diff --git a/.changeset/healthy-kangaroos-smoke.md b/.changeset/healthy-kangaroos-smoke.md
new file mode 100644
index 000000000000..cc5592d6f5d1
--- /dev/null
+++ b/.changeset/healthy-kangaroos-smoke.md
@@ -0,0 +1,6 @@
+---
+'astro': patch
+'create-astro': patch
+---
+
+Add tsconfig templates for users to extend from
diff --git a/examples/basics/tsconfig.json b/examples/basics/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/basics/tsconfig.json
+++ b/examples/basics/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/blog/tsconfig.json b/examples/blog/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/blog/tsconfig.json
+++ b/examples/blog/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/docs/tsconfig.json b/examples/docs/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/docs/tsconfig.json
+++ b/examples/docs/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/env-vars/tsconfig.json b/examples/env-vars/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/env-vars/tsconfig.json
+++ b/examples/env-vars/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/framework-alpine/tsconfig.json b/examples/framework-alpine/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/framework-alpine/tsconfig.json
+++ b/examples/framework-alpine/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/framework-lit/tsconfig.json b/examples/framework-lit/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/framework-lit/tsconfig.json
+++ b/examples/framework-lit/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/framework-multiple/tsconfig.json b/examples/framework-multiple/tsconfig.json
index 8885491e409c..2d48ed5fd9c3 100644
--- a/examples/framework-multiple/tsconfig.json
+++ b/examples/framework-multiple/tsconfig.json
@@ -1,17 +1,7 @@
 {
+  "extends": "astro/tsconfigs/base",
   "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
     // Needed for TypeScript intellisense in the template inside Vue files
-    "jsx": "preserve",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
+    "jsx": "preserve"
   }
 }
diff --git a/examples/framework-preact/tsconfig.json b/examples/framework-preact/tsconfig.json
index 766e72684bb1..bdd1b5a88e0a 100644
--- a/examples/framework-preact/tsconfig.json
+++ b/examples/framework-preact/tsconfig.json
@@ -1,18 +1,8 @@
 {
+  "extends": "astro/tsconfigs/base",
   "compilerOptions": {
     // Preact specific settings
     "jsx": "react-jsx",
-    "jsxImportSource": "preact",
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
+    "jsxImportSource": "preact"
   }
 }
diff --git a/examples/framework-react/tsconfig.json b/examples/framework-react/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/framework-react/tsconfig.json
+++ b/examples/framework-react/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/framework-solid/tsconfig.json b/examples/framework-solid/tsconfig.json
index 807b3fac7919..cb2c53c66156 100644
--- a/examples/framework-solid/tsconfig.json
+++ b/examples/framework-solid/tsconfig.json
@@ -1,18 +1,8 @@
 {
+  "extends": "astro/tsconfigs/base",
   "compilerOptions": {
     // Solid specific settings
     "jsx": "preserve",
     "jsxImportSource": "solid-js",
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
   }
 }
diff --git a/examples/framework-svelte/tsconfig.json b/examples/framework-svelte/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/framework-svelte/tsconfig.json
+++ b/examples/framework-svelte/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/framework-vue/tsconfig.json b/examples/framework-vue/tsconfig.json
index 8885491e409c..2d48ed5fd9c3 100644
--- a/examples/framework-vue/tsconfig.json
+++ b/examples/framework-vue/tsconfig.json
@@ -1,17 +1,7 @@
 {
+  "extends": "astro/tsconfigs/base",
   "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
     // Needed for TypeScript intellisense in the template inside Vue files
-    "jsx": "preserve",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
+    "jsx": "preserve"
   }
 }
diff --git a/examples/minimal/tsconfig.json b/examples/minimal/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/minimal/tsconfig.json
+++ b/examples/minimal/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/non-html-pages/tsconfig.json b/examples/non-html-pages/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/non-html-pages/tsconfig.json
+++ b/examples/non-html-pages/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/portfolio/tsconfig.json b/examples/portfolio/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/portfolio/tsconfig.json
+++ b/examples/portfolio/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/ssr/tsconfig.json b/examples/ssr/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/ssr/tsconfig.json
+++ b/examples/ssr/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/subpath/tsconfig.json b/examples/subpath/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/subpath/tsconfig.json
+++ b/examples/subpath/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/with-markdown-plugins/tsconfig.json b/examples/with-markdown-plugins/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/with-markdown-plugins/tsconfig.json
