diff --git a/internal/builtin/wrapper.go b/internal/builtin/wrapper.go
deleted file mode 100644
index 5d9ee61..0000000
--- a/internal/builtin/wrapper.go
+++ /dev/null
@@ -1 +0,0 @@
-package builtin
diff --git a/internal/builtin/collector.go b/internal/functions/collector.go
similarity index 99%
rename from internal/builtin/collector.go
rename to internal/functions/collector.go
index 58bfab4..5352698 100644
--- a/internal/builtin/collector.go
+++ b/internal/functions/collector.go
@@ -1,4 +1,4 @@
-package builtin
+package functions
 
 import (
 	"fmt"
diff --git a/internal/builtin/builtin_test.go b/internal/functions/functions_test.go
similarity index 66%
rename from internal/builtin/builtin_test.go
rename to internal/functions/functions_test.go
index 254fbb4..a44165b 100644
--- a/internal/builtin/builtin_test.go
+++ b/internal/functions/functions_test.go
@@ -1,4 +1,4 @@
-package builtin
+package functions
 
 import (
 	"context"
@@ -18,21 +18,21 @@ func (t TestArgs) Validate() error {
 	return nil
 }
 
-func TestAsyncBuiltin(t *testing.T) {
-	RegisterAsyncBuiltin("testAsync", func(_ context.Context, args TestArgs) (string, error) {
+func TestAsyncFunction(t *testing.T) {
+	RegisterAsyncFunction("testAsync", func(_ context.Context, args TestArgs) (string, error) {
 		return "result: " + args.Field1, nil
 	})
 
 	registryMutex.RLock()
-	builtin, ok := builtinRegistry["testAsync"]
+	fn, ok := functionRegistry["testAsync"]
 	registryMutex.RUnlock()
 
 	require.True(t, ok, "testAsync should be registered")
-	assert.Contains(t, builtin.Definition(), "Promise<string>", "definition should include Promise<string>")
+	assert.Contains(t, fn.Definition(), "Promise<string>", "definition should include Promise<string>")
 }
 
-func TestAsyncBuiltinResolution(t *testing.T) {
-	RegisterAsyncBuiltin("resolveTest", func(_ context.Context, args TestArgs) (string, error) {
+func TestAsyncFunctionResolution(t *testing.T) {
+	RegisterAsyncFunction("resolveTest", func(_ context.Context, args TestArgs) (string, error) {
 		return "test-result", nil
 	})
 
@@ -43,15 +43,15 @@ func TestAsyncBuiltinResolution(t *testing.T) {
 	}()
 	vm.SetCanBlock(true)
 
-	RegisterBuiltins(context.Background(), vm)
+	RegisterFunctions(context.Background(), vm)
 
 	result, err := vm.Eval(`resolveTest("hello")`, quickjs.EvalGlobal)
 	require.NoError(t, err)
 	assert.NotNil(t, result)
 }
 
-func TestAsyncBuiltinRejection(t *testing.T) {
-	RegisterAsyncBuiltin("rejectTest", func(_ context.Context, args TestArgs) (string, error) {
+func TestAsyncFunctionRejection(t *testing.T) {
+	RegisterAsyncFunction("rejectTest", func(_ context.Context, args TestArgs) (string, error) {
 		return "", assert.AnError
 	})
 
@@ -62,7 +62,7 @@ func TestAsyncBuiltinRejection(t *testing.T) {
 	}()
 	vm.SetCanBlock(true)
 
-	RegisterBuiltins(context.Background(), vm)
+	RegisterFunctions(context.Background(), vm)
 
 	result, err := vm.Eval(`rejectTest({field1: "hello"})`, quickjs.EvalGlobal)
 	require.NoError(t, err)
@@ -70,7 +70,7 @@ func TestAsyncBuiltinRejection(t *testing.T) {
 }
 
 func TestNonPromise(t *testing.T) {
-	RegisterBuiltin("nonPromiseTest", func(_ context.Context, args TestArgs) (string, error) {
+	RegisterFunction("nonPromiseTest", func(_ context.Context, args TestArgs) (string, error) {
 		return "sync-result", nil
 	})
 
