diff --git a/src/auto-reply/reply.directive.test.ts b/src/auto-reply/reply.directive.test.ts
index a6014e8f9..1f8d44242 100644
--- a/src/auto-reply/reply.directive.test.ts
+++ b/src/auto-reply/reply.directive.test.ts
@@ -124,6 +124,25 @@ describe("directive parsing", () => {
     expect(res.thinkLevel).toBe("high");
   });
 
+  it("does not match /think followed by extra letters", () => {
+    // e.g. someone typing "/think" + extra letter "hink"
+    const res = extractThinkDirective("/thinkstuff");
+    expect(res.hasDirective).toBe(false);
+  });
+
+  it("matches /think with no argument", () => {
+    const res = extractThinkDirective("/think");
+    expect(res.hasDirective).toBe(true);
+    expect(res.thinkLevel).toBeUndefined();
+    expect(res.rawLevel).toBeUndefined();
+  });
+
+  it("matches /t with no argument", () => {
+    const res = extractThinkDirective("/t");
+    expect(res.hasDirective).toBe(true);
+    expect(res.thinkLevel).toBeUndefined();
+  });
+
   it("matches queue directive", () => {
     const res = extractQueueDirective("please /queue interrupt now");
     expect(res.hasDirective).toBe(true);
@@ -355,6 +374,51 @@ describe("directive parsing", () => {
     });
   });
 
+  it("shows current think level when /think has no argument", async () => {
+    await withTempHome(async (home) => {
+      vi.mocked(runEmbeddedPiAgent).mockReset();
+
+      const res = await getReplyFromConfig(
+        { Body: "/think", From: "+1222", To: "+1222" },
+        {},
+        {
+          agent: {
+            model: "anthropic/claude-opus-4-5",
+            workspace: path.join(home, "clawd"),
+            thinkingDefault: "high",
+          },
+          session: { store: path.join(home, "sessions.json") },
+        },
+      );
+
+      const text = Array.isArray(res) ? res[0]?.text : res?.text;
+      expect(text).toContain("Current thinking level: high");
+      expect(runEmbeddedPiAgent).not.toHaveBeenCalled();
+    });
+  });
+
+  it("shows off when /think has no argument and no default set", async () => {
+    await withTempHome(async (home) => {
+      vi.mocked(runEmbeddedPiAgent).mockReset();
+
+      const res = await getReplyFromConfig(
+        { Body: "/think", From: "+1222", To: "+1222" },
+        {},
+        {
+          agent: {
+            model: "anthropic/claude-opus-4-5",
+            workspace: path.join(home, "clawd"),
+          },
+          session: { store: path.join(home, "sessions.json") },
+        },
+      );
+
+      const text = Array.isArray(res) ? res[0]?.text : res?.text;
+      expect(text).toContain("Current thinking level: off");
+      expect(runEmbeddedPiAgent).not.toHaveBeenCalled();
+    });
+  });
+
   it("rejects invalid elevated level", async () => {
     await withTempHome(async (home) => {
       vi.mocked(runEmbeddedPiAgent).mockReset();
diff --git a/src/auto-reply/reply.ts b/src/auto-reply/reply.ts
index e7f95bb0d..a63c33cbd 100644
--- a/src/auto-reply/reply.ts
+++ b/src/auto-reply/reply.ts
@@ -469,6 +469,9 @@ export async function getReplyFromConfig(
       isGroup,
     })
   ) {
+    const currentThinkLevel =
+      (sessionEntry?.thinkingLevel as ThinkLevel | undefined) ??
+      (agentCfg?.thinkingDefault as ThinkLevel | undefined);
     const directiveReply = await handleDirectiveOnly({
       cfg,
       directives,
@@ -488,6 +491,7 @@ export async function getReplyFromConfig(
       model,
       initialModelLabel,
       formatModelSwitchEvent,
+      currentThinkLevel,
     });
     typing.cleanup();
     return directiveReply;
diff --git a/src/auto-reply/reply/directive-handling.ts b/src/auto-reply/reply/directive-handling.ts
index 5c368721c..9b0276786 100644
--- a/src/auto-reply/reply/directive-handling.ts
+++ b/src/auto-reply/reply/directive-handling.ts
@@ -309,6 +309,7 @@ export async function handleDirectiveOnly(params: {
   model: string;
   initialModelLabel: string;
   formatModelSwitchEvent: (label: string, alias?: string) => string;
+  currentThinkLevel?: ThinkLevel;
 }): Promise<ReplyPayload | undefined> {
   const {
     directives,
@@ -326,6 +327,7 @@ export async function handleDirectiveOnly(params: {
     resetModelOverride,
     initialModelLabel,
     formatModelSwitchEvent,
+    currentThinkLevel,
   } = params;
 
   if (directives.hasModelDirective) {
@@ -379,8 +381,13 @@ export async function handleDirectiveOnly(params: {
   }
 
   if (directives.hasThinkDirective && !directives.thinkLevel) {
+    // If no argument was provided, show the current level
+    if (!directives.rawThinkLevel) {
+      const level = currentThinkLevel ?? "off";
+      return { text: `Current thinking level: ${level}.` };
+    }
     return {
-      text: `Unrecognized thinking level "${directives.rawThinkLevel ?? ""}". Valid levels: off, minimal, low, medium, high.`,
+      text: `Unrecognized thinking level "${directives.rawThinkLevel}". Valid levels: off, minimal, low, medium, high.`,
     };
   }
   if (directives.hasVerboseDirective && !directives.verboseLevel) {
diff --git a/src/auto-reply/reply/directives.ts b/src/auto-reply/reply/directives.ts
index f1eacaccb..613ded005 100644
--- a/src/auto-reply/reply/directives.ts
+++ b/src/auto-reply/reply/directives.ts
@@ -16,9 +16,9 @@ export function extractThinkDirective(body?: string): {
   hasDirective: boolean;
 } {
   if (!body) return { cleaned: "", hasDirective: false };
-  // Match the longest keyword first to avoid partial captures (e.g. "/think:high")
+  // Match with optional argument - require word boundary via lookahead after keyword
   const match = body.match(
-    /(?:^|\s)\/(?:thinking|think|t)\s*:?\s*([a-zA-Z-]+)\b/i,
+    /(?:^|\s)\/(?:thinking|think|t)(?=$|\s|:)(?:\s*:?\s*([a-zA-Z-]+)\b)?/i,
   );
   const thinkLevel = normalizeThinkLevel(match?.[1]);
   const cleaned = match