+++ b/examples/with-markdown-plugins/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/with-markdown-shiki/tsconfig.json b/examples/with-markdown-shiki/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/with-markdown-shiki/tsconfig.json
+++ b/examples/with-markdown-shiki/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/with-mdx/tsconfig.json b/examples/with-mdx/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/with-mdx/tsconfig.json
+++ b/examples/with-mdx/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/with-nanostores/tsconfig.json b/examples/with-nanostores/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/with-nanostores/tsconfig.json
+++ b/examples/with-nanostores/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/with-tailwindcss/tsconfig.json b/examples/with-tailwindcss/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/with-tailwindcss/tsconfig.json
+++ b/examples/with-tailwindcss/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/with-vite-plugin-pwa/tsconfig.json b/examples/with-vite-plugin-pwa/tsconfig.json
index e9e9245fdeba..d78f81ec4e8e 100644
--- a/examples/with-vite-plugin-pwa/tsconfig.json
+++ b/examples/with-vite-plugin-pwa/tsconfig.json
@@ -1,15 +1,3 @@
 {
-  "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/examples/with-vitest/astro.config.ts b/examples/with-vitest/astro.config.ts
index ad7965b1a917..882e6515a67e 100644
--- a/examples/with-vitest/astro.config.ts
+++ b/examples/with-vitest/astro.config.ts
@@ -1,4 +1,4 @@
 import { defineConfig } from 'astro/config';
 
 // https://astro.build/config
-export default defineConfig();
+export default defineConfig({});
diff --git a/examples/with-vitest/tsconfig.json b/examples/with-vitest/tsconfig.json
index be8e3ea96106..d78f81ec4e8e 100644
--- a/examples/with-vitest/tsconfig.json
+++ b/examples/with-vitest/tsconfig.json
@@ -1,18 +1,3 @@
 {
-  "compilerOptions": {
-    // Preact specific settings
-    "jsx": "react-jsx",
-    "jsxImportSource": "preact",
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Add type definitions for our Astro runtime.
-    "types": ["astro/client"]
-  }
+  "extends": "astro/tsconfigs/base"
 }
diff --git a/packages/astro/package.json b/packages/astro/package.json
index d674ef69e5ed..2479a28ff6aa 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -32,6 +32,8 @@
     "./client": "./client.d.ts",
     "./client-base": "./client-base.d.ts",
     "./astro-jsx": "./astro-jsx.d.ts",
+    "./tsconfigs/*.json": "./tsconfigs/*",
+    "./tsconfigs/*": "./tsconfigs/*.json",
     "./jsx/*": "./dist/jsx/*",
     "./jsx-runtime": "./dist/jsx-runtime/index.js",
     "./config": "./config.mjs",
@@ -65,6 +67,7 @@
   },
   "files": [
     "components",
+    "tsconfigs",
     "dist",
     "astro.js",
     "config.d.ts",
diff --git a/packages/create-astro/tsconfigs/tsconfig.strict.json b/packages/astro/tsconfigs/base.json
similarity index 54%
rename from packages/create-astro/tsconfigs/tsconfig.strict.json
rename to packages/astro/tsconfigs/base.json
index a2ebcb5c4414..389712b23353 100644
--- a/packages/create-astro/tsconfigs/tsconfig.strict.json
+++ b/packages/astro/tsconfigs/base.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "https://json.schemastore.org/tsconfig",
   "compilerOptions": {
     // Enable top-level await, and other modern ESM features.
     "target": "ESNext",
@@ -9,11 +10,11 @@
     "resolveJsonModule": true,
     // Enable stricter transpilation for better output.
     "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
+    // Astro directly run TypeScript code, no transpilation needed.
     "noEmit": true,
-    // Enable strict type checking.
-    "strict": true,
-    // Error when a value import is only used as a type.
-    "importsNotUsedAsValues": "error"
+    // Report an error when importing a file using a casing different from the casing on disk.
+    "forceConsistentCasingInFileNames": true,
+    // Properly support importing CJS modules in ESM
+    "esModuleInterop": true
   }
 }
diff --git a/packages/astro/tsconfigs/strict.json b/packages/astro/tsconfigs/strict.json
new file mode 100644
index 000000000000..bc87a68e068b
--- /dev/null
+++ b/packages/astro/tsconfigs/strict.json
@@ -0,0 +1,9 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "./base.json",
+  "compilerOptions": {
+    "strict": true,
+    // Error when a value import is only used as a type.
+    "importsNotUsedAsValues": "error"
+  }
+}
diff --git a/packages/create-astro/tsconfigs/tsconfig.stricter.json b/packages/astro/tsconfigs/strictest.json
similarity index 57%
rename from packages/create-astro/tsconfigs/tsconfig.stricter.json
rename to packages/astro/tsconfigs/strictest.json
index 2d046f7c009c..f59dc4f6cd01 100644
--- a/packages/create-astro/tsconfigs/tsconfig.stricter.json
+++ b/packages/astro/tsconfigs/strictest.json
@@ -1,20 +1,7 @@
 {
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "./strict.json",
   "compilerOptions": {
-    // Enable top-level await, and other modern ESM features.