@@ -81,7 +81,7 @@ func TestNonPromise(t *testing.T) {
 	}()
 	vm.SetCanBlock(true)
 
-	RegisterBuiltins(context.Background(), vm)
+	RegisterFunctions(context.Background(), vm)
 
 	result, err := vm.Eval(`nonPromiseTest({field1: "hello"})`, quickjs.EvalGlobal)
 	require.NoError(t, err)
diff --git a/internal/builtin/registry.go b/internal/functions/registry.go
similarity index 54%
rename from internal/builtin/registry.go
rename to internal/functions/registry.go
index 63e656d..48af53f 100644
--- a/internal/builtin/registry.go
+++ b/internal/functions/registry.go
@@ -1,4 +1,4 @@
-package builtin
+package functions
 
 import (
 	"fmt"
@@ -8,12 +8,12 @@ import (
 )
 
 var (
-	builtinRegistry = make(map[string]Builtin)
-	registryMutex   sync.RWMutex
-	collector       *typeCollector
+	functionRegistry = make(map[string]Function)
+	registryMutex    sync.RWMutex
+	collector        *typeCollector
 )
 
-func registerBuiltin[A Args, R any](name string, isAsync bool, fn Func[A, R]) {
+func registerFunction[A Args, R any](name string, isAsync bool, fn RawFunc[A, R]) {
 	registryMutex.Lock()
 	defer registryMutex.Unlock()
 
@@ -23,14 +23,14 @@ func registerBuiltin[A Args, R any](name string, isAsync bool, fn Func[A, R]) {
 
 	tType := reflect.TypeFor[A]()
 	if tType.Kind() != reflect.Struct {
-		panic(fmt.Sprintf("builtin %s: argument must be a struct type, got %v", name, tType))
+		panic(fmt.Sprintf("function %s: argument must be a struct type, got %v", name, tType))
 	}
 
 	fnType := reflect.TypeOf(fn)
 	types := collector.collectTypes(tType, fnType)
 	paramTypes := collector.getParamTypes()
 
-	builtinRegistry[name] = &builtinImpl[A, R]{
+	functionRegistry[name] = &functionImpl[A, R]{
 		name:       name,
 		fn:         fn,
 		types:      types,
@@ -38,7 +38,7 @@ func registerBuiltin[A Args, R any](name string, isAsync bool, fn Func[A, R]) {
 	}
 }
 
-func GetBuiltinsDeclarations() string {
+func GetFunctionDeclarations() string {
 	registryMutex.RLock()
 	defer registryMutex.RUnlock()
 
@@ -46,14 +46,14 @@ func GetBuiltinsDeclarations() string {
 	var typeDefs []string
 	var functionDecls []string
 
-	for _, builtin := range builtinRegistry {
-		for _, t := range builtin.Types() {
+	for _, fn := range functionRegistry {
+		for _, t := range fn.Types() {
 			if !typeDefinitions[t] {
 				typeDefinitions[t] = true
 				typeDefs = append(typeDefs, t)
 			}
 		}
-		functionDecls = append(functionDecls, builtin.Definition())
+		functionDecls = append(functionDecls, fn.Definition())
 	}
 
 	result := strings.Join(typeDefs, "\n\n")
@@ -65,14 +65,14 @@ func GetBuiltinsDeclarations() string {
 	return result
 }
 
-func RegisterBuiltin[T Args, R any](name string, fn Func[T, R]) {
-	registerBuiltin(name, false, fn)
+func GetRegisteredFunctions() map[string]Function {
+	return functionRegistry
 }
 
-func RegisterAsyncBuiltin[T Args, R any](name string, fn Func[T, R]) {
-	registerBuiltin(name, true, fn)
+func RegisterFunction[T Args, R any](name string, fn RawFunc[T, R]) {
+	registerFunction(name, false, fn)
 }
 
