diff --git a/README.md b/README.md
index 5bbc83f..6f4f47a 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,7 @@ All services are exposed through a consistent interface of MCP tools and resourc
 - Zora
 - Aurora
 - Canto
+- Flow
 - Lumia
 
 ### Testnets
@@ -137,6 +138,7 @@ All services are exposed through a consistent interface of MCP tools and resourc
 - Celo Alfajores
 - Goerli
 - Holesky
+- Flow Testnet
 - Lumia Testnet
 
 ## 🛠️ Prerequisites
diff --git a/src/core/chains.ts b/src/core/chains.ts
index e89b275..43bac2c 100644
--- a/src/core/chains.ts
+++ b/src/core/chains.ts
@@ -31,6 +31,7 @@ import {
   zora,
   aurora,
   canto,
+  flowMainnet,
   
   // Testnets
   sepolia,
@@ -54,7 +55,8 @@ import {
   zoraSepolia,
   celoAlfajores,
   goerli,
-  holesky
+  holesky,
+  flowTestnet
 } from 'viem/chains';
 
 // Default configuration values
@@ -94,6 +96,7 @@ export const chainMap: Record<number, Chain> = {
   7777777: zora,
   1313161554: aurora,
   7700: canto,
+  747: flowMainnet,
   
   // Testnets
   11155111: sepolia,
@@ -117,7 +120,8 @@ export const chainMap: Record<number, Chain> = {
   999999999: zoraSepolia,
   44787: celoAlfajores,
   5: goerli,
-  17000: holesky
+  17000: holesky,
+  545: flowTestnet,
 };
 
 // Map network names to chain IDs for easier reference
@@ -165,6 +169,7 @@ export const networkNameMap: Record<string, number> = {
   'zora': 7777777,
   'aurora': 1313161554,
   'canto': 7700,
+  'flow': 747,
   
   // Testnets
   'sepolia': 11155111,
@@ -208,7 +213,8 @@ export const networkNameMap: Record<string, number> = {
   'celoalfajores': 44787,
   'alfajores': 44787,
   'goerli': 5,
-  'holesky': 17000
+  'holesky': 17000,
+  'flow-testnet': 545,
 };
 
 // Map chain IDs to RPC URLs
@@ -244,6 +250,7 @@ export const rpcUrlMap: Record<number, string> = {
   7777777: 'https://rpc.zora.energy',
   1313161554: 'https://mainnet.aurora.dev',
   7700: 'https://canto.gravitychain.io',
+  747: 'https://mainnet.evm.nodes.onflow.org',
   
   // Testnets
   11155111: 'https://sepolia.drpc.org',
@@ -267,7 +274,8 @@ export const rpcUrlMap: Record<number, string> = {
   999999999: 'https://sepolia.rpc.zora.energy',
   44787: 'https://alfajores-forno.celo-testnet.org',
   5: 'https://rpc.ankr.com/eth_goerli',
-  17000: 'https://ethereum-holesky.publicnode.com'
+  17000: 'https://ethereum-holesky.publicnode.com',
+  545: 'https://testnet.evm.nodes.onflow.org',
 };
 
 /**
@@ -341,4 +349,4 @@ export function getSupportedNetworks(): string[] {
   return Object.keys(networkNameMap)
     .filter(name => name.length > 2) // Filter out short aliases
     .sort();
-} 
\ No newline at end of file
+}