-    "target": "ESNext",
-    "module": "ESNext",
-    // Enable node-style module resolution, for things like npm package imports.
-    "moduleResolution": "node",
-    // Enable JSON imports.
-    "resolveJsonModule": true,
-    // Enable stricter transpilation for better output.
-    "isolatedModules": true,
-    // Astro will directly run your TypeScript code, no transpilation needed.
-    "noEmit": true,
-    // Enable strict type checking.
-    "strict": true,
-    // Error when a value import is only used as a type.
-    "importsNotUsedAsValues": "error",
     // Report errors for fallthrough cases in switch statements
     "noFallthroughCasesInSwitch": true,
     // Force functions designed to override their parent class to be specified as `override`.
@@ -28,6 +15,10 @@
     // Force the usage of the indexed syntax to access fields declared using an index signature.
     "noUncheckedIndexedAccess": true,
     // Report an error when the value `undefined` is given to an optional property that doesn't specify `undefined` as a valid value.
-    "exactOptionalPropertyTypes": true
+    "exactOptionalPropertyTypes": true,
+    // Report an error for unreachable code instead of just a warning.
+    "allowUnreachableCode": false,
+    // Report an error for unused labels instead of just a warning.
+    "allowUnusedLabels": false
   }
 }
diff --git a/packages/create-astro/package.json b/packages/create-astro/package.json
index aee43f7267b3..ba21ac1e8019 100644
--- a/packages/create-astro/package.json
+++ b/packages/create-astro/package.json
@@ -30,6 +30,7 @@
   ],
   "dependencies": {
     "chalk": "^5.0.1",
+    "comment-json": "^4.2.3",
     "degit": "^2.8.4",
     "execa": "^6.1.0",
     "kleur": "^4.1.4",
diff --git a/packages/create-astro/src/index.ts b/packages/create-astro/src/index.ts
index c3d86912ff9a..3e7d4f4d2726 100644
--- a/packages/create-astro/src/index.ts
+++ b/packages/create-astro/src/index.ts
@@ -1,4 +1,5 @@
 /* eslint no-console: 'off' */
+import { assign, parse, stringify } from 'comment-json';
 import degit from 'degit';
 import { execa, execaCommand } from 'execa';
 import fs from 'fs';
@@ -7,7 +8,6 @@ import ora from 'ora';
 import os from 'os';
 import path from 'path';
 import prompts from 'prompts';
-import url from 'url';
 import detectPackageManager from 'which-pm-runs';
 import yargs from 'yargs-parser';
 import { loadWithRocketGradient, rocketAscii } from './gradient.js';
@@ -117,6 +117,7 @@ export async function main() {
 	const hash = args.commit ? `#${args.commit}` : '';
 
 	// Don't touch the template name if a GitHub repo was provided, ex: `--template cassidoo/shopify-react-astro`
+	const isThirdParty = options.template.includes('/');
 	const templateTarget = options.template.includes('/')
 		? options.template
 		: `withastro/astro/examples/${options.template}#latest`;
@@ -308,7 +309,7 @@ export async function main() {
 				{
 					title: 'Strictest',
 					description: 'Enable all typechecking rules',
-					value: 'stricter',
+					value: 'strictest',
 				},
 				{
 					title: 'I prefer not to use TypeScript',
@@ -335,7 +336,7 @@ export async function main() {
 		console.log(`  Astro supports TypeScript inside of ".astro" component scripts, so`);
 		console.log(`  we still need to create some TypeScript-related files in your project.`);
 		console.log(`  You can safely ignore these files, but don't delete them!`);
-		console.log(dim('  (ex: tsconfig.json, src/types.d.ts)'));
+		console.log(dim('  (ex: tsconfig.json, src/env.d.ts)'));
 		console.log(``);
 		tsResponse.typescript = 'default';
 		await wait(300);
@@ -344,14 +345,34 @@ export async function main() {
 		ora().info(dim(`--dry-run enabled, skipping.`));
 	} else if (tsResponse.typescript) {
 		if (tsResponse.typescript !== 'default') {