-func GetBuiltins() map[string]Builtin {
-	return builtinRegistry
+func RegisterAsyncFunction[T Args, R any](name string, fn RawFunc[T, R]) {
+	registerFunction(name, true, fn)
 }
diff --git a/internal/builtin/types.go b/internal/functions/types.go
similarity index 71%
rename from internal/builtin/types.go
rename to internal/functions/types.go
index d2388b2..6d14b7e 100644
--- a/internal/builtin/types.go
+++ b/internal/functions/types.go
@@ -1,4 +1,4 @@
-package builtin
+package functions
 
 import (
 	"context"
@@ -6,39 +6,39 @@ import (
 	"reflect"
 )
 
-type Builtin interface {
+type Function interface {
 	Name() string
 	Types() []string
 	Definition() string
 	WrapFn(context.Context) func(...any) (any, error)
 }
 
-type Func[A Args, R any] func(ctx context.Context, args A) (R, error)
+type RawFunc[A Args, R any] func(context.Context, A) (R, error)
 
 type Args interface {
 	Validate() error
 }
 
-type builtinImpl[A Args, R any] struct {
+type functionImpl[A Args, R any] struct {
 	name       string
-	fn         Func[A, R]
+	fn         RawFunc[A, R]
 	definition string
 	types      []string
 }
 
-func (b *builtinImpl[A, R]) Name() string {
+func (b *functionImpl[A, R]) Name() string {
 	return b.name
 }
 
-func (b *builtinImpl[A, R]) Types() []string {
+func (b *functionImpl[A, R]) Types() []string {
 	return b.types
 }
 
-func (b *builtinImpl[A, R]) Definition() string {
+func (b *functionImpl[A, R]) Definition() string {
 	return b.definition
 }
 
-func (b *builtinImpl[A, R]) WrapFn(ctx context.Context) func(...any) (any, error) {
+func (b *functionImpl[A, R]) WrapFn(ctx context.Context) func(...any) (any, error) {
 	return func(allArgs ...any) (any, error) {
 		// Populate Arguments
 		var fnArgs A
diff --git a/internal/builtin/typescript.go b/internal/functions/typescript.go
similarity index 99%
rename from internal/builtin/typescript.go
rename to internal/functions/typescript.go
index bb1d1ad..966677a 100644
--- a/internal/builtin/typescript.go
+++ b/internal/functions/typescript.go
@@ -1,4 +1,4 @@
-package builtin
+package functions
 
 import (
 	"fmt"
diff --git a/internal/builtin/typescript_test.go b/internal/functions/typescript_test.go
similarity index 75%
rename from internal/builtin/typescript_test.go
rename to internal/functions/typescript_test.go
index 84b16fe..9ca90f8 100644
--- a/internal/builtin/typescript_test.go
+++ b/internal/functions/typescript_test.go
@@ -1,4 +1,4 @@
-package builtin
+package functions
 
 import (
 	"context"
@@ -18,11 +18,11 @@ func (t TestBasicArgs) Validate() error { return nil }
 
 func TestBasicType(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestBasicArgs, string]("basic", func(ctx context.Context, args TestBasicArgs) (string, error) {
+	RegisterFunction[TestBasicArgs, string]("basic", func(ctx context.Context, args TestBasicArgs) (string, error) {
 		return args.Name, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function basic(name: string, age: number): string;")
 	assert.Contains(t, defs, "interface TestBasicArgs")
 }
@@ -30,7 +30,7 @@ func TestBasicType(t *testing.T) {
 func resetRegistry() {
 	registryLock.Lock()
 	defer registryLock.Unlock()
-	builtinRegistry = make(map[string]Builtin)
+	functionRegistry = make(map[string]Function)
 }
 
 var (
@@ -47,11 +47,11 @@ func (t TestComplexArgs) Validate() error { return nil }
 
 func TestComplexTypes(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestComplexArgs, bool]("complex", func(ctx context.Context, args TestComplexArgs) (bool, error) {
+	RegisterFunction[TestComplexArgs, bool]("complex", func(ctx context.Context, args TestComplexArgs) (bool, error) {
 		return args.Flag, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function complex(items: number[], data: Record<string, any>, flag: boolean): boolean;")
 }
 
