diff --git a/extensions/slack/src/channel-actions.ts b/extensions/slack/src/channel-actions.ts
index 6a68d9f7036..22defb26750 100644
--- a/extensions/slack/src/channel-actions.ts
+++ b/extensions/slack/src/channel-actions.ts
@@ -24,15 +24,16 @@ export function createSlackActions(
 ): ChannelMessageActionAdapter {
   function describeMessageTool({
     cfg,
+    accountId,
   }: Parameters<
     NonNullable<ChannelMessageActionAdapter["describeMessageTool"]>
   >[0]): ChannelMessageToolDiscovery {
-    const actions = listSlackMessageActions(cfg);
+    const actions = listSlackMessageActions(cfg, accountId);
     const capabilities = new Set<"blocks" | "interactive">();
     if (actions.includes("send")) {
       capabilities.add("blocks");
     }
-    if (isSlackInteractiveRepliesEnabled({ cfg })) {
+    if (isSlackInteractiveRepliesEnabled({ cfg, accountId })) {
       capabilities.add("interactive");
     }
     return {
diff --git a/extensions/slack/src/channel.test.ts b/extensions/slack/src/channel.test.ts
index 84e7d90453b..0c98b3c1383 100644
--- a/extensions/slack/src/channel.test.ts
+++ b/extensions/slack/src/channel.test.ts
@@ -109,6 +109,75 @@ describe("slackPlugin actions", () => {
     });
   });
 
+  it("honors the selected Slack account during message tool discovery", () => {
+    const cfg: OpenClawConfig = {
+      channels: {
+        slack: {
+          botToken: "xoxb-root",
+          appToken: "xapp-root",
+          actions: {
+            reactions: false,
+            messages: false,
+            pins: false,
+            memberInfo: false,
+            emojiList: false,
+          },
+          capabilities: {
+            interactiveReplies: false,
+          },
+          accounts: {
+            default: {
+              botToken: "xoxb-default",
+              appToken: "xapp-default",
+              actions: {
+                reactions: false,
+                messages: false,
+                pins: false,
+                memberInfo: false,
+                emojiList: false,
+              },
+              capabilities: {
+                interactiveReplies: false,
+              },
+            },
+            work: {
+              botToken: "xoxb-work",
+              appToken: "xapp-work",
+              actions: {
+                reactions: true,
+                messages: true,
+                pins: false,
+                memberInfo: false,
+                emojiList: false,
+              },
+              capabilities: {
+                interactiveReplies: true,
+              },
+            },
+          },
+        },
+      },
+    };
+
+    expect(slackPlugin.actions?.describeMessageTool?.({ cfg, accountId: "default" })).toMatchObject({
+      actions: ["send"],
+      capabilities: ["blocks"],
+    });
+    expect(slackPlugin.actions?.describeMessageTool?.({ cfg, accountId: "work" })).toMatchObject({
+      actions: [
+        "send",
+        "react",
+        "reactions",
+        "read",
+        "edit",
+        "delete",
+        "download-file",
+        "upload-file",
+      ],
+      capabilities: expect.arrayContaining(["blocks", "interactive"]),
+    });
+  });
+
   it("keeps blocks optional in the message tool schema", () => {
     const discovery = slackPlugin.actions?.describeMessageTool({
       cfg: {
diff --git a/extensions/slack/src/message-actions.test.ts b/extensions/slack/src/message-actions.test.ts
index bd7fd66ed00..5b21e127cc2 100644
--- a/extensions/slack/src/message-actions.test.ts
+++ b/extensions/slack/src/message-actions.test.ts
@@ -19,4 +19,55 @@ describe("listSlackMessageActions", () => {
       expect.arrayContaining(["read", "edit", "delete", "download-file", "upload-file"]),
     );
   });
+
+  it("honors the selected Slack account during discovery", () => {
+    const cfg = {
+      channels: {
+        slack: {
+          botToken: "xoxb-root",
+          actions: {
+            reactions: false,
+            messages: false,
+            pins: false,
+            memberInfo: false,
+            emojiList: false,
+          },
+          accounts: {
+            default: {
+              botToken: "xoxb-default",
+              actions: {
+                reactions: false,
+                messages: false,
+                pins: false,
+                memberInfo: false,
+                emojiList: false,
+              },
+            },
+            work: {
+              botToken: "xoxb-work",
+              actions: {
+                reactions: true,
+                messages: true,
+                pins: false,
+                memberInfo: false,
+                emojiList: false,
+              },
+            },
+          },
+        },
+      },
+    } as OpenClawConfig;
+
+    expect(listSlackMessageActions(cfg, "default")).toEqual(["send"]);
+    expect(listSlackMessageActions(cfg, "work")).toEqual([
+      "send",
+      "react",
+      "reactions",
+      "read",
+      "edit",
+      "delete",
+      "download-file",
+      "upload-file",
+    ]);
+  });
 });
diff --git a/extensions/slack/src/message-actions.ts b/extensions/slack/src/message-actions.ts
index b0bcce45327..b7423893a44 100644
--- a/extensions/slack/src/message-actions.ts
+++ b/extensions/slack/src/message-actions.ts
@@ -2,12 +2,16 @@ import { createActionGate } from "openclaw/plugin-sdk/agent-runtime";
 import type { ChannelMessageActionName } from "openclaw/plugin-sdk/channel-contract";
 import type { OpenClawConfig } from "openclaw/plugin-sdk/config-runtime";
 import type { ChannelToolSend } from "openclaw/plugin-sdk/tool-send";
-import { listEnabledSlackAccounts } from "./accounts.js";
+import { listEnabledSlackAccounts, resolveSlackAccount } from "./accounts.js";
 
-export function listSlackMessageActions(cfg: OpenClawConfig): ChannelMessageActionName[] {
-  const accounts = listEnabledSlackAccounts(cfg).filter(
-    (account) => account.botTokenSource !== "none",
-  );
+export function listSlackMessageActions(
+  cfg: OpenClawConfig,
+  accountId?: string | null,
+): ChannelMessageActionName[] {
+  const accounts = (accountId
+    ? [resolveSlackAccount({ cfg, accountId })]
+    : listEnabledSlackAccounts(cfg)
+  ).filter((account) => account.enabled && account.botTokenSource !== "none");
   if (accounts.length === 0) {
     return [];
   }