diff --git a/src/sequentialthinking/README.md b/src/sequentialthinking/README.md
index d7a03dca05..fd90b9b111 100644
--- a/src/sequentialthinking/README.md
+++ b/src/sequentialthinking/README.md
@@ -77,6 +77,9 @@ Add this to your `claude_desktop_config.json`:
 }
 ```
 
+To disable logging of thought information set env var: `DISABLE_THOUGHT_LOGGING` to `true`.
+Comment
+
 ### Usage with VS Code
 
 For quick installation, click one of the installation buttons below...
diff --git a/src/sequentialthinking/index.ts b/src/sequentialthinking/index.ts
index c10301d707..bd486fdbb0 100644
--- a/src/sequentialthinking/index.ts
+++ b/src/sequentialthinking/index.ts
@@ -25,6 +25,11 @@ interface ThoughtData {
 class SequentialThinkingServer {
   private thoughtHistory: ThoughtData[] = [];
   private branches: Record<string, ThoughtData[]> = {};
+  private disableThoughtLogging: boolean;
+
+  constructor() {
+    this.disableThoughtLogging = (process.env.DISABLE_THOUGHT_LOGGING || "").toLowerCase() === "true";
+  }
 
   private validateThoughtData(input: unknown): ThoughtData {
     const data = input as Record<string, unknown>;
@@ -100,8 +105,10 @@ class SequentialThinkingServer {
         this.branches[validatedInput.branchId].push(validatedInput);
       }
 
-      const formattedThought = this.formatThought(validatedInput);
-      console.error(formattedThought);
+      if (!this.disableThoughtLogging) {
+        const formattedThought = this.formatThought(validatedInput);
+        console.error(formattedThought);
+      }
 
       return {
         content: [{