@@ -66,11 +66,11 @@ func (t TestNestedArgs) Validate() error { return nil }
 
 func TestNestedStruct(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestNestedArgs, string]("nested", func(ctx context.Context, args TestNestedArgs) (string, error) {
+	RegisterFunction[TestNestedArgs, string]("nested", func(ctx context.Context, args TestNestedArgs) (string, error) {
 		return args.User.FirstName, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function nested(user: {}): string;")
 }
 
@@ -84,11 +84,11 @@ func (t TestOptionalArgs) Validate() error { return nil }
 
 func TestOptionalFields(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestOptionalArgs, string]("optional", func(ctx context.Context, args TestOptionalArgs) (string, error) {
+	RegisterFunction[TestOptionalArgs, string]("optional", func(ctx context.Context, args TestOptionalArgs) (string, error) {
 		return args.Name, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function optional(name: string, age?: number | null, score?: number | null): string;")
 }
 
@@ -105,11 +105,11 @@ func (t TestResultArgs) Validate() error { return nil }
 
 func TestResultStruct(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestResultArgs, TestResult]("result", func(ctx context.Context, args TestResultArgs) (TestResult, error) {
+	RegisterFunction[TestResultArgs, TestResult]("result", func(ctx context.Context, args TestResultArgs) (TestResult, error) {
 		return TestResult{ID: 1}, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function result(input: string): TestResult;")
 	assert.Contains(t, defs, "interface TestResult {id: number; data: number[]}")
 }
@@ -126,11 +126,11 @@ type TestAsyncResult struct {
 
 func TestAsyncPromise(t *testing.T) {
 	resetRegistry()
-	RegisterAsyncBuiltin[TestAsyncArgs, *TestAsyncStatus]("async", func(ctx context.Context, args TestAsyncArgs) (*TestAsyncStatus, error) {
+	RegisterAsyncFunction[TestAsyncArgs, *TestAsyncStatus]("async", func(ctx context.Context, args TestAsyncArgs) (*TestAsyncStatus, error) {
 		return &TestAsyncStatus{Code: 200}, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function async(url: string): Promise<TestAsyncStatus | null>;")
 	assert.Contains(t, defs, "interface TestAsyncStatus")
 }
@@ -151,11 +151,11 @@ func (t TestNestedPointerArgs) Validate() error { return nil }
 
 func TestNestedPointerInResult(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestNestedPointerArgs, *TestNestedPointerResult]("pointerResult", func(ctx context.Context, args TestNestedPointerArgs) (*TestNestedPointerResult, error) {
+	RegisterFunction[TestNestedPointerArgs, *TestNestedPointerResult]("pointerResult", func(ctx context.Context, args TestNestedPointerArgs) (*TestNestedPointerResult, error) {
 		return &TestNestedPointerResult{Value: "test"}, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function pointerResult(id: number): TestNestedPointerResult | null;")
 }
 
@@ -167,11 +167,11 @@ func (t TestUintArgs) Validate() error { return nil }
 
 func TestUintType(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestUintArgs, uint]("uint", func(ctx context.Context, args TestUintArgs) (uint, error) {
+	RegisterFunction[TestUintArgs, uint]("uint", func(ctx context.Context, args TestUintArgs) (uint, error) {
 		return args.Value, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function uint(value: number): number;")
 }
 
@@ -183,11 +183,11 @@ func (t TestFloatArgs) Validate() error { return nil }
 
 func TestFloatType(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestFloatArgs, float32]("float", func(ctx context.Context, args TestFloatArgs) (float32, error) {
+	RegisterFunction[TestFloatArgs, float32]("float", func(ctx context.Context, args TestFloatArgs) (float32, error) {
 		return float32(args.Amount), nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function float(amount: number): number;")
 }
 
@@ -201,11 +201,11 @@ func (t TestPointerInArgs) Validate() error { return nil }
 
 func TestNestedPointerStruct(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestPointerInArgs, string]("nestedPointer", func(ctx context.Context, args TestPointerInArgs) (string, error) {
+	RegisterFunction[TestPointerInArgs, string]("nestedPointer", func(ctx context.Context, args TestPointerInArgs) (string, error) {
 		return "test", nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function nestedPointer(user?: {} | null): string;")
 }
 
