diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index 684f87e..ce8938b 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -21,6 +21,17 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  typos-check:
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions Repository
+        uses: actions/checkout@v3
+      - name: Check spelling with custom config file
+        uses: crate-ci/typos@v1.16.2
+        with:
+          config: ./typos.toml
+
   test:
     name: test
     strategy:
diff --git a/agent/pkg/app/config.go b/agent/pkg/app/config.go
index 19b41f8..73ab589 100644
--- a/agent/pkg/app/config.go
+++ b/agent/pkg/app/config.go
@@ -11,7 +11,7 @@ func configFromCLI(c *cli.Context) config.Config {
 
 	// server
 	cfg.Server.Dev = c.Bool(flagDev)
-	cfg.Server.ServerPort = c.Int(flageServerPort)
+	cfg.Server.ServerPort = c.Int(flagServerPort)
 	cfg.Server.ReadTimeout = c.Duration(flagServerReadTimeout)
 	cfg.Server.WriteTimeout = c.Duration(flagServerWriteTimeout)
 
diff --git a/agent/pkg/app/root.go b/agent/pkg/app/root.go
index e6bd2d8..871a326 100644
--- a/agent/pkg/app/root.go
+++ b/agent/pkg/app/root.go
@@ -21,7 +21,7 @@ const (
 	flagDev   = "dev"
 
 	// server
-	flageServerPort        = "server-port"
+	flagServerPort        = "server-port"
 	flagServerReadTimeout  = "server-read-timeout"
 	flagServerWriteTimeout = "server-write-timeout"
 
@@ -89,7 +89,7 @@ func New() App {
 			Usage: "enable development mode",
 		},
 		&cli.IntFlag{
-			Name:    flageServerPort,
+			Name:    flagServerPort,
 			Value:   8081,
 			Usage:   "port to listen on",
 			EnvVars: []string{"MODELZ_AGENT_SERVER_PORT"},
diff --git a/agent/pkg/prom/prometheus_query.go b/agent/pkg/prom/prometheus_query.go
index 0019f48..2b293bf 100644
--- a/agent/pkg/prom/prometheus_query.go
+++ b/agent/pkg/prom/prometheus_query.go
@@ -77,7 +77,7 @@ func (q PrometheusQuery) Fetch(query string) (*VectorQueryResponse, error) {
 
 	unmarshalErr := json.Unmarshal(bytesOut, &values)
 	if unmarshalErr != nil {
-		return nil, fmt.Errorf("error unmarshaling result: %s, '%s'", unmarshalErr, string(bytesOut))
+		return nil, fmt.Errorf("error unmarshalling result: %s, '%s'", unmarshalErr, string(bytesOut))
 	}
 
 	return &values, nil
diff --git a/agent/pkg/runtime/util_domain.go b/agent/pkg/runtime/util_domain.go
index 3fac331..bc0429a 100644
--- a/agent/pkg/runtime/util_domain.go
+++ b/agent/pkg/runtime/util_domain.go
@@ -11,7 +11,7 @@ const (
 )
 
 const (
-	// stdLen is a standard length of uniuri string to achive ~95 bits of entropy.
+	// stdLen is a standard length of uniuri string to achieve ~95 bits of entropy.
 	stdLen = 16
 )
 
diff --git a/autoscaler/pkg/autoscaler/scaler.go b/autoscaler/pkg/autoscaler/scaler.go
index cd05c00..51d3598 100644
--- a/autoscaler/pkg/autoscaler/scaler.go
+++ b/autoscaler/pkg/autoscaler/scaler.go
@@ -306,7 +306,7 @@ func (s *Scaler) AutoScale(interval time.Duration) {
 					"service":           service,
 					"replicas":          totalReplicas,
 					"expectedReplicas":  expectedReplicas,
-					"availabelReplicas": availableReplicas,
+					"availableReplicas": availableReplicas,
 					"currentLoad":       lc.CurrentLoad,
 					"targetLoad":        targetLoad,
 					"zeroDuration":      zeroDuration,
diff --git a/autoscaler/pkg/prom/prom.go b/autoscaler/pkg/prom/prom.go
index 4436544..794c590 100644
--- a/autoscaler/pkg/prom/prom.go
+++ b/autoscaler/pkg/prom/prom.go
@@ -64,7 +64,7 @@ func (q PrometheusQuery) Fetch(query string) (*VectorQueryResponse, error) {
 
