diff --git a/typescript/packages/mcp/bin/x402-mcp.js b/typescript/packages/mcp/bin/x402-mcp.js
index c3879222..7410c124 100755
--- a/typescript/packages/mcp/bin/x402-mcp.js
+++ b/typescript/packages/mcp/bin/x402-mcp.js
@@ -3,13 +3,16 @@ const { spawnSync } = require("node:child_process");
 const path = require("node:path");
 
 const entryPath = path.resolve(__dirname, "../src/command/mcp-server.ts");
+const packageRoot = path.resolve(__dirname, "..");
+const tsxLoaderPath = path.resolve(packageRoot, "node_modules/tsx/dist/loader.mjs");
 
 const result = spawnSync(
   process.execPath,
-  ["--import", "tsx", entryPath, ...process.argv.slice(2)],
+  ["--import", tsxLoaderPath, entryPath, ...process.argv.slice(2)],
   {
     stdio: "inherit",
     env: process.env,
+    cwd: packageRoot,
   },
 );
 
diff --git a/typescript/packages/mcp/bin/x402.js b/typescript/packages/mcp/bin/x402.js
index 31ca36de..9853f5ee 100755
--- a/typescript/packages/mcp/bin/x402.js
+++ b/typescript/packages/mcp/bin/x402.js
@@ -3,11 +3,18 @@ const { spawnSync } = require("node:child_process");
 const path = require("node:path");
 
 const cliPath = path.resolve(__dirname, "../src/command/cli.ts");
+const packageRoot = path.resolve(__dirname, "..");
+const tsxLoaderPath = path.resolve(packageRoot, "node_modules/tsx/dist/loader.mjs");
 
-const result = spawnSync(process.execPath, ["--import", "tsx", cliPath, ...process.argv.slice(2)], {
-  stdio: "inherit",
-  env: process.env,
-});
+const result = spawnSync(
+  process.execPath,
+  ["--import", tsxLoaderPath, cliPath, ...process.argv.slice(2)],
+  {
+    stdio: "inherit",
+    env: process.env,
+    cwd: packageRoot,
+  },
+);
 
 if (result.error) {
   throw result.error;