@@ -217,11 +217,11 @@ func (t TestErrorOnlyArgs) Validate() error { return nil }
 
 func TestErrorOnlyReturn(t *testing.T) {
 	resetRegistry()
-	RegisterBuiltin[TestErrorOnlyArgs, struct{}]("errorOnly", func(ctx context.Context, args TestErrorOnlyArgs) (struct{}, error) {
+	RegisterFunction[TestErrorOnlyArgs, struct{}]("errorOnly", func(ctx context.Context, args TestErrorOnlyArgs) (struct{}, error) {
 		return struct{}{}, nil
 	})
 
-	defs := GetBuiltinsDeclarations()
+	defs := GetFunctionDeclarations()
 	assert.Contains(t, defs, "declare function errorOnly(input: string): {};")
 }
 
diff --git a/internal/runtime/runtime.go b/internal/runtime/runtime.go
index cab9d71..6e1c4bc 100644
--- a/internal/runtime/runtime.go
+++ b/internal/runtime/runtime.go
@@ -8,7 +8,7 @@ import (
 
 	"github.com/evanw/esbuild/pkg/api"
 	"modernc.org/quickjs"
-	"reichard.io/poiesis/internal/builtin"
+	"reichard.io/poiesis/internal/functions"
 )
 
 type Runtime struct {
@@ -59,7 +59,7 @@ func (r *Runtime) populateGlobals() error {
 	}
 
 	// Register Custom Functions
-	for name, builtin := range builtin.GetBuiltins() {
+	for name, builtin := range functions.GetRegisteredFunctions() {
 		// Register Main Function
 		if err := r.vm.RegisterFunc(name, builtin.WrapFn(r.ctx), false); err != nil {
 			return err
diff --git a/internal/standard/fetch_promise_test.go b/internal/standard/fetch_promise_test.go
deleted file mode 100644
index d550653..0000000
--- a/internal/standard/fetch_promise_test.go
+++ /dev/null
@@ -1,60 +0,0 @@
-package standard
-
-import (
-	"context"
-	"net/http"
-	"net/http/httptest"
-	"testing"
-
-	"modernc.org/quickjs"
-
-	"reichard.io/poiesis/internal/builtin"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestFetchReturnsPromise(t *testing.T) {
-	vm, err := quickjs.NewVM()
-	require.NoError(t, err)
-	defer func() {
-		_ = vm.Close()
-	}()
-	vm.SetCanBlock(true)
-
-	builtin.RegisterBuiltins(context.Background(), vm)
-
-	result, err := vm.Eval(`fetch({input: "https://example.com"})`, quickjs.EvalGlobal)
-	require.NoError(t, err)
-	assert.NotNil(t, result)
-}
-
-func TestFetchAsyncAwait(t *testing.T) {
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "application/json")
-		w.WriteHeader(http.StatusOK)
-		_, _ = w.Write([]byte(`{"status":"ok"}`))
-	}))
-	defer server.Close()
-
-	vm, err := quickjs.NewVM()
-	require.NoError(t, err)
-	defer func() {
-		_ = vm.Close()
-	}()
-	vm.SetCanBlock(true)
-
-	builtin.RegisterBuiltins(context.Background(), vm)
-
-	result, err := vm.Eval(`fetch({input: "`+server.URL+`"})`, quickjs.EvalGlobal)
-	require.NoError(t, err)
-
-	if obj, ok := result.(*quickjs.Object); ok {
-		var arr []any
-		if err := obj.Into(&arr); err == nil && len(arr) > 0 {
-			if response, ok := arr[0].(map[string]any); ok {
-				assert.True(t, response["ok"].(bool))
-			}
-		}
-	}
-}
diff --git a/internal/standard/fetch.go b/internal/stdlib/fetch.go
similarity index 84%
rename from internal/standard/fetch.go
rename to internal/stdlib/fetch.go
index 1c02b2e..0557191 100644
--- a/internal/standard/fetch.go
+++ b/internal/stdlib/fetch.go
@@ -1,4 +1,4 @@
-package standard
+package stdlib
 
 import (
 	"context"
@@ -8,9 +8,13 @@ import (
 	"net/http"
 	"strings"
 