 	unmarshalErr := json.Unmarshal(bytesOut, &values)
 	if unmarshalErr != nil {
-		return nil, fmt.Errorf("error unmarshaling result: %s, '%s'", unmarshalErr, string(bytesOut))
+		return nil, fmt.Errorf("error unmarshalling result: %s, '%s'", unmarshalErr, string(bytesOut))
 	}
 
 	return &values, nil
diff --git a/ingress-operator/pkg/controller/v1/controller_test.go b/ingress-operator/pkg/controller/v1/controller_test.go
index a38fd4b..b6ccee4 100644
--- a/ingress-operator/pkg/controller/v1/controller_test.go
+++ b/ingress-operator/pkg/controller/v1/controller_test.go
@@ -152,7 +152,7 @@ func Test_makeRules_Traefik_NestedPath_TrimsRegex_And_TrailingSlash(t *testing.T
 	}
 }
 
-func Test_makTLS(t *testing.T) {
+func Test_makeTLS(t *testing.T) {
 
 	cases := []struct {
 		name     string
diff --git a/mdz/pkg/server/agentd_run.go b/mdz/pkg/server/agentd_run.go
index 2bef043..9c16080 100644
--- a/mdz/pkg/server/agentd_run.go
+++ b/mdz/pkg/server/agentd_run.go
@@ -11,7 +11,7 @@ type agentDRunStep struct {
 }
 
 // TODO(gaocegege): There is still a bug, thus it cannot be used actually.
-// The process wil exit after the command returns. We need to put it in systemd.
+// The process will exit after the command returns. We need to put it in systemd.
 func (s *agentDRunStep) Run() error {
 	fmt.Fprintf(s.options.OutputStream, "🚧 Running the agent for docker runtime...\n")
 	cmd := exec.Command("/bin/sh", "-c", "mdz local-agent &")
diff --git a/mdz/pkg/server/engine.go b/mdz/pkg/server/engine.go
index 91573a3..f92ccec 100644
--- a/mdz/pkg/server/engine.go
+++ b/mdz/pkg/server/engine.go
@@ -116,7 +116,6 @@ func NewJoin(o Options) (*Engine, error) {
 	return &Engine{
 		options: o,
 		Steps: []Step{
-			// Kill all k3s and related tools.
 			&k3sJoinStep{
 				options: o,
 			},
diff --git a/modelzetes/pkg/app/root.go b/modelzetes/pkg/app/root.go
index bfef40d..e98bf5d 100644
--- a/modelzetes/pkg/app/root.go
+++ b/modelzetes/pkg/app/root.go
@@ -21,7 +21,7 @@ const (
 	flagDebug = "debug"
 
 	// metrics
-	flageMetricsServerPort = "metrics-server-port"
+	flagMetricsServerPort = "metrics-server-port"
 
 	// kubernetes
 	flagMasterURL    = "master-url"
@@ -73,7 +73,7 @@ func New() App {
 			EnvVars: []string{"DEBUG"},
 		},
 		&cli.IntFlag{
-			Name:    flageMetricsServerPort,
+			Name:    flagMetricsServerPort,
 			Value:   8081,
 			Usage:   "port to listen on",
 			EnvVars: []string{"MODELZETES_SERVER_PORT"},
diff --git a/modelzetes/pkg/k8s/proxy.go b/modelzetes/pkg/k8s/proxy.go
index c05b24d..e5662f8 100644
--- a/modelzetes/pkg/k8s/proxy.go
+++ b/modelzetes/pkg/k8s/proxy.go
@@ -109,6 +109,6 @@ func (l *FunctionLookup) verifyNamespace(name string) error {
 	if name != "kube-system" {
 		return nil
 	}
-	// ToDo use global namepace parse and validation
+	// ToDo use global namespace parse and validation
 	return fmt.Errorf("namespace not allowed")
 }
diff --git a/typos.toml b/typos.toml
new file mode 100644
index 0000000..b4298e3
--- /dev/null
+++ b/typos.toml
@@ -0,0 +1,5 @@
+[files]
+extend-exclude = ["CHANGELOG.md", "go.mod", "go.sum"]
+[default.extend-words]
+requestor = "requestor"
+ba = "ba"