diff --git a/typescript/packages/ampersend-sdk/package.json b/typescript/packages/ampersend-sdk/package.json
index 1a79b1d..b974222 100644
--- a/typescript/packages/ampersend-sdk/package.json
+++ b/typescript/packages/ampersend-sdk/package.json
@@ -54,8 +54,8 @@
     "format": "prettier . --check --ignore-path ../../.prettierignore",
     "format:fix": "prettier . --write --list-different --ignore-path ../../.prettierignore",
     "test": "vitest run",
-    "proxy:dev": "tsx watch src/mcp/proxy/cli.ts --env-prefix TS__MCP_PROXY__",
-    "proxy:start": "node dist/mcp/proxy/cli.js --env-prefix TS__MCP_PROXY__"
+    "proxy:dev": "tsx watch src/mcp/proxy/cli.ts",
+    "proxy:start": "node dist/mcp/proxy/cli.js"
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "github:edgeandnode/mcp-typescript-sdk#2de06543904483073d8cc13db1d0e08e16601081",
diff --git a/typescript/packages/ampersend-sdk/src/mcp/proxy/cli.ts b/typescript/packages/ampersend-sdk/src/mcp/proxy/cli.ts
index 3ebc2d2..9b237b7 100644
--- a/typescript/packages/ampersend-sdk/src/mcp/proxy/cli.ts
+++ b/typescript/packages/ampersend-sdk/src/mcp/proxy/cli.ts
@@ -68,7 +68,7 @@ export function createWalletConfig(envConfig: ProxyEnvConfig): WalletConfig {
 /**
  * Parses command-line arguments and environment variables to build proxy configuration
  */
-function parseOptions(args: Array<string>, envPrefix = ""): ProxyServerOptions {
+function parseOptions(args: Array<string>, envPrefix = "TS__MCP_PROXY__"): ProxyServerOptions {
   // Parse CLI arguments first to check for env-prefix flag
   const program = new Command()
     .name("ampersend-proxy")