-	"reichard.io/poiesis/internal/builtin"
+	"reichard.io/poiesis/internal/functions"
 )
 
+func init() {
+	functions.RegisterAsyncFunction("fetch", Fetch)
+}
+
 type FetchArgs struct {
 	Input string       `json:"input"`
 	Init  *RequestInit `json:"init,omitempty"`
@@ -106,17 +110,3 @@ func Fetch(_ context.Context, args FetchArgs) (Response, error) {
 		Headers: resultHeaders,
 	}, nil
 }
-
-func Add(_ context.Context, args AddArgs) (int, error) {
-	return args.A + args.B, nil
-}
-
-func Greet(_ context.Context, args GreetArgs) (string, error) {
-	return fmt.Sprintf("Hello, %s!", args.Name), nil
-}
-
-func init() {
-	builtin.RegisterAsyncBuiltin("fetch", Fetch)
-	builtin.RegisterBuiltin("add", Add)
-	builtin.RegisterBuiltin("greet", Greet)
-}
diff --git a/internal/standard/fetch_test.go b/internal/stdlib/fetch_test.go
similarity index 73%
rename from internal/standard/fetch_test.go
rename to internal/stdlib/fetch_test.go
index 2a7b605..065e3f1 100644
--- a/internal/standard/fetch_test.go
+++ b/internal/stdlib/fetch_test.go
@@ -1,4 +1,4 @@
-package standard
+package stdlib
 
 import (
 	"context"
@@ -8,6 +8,8 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"modernc.org/quickjs"
+	"reichard.io/poiesis/internal/functions"
 )
 
 func TestFetch(t *testing.T) {
@@ -97,24 +99,47 @@ func TestFetchDefaults(t *testing.T) {
 	assert.True(t, result.OK)
 }
 
-func TestAdd(t *testing.T) {
-	ctx := context.Background()
-	result, err := Add(ctx, AddArgs{A: 5, B: 10})
+func TestFetchReturnsPromise(t *testing.T) {
+	vm, err := quickjs.NewVM()
 	require.NoError(t, err)
-	assert.Equal(t, 15, result)
+	defer func() {
+		_ = vm.Close()
+	}()
+	vm.SetCanBlock(true)
 
-	result, err = Add(ctx, AddArgs{A: -3, B: 7})
+	functions.RegisterBuiltins(context.Background(), vm)
+
+	result, err := vm.Eval(`fetch({input: "https://example.com"})`, quickjs.EvalGlobal)
 	require.NoError(t, err)
-	assert.Equal(t, 4, result)
+	assert.NotNil(t, result)
 }
 
-func TestGreet(t *testing.T) {
-	ctx := context.Background()
-	result, err := Greet(ctx, GreetArgs{Name: "World"})
-	require.NoError(t, err)
-	assert.Equal(t, "Hello, World!", result)
+func TestFetchAsyncAwait(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write([]byte(`{"status":"ok"}`))
+	}))
+	defer server.Close()
 
-	result, err = Greet(ctx, GreetArgs{Name: "Alice"})
+	vm, err := quickjs.NewVM()
 	require.NoError(t, err)
-	assert.Equal(t, "Hello, Alice!", result)
+	defer func() {
+		_ = vm.Close()
+	}()
+	vm.SetCanBlock(true)
+
+	functions.RegisterBuiltins(context.Background(), vm)
+
+	result, err := vm.Eval(`fetch({input: "`+server.URL+`"})`, quickjs.EvalGlobal)
+	require.NoError(t, err)
+
+	if obj, ok := result.(*quickjs.Object); ok {
+		var arr []any
+		if err := obj.Into(&arr); err == nil && len(arr) > 0 {
+			if response, ok := arr[0].(map[string]any); ok {
+				assert.True(t, response["ok"].(bool))
+			}
+		}
+	}
 }