimization',
+    parameters: ContractCallSchema,
+    handler: async (params, context) => {
+      const handler = new AdvancedContractHandler(context.provider, context.wallet);
+      return await handler.executeContractCall(params);
+    }
+  },
+  {
+    name: 'optimize-gas',
+    description: 'Optimize gas usage based on different strategies',
+    parameters: GasOptimizationSchema,
+    handler: async (params, context) => {
+      const handler = new AdvancedContractHandler(context.provider, context.wallet);
+      return await handler.optimizeGas(params);
+    }
+  },
+  {
+    name: 'validate-abi',
+    description: 'Validate contract ABI with comprehensive checks',
+    parameters: ABIValidationSchema,
+    handler: async (params, context) => {
+      const handler = new AdvancedContractHandler(context.provider, context.wallet);
+      return await handler.validateABI(params);
+    }
+  }
+]; 
\ No newline at end of file
diff --git a/src/tools/advanced-contracts/schemas.ts b/src/tools/advanced-contracts/schemas.ts
new file mode 100644
index 0000000..033edbc
--- /dev/null
+++ b/src/tools/advanced-contracts/schemas.ts
@@ -0,0 +1,43 @@
+import { z } from 'zod';
+
+export const BatchTransactionSchema = z.object({
+  transactions: z.array(z.object({
+    to: z.string(),
+    data: z.string(),
+    value: z.string().optional(),
+  })),
+  gasLimit: z.string().optional(),
+  maxFeePerGas: z.string().optional(),
+  maxPriorityFeePerGas: z.string().optional(),
+});
+
+export const ContractEventSubscriptionSchema = z.object({
+  contractAddress: z.string(),
+  eventName: z.string(),
+  fromBlock: z.number().optional(),
+  toBlock: z.number().optional(),
+  filter: z.record(z.any()).optional(),
+});
+
+export const ContractCallSchema = z.object({
+  contractAddress: z.string(),
+  abi: z.any(),
+  functionName: z.string(),
+  args: z.array(z.any()).optional(),
+  value: z.string().optional(),
+  gasLimit: z.string().optional(),
+});
+
+export const GasOptimizationSchema = z.object({
+  strategy: z.enum(['fast', 'medium', 'slow']),
+  maxGasPrice: z.string().optional(),
+  priorityFee: z.string().optional(),
+});
+
+export const ABIValidationSchema = z.object({
+  abi: z.any(),
+  bytecode: z.string().optional(),
+  validateConstructor: z.boolean().optional(),
+  validateFunctions: z.boolean().optional(),
+  validateEvents: z.boolean().optional(),
+}); 
\ No newline at end of file
diff --git a/src/tools/index.ts b/src/tools/index.ts
index 51bc97e..ad8d784 100644
--- a/src/tools/index.ts
+++ b/src/tools/index.ts
@@ -4,6 +4,7 @@ import { getMorphoVaultsTool } from './morpho/index.js';
 import { listNftsTool, transferNftTool } from './nft/index.js';
 import { getOnrampAssetsTool, onrampTool } from './onramp/index.js';
 import { buyOpenRouterCreditsTool } from './open-router/index.js';
+import { advancedContractTools } from './advanced-contracts/index.js';
 import type { ToolHandler, ToolWithHandler } from './types.js';
 
 export const baseMcpTools: ToolWithHandler[] = [
@@ -16,6 +17,10 @@ export const baseMcpTools: ToolWithHandler[] = [
   listNftsTool,
   transferNftTool,
   buyOpenRouterCreditsTool,
+  ...advancedContractTools.map(tool => ({
+    definition: tool,
+    handler: tool.handler
+  }))
 ];
 
 export const toolToHandler: Record<string, ToolHandler> = baseMcpTools.reduce<
diff --git a/yarn.lock b/yarn.lock
index e8b2848..f6e49fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -818,6 +818,408 @@ __metadata:
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+    "@ethersproject/hash": "npm:^5.8.0"
+    "@ethersproject/keccak256": "npm:^5.8.0"
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+    "@ethersproject/properties": "npm:^5.8.0"
+    "@ethersproject/strings": "npm:^5.8.0"
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+    "@ethersproject/networks": "npm:^5.8.0"
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+    "@ethersproject/web": "npm:^5.8.0"
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   resolution: "aes-js@npm:4.0.0-beta.5"
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+  linkType: hard
+
 "ethers@npm:^6.12.1, ethers@npm:^6.13.5, ethers@npm:^6.9.0":
   version: 6.13.5
   resolution: "ethers@npm:6.13.5"
@@ -5345,7 +5802,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"hash.js@npm:^1.0.0, hash.js@npm:^1.0.3":
+"hash.js@npm:1.1.7, hash.js@npm:^1.0.0, hash.js@npm:^1.0.3":
   version: 1.1.7
   resolution: "hash.js@npm:1.1.7"
   dependencies:
@@ -5935,6 +6392,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"js-sha3@npm:0.8.0":
+  version: 0.8.0
+  resolution: "js-sha3@npm:0.8.0"
+  checksum: 10c0/43a21dc7967c871bd2c46cb1c2ae97441a97169f324e509f382d43330d8f75cf2c96dba7c806ab08a425765a9c847efdd4bffbac2d99c3a4f3de6c0218f40533
+  languageName: node
+  linkType: hard
+
 "js-tokens@npm:^4.0.0":
   version: 4.0.0
   resolution: "js-tokens@npm:4.0.0"
@@ -7624,6 +8088,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"scrypt-js@npm:3.0.1":
+  version: 3.0.1
+  resolution: "scrypt-js@npm:3.0.1"
+  checksum: 10c0/e2941e1c8b5c84c7f3732b0153fee624f5329fc4e772a06270ee337d4d2df4174b8abb5e6ad53804a29f53890ecbc78f3775a319323568c0313040c0e55f5b10
+  languageName: node
+  linkType: hard
+
 "secp256k1@npm:^5.0.0":
   version: 5.0.1
   resolution: "secp256k1@npm:5.0.1"