-			fs.copyFileSync(
-				path.join(
-					url.fileURLToPath(new URL('..', import.meta.url)),
-					'tsconfigs',
-					`tsconfig.${tsResponse.typescript}.json`
-				),
-				path.join(cwd, 'tsconfig.json')
-			);
+			const templateTSConfigPath = path.join(cwd, 'tsconfig.json');
+			fs.readFile(templateTSConfigPath, (err, data) => {
+				if (err && err.code === 'ENOENT') {
+					// If the template doesn't have a tsconfig.json, let's add one instead
+					fs.writeFileSync(
+						templateTSConfigPath,
+						stringify({ extends: `astro/tsconfigs/${tsResponse.typescript}` }, null, 2)
+					);
+
+					return;
+				}
+
+				const templateTSConfig = parse(data.toString());
+
+				if (templateTSConfig && typeof templateTSConfig === 'object') {
+					const result = assign(templateTSConfig, {
+						extends: `astro/tsconfigs/${tsResponse.typescript}`,
+					});
+
+					fs.writeFileSync(templateTSConfigPath, stringify(result, null, 2));
+				} else {
+					console.log(
+						yellow(
+							"There was an error applying the requested TypeScript settings. This could be because the template's tsconfig.json is malformed"
+						)
+					);
+				}
+			});
 		}
 		ora().succeed('TypeScript settings applied!');
 	}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8daa0eeec83e..300361cb5cb2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -2108,6 +2108,7 @@ importers:
       astro-scripts: workspace:*
       chai: ^4.3.6
       chalk: ^5.0.1
+      comment-json: ^4.2.3
       degit: ^2.8.4
       execa: ^6.1.0
       kleur: ^4.1.4
@@ -2119,6 +2120,7 @@ importers:
       yargs-parser: ^21.0.1
     dependencies:
       chalk: 5.0.1
+      comment-json: 4.2.3
       degit: 2.8.4
       execa: 6.1.0
       kleur: 4.1.5
@@ -9479,6 +9481,10 @@ packages:
     resolution: {integrity: sha512-sNRaPGh9nnmdC8Zf+pT3UqP8rnWj5Hf9wiFGsX3wUQ2yVSIhO2ShFwCoceIPpB41QF6i2OEmrHmCo36xronCVA==}
     dev: false
 
+  /array-timsort/1.0.3:
+    resolution: {integrity: sha512-/+3GRL7dDAGEfM6TseQk/U+mi18TU2Ms9I3UlLdUMhz2hbvGNTKdj9xniwXfUqgYhHxRx0+8UnKkvlNwVU+cWQ==}
+    dev: false
+
   /array-union/2.1.0:
     resolution: {integrity: sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==}
     engines: {node: '>=8'}
@@ -10050,6 +10056,17 @@ packages:
     resolution: {integrity: sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==}
     dev: true
 
+  /comment-json/4.2.3:
+    resolution: {integrity: sha512-SsxdiOf064DWoZLH799Ata6u7iV658A11PlWtZATDlXPpKGJnbJZ5Z24ybixAi+LUUqJ/GKowAejtC5GFUG7Tw==}
+    engines: {node: '>= 6'}
+    dependencies:
+      array-timsort: 1.0.3
+      core-util-is: 1.0.3
+      esprima: 4.0.1
+      has-own-prop: 2.0.0
+      repeat-string: 1.6.1
+    dev: false
+
   /common-ancestor-path/1.0.1:
     resolution: {integrity: sha512-L3sHRo1pXXEqX8VU28kfgUY+YGsk09hPqZiZmLacNib6XNTCM8ubYeT7ryXQw8asB1sKgcU5lkB7ONug08aB8w==}
     dev: false
@@ -11784,6 +11801,11 @@ packages:
     resolution: {integrity: sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==}
     engines: {node: '>=8'}
 
+  /has-own-prop/2.0.0:
+    resolution: {integrity: sha512-Pq0h+hvsVm6dDEa8x82GnLSYHOzNDt7f0ddFa3FqcQlgzEiptPqL+XrOJNavjOzSYiYWIrgeVYYgGlLmnxwilQ==}
+    engines: {node: '>=8'}
+    dev: false
+
   /has-package-exports/1.3.0:
     resolution: {integrity: sha512-e9OeXPQnmPhYoJ63lXC4wWe34TxEGZDZ3OQX9XRqp2VwsfLl3bQBy7VehLnd34g3ef8CmYlBLGqEMKXuz8YazQ==}
     dependencies:
@@ -15141,6 +15163,11 @@ packages:
       unified: 10.1.2
     dev: true
 
+  /repeat-string/1.6.1:
+    resolution: {integrity: sha512-PV0dzCYDNfRi1jCDbJzpW7jNNDRuCOG/jI5ctQcGKt/clZD+YcPS3yIlWuTJMmESC8aevCFmWJy5wjAFgNqN6w==}
+    engines: {node: '>=0.10'}
+    dev: false
+
   /require-directory/2.1.1:
     resolution: {integrity: sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==}
     engines: {node: '>=0.10.0'}