diff --git a/packages/opencode/src/mcp/index.ts b/packages/opencode/src/mcp/index.ts
index e5dbaefa418..16a112323cb 100644
--- a/packages/opencode/src/mcp/index.ts
+++ b/packages/opencode/src/mcp/index.ts
@@ -27,6 +27,7 @@ import { McpOAuthCallback } from "./oauth-callback"
 import { McpAuth } from "./auth"
 import { EventV2Bridge } from "@/event-v2-bridge"
 import { TuiEvent } from "@/server/tui-event"
+import { Event } from "@opencode-ai/schema/event"
 import open from "open"
 import { Cause, Effect, Exit, Layer, Context, Schema, Stream } from "effect"
 import { EffectBridge } from "@/effect/bridge"
@@ -61,7 +62,13 @@ export type Resource = Schema.Schema.Type<typeof Resource>
 
 export const ToolsChanged = McpEvent.ToolsChanged
 
-export const BrowserOpenFailed = McpEvent.BrowserOpenFailed
+export const BrowserOpenFailed = Event.define({
+  type: "mcp.browser.open.failed",
+  schema: {
+    mcpName: Schema.String,
+    url: Schema.String,
+  },
+})
 
 export const Failed = NamedError.create("MCPFailed", {
   name: Schema.String,
diff --git a/packages/schema/src/mcp-event.ts b/packages/schema/src/mcp-event.ts
index 1d050df9273..f373d6402cd 100644
--- a/packages/schema/src/mcp-event.ts
+++ b/packages/schema/src/mcp-event.ts
@@ -10,12 +10,4 @@ export const ToolsChanged = Event.define({
   },
 })
 
-export const BrowserOpenFailed = Event.define({
-  type: "mcp.browser.open.failed",
-  schema: {
-    mcpName: Schema.String,
-    url: Schema.String,
-  },
-})
-
-export const Definitions = Event.inventory(ToolsChanged, BrowserOpenFailed)
+export const Definitions = Event.inventory(ToolsChanged)
diff --git a/packages/sdk/js/src/v2/gen/types.gen.ts b/packages/sdk/js/src/v2/gen/types.gen.ts
index 9259dad9411..f434c1ee4b1 100644
--- a/packages/sdk/js/src/v2/gen/types.gen.ts
+++ b/packages/sdk/js/src/v2/gen/types.gen.ts
@@ -80,7 +80,6 @@ export type Event =
   | EventTuiToastShow2
   | EventTuiSessionSelect2
   | EventMcpToolsChanged
-  | EventMcpBrowserOpenFailed
   | EventCommandExecuted
   | EventProjectUpdated
   | EventSessionStatus
@@ -1513,14 +1512,6 @@ export type GlobalEvent = {
           server: string
         }
       }
-    | {
-        id: string
-        type: "mcp.browser.open.failed"
-        properties: {
-          mcpName: string
-          url: string
-        }
-      }
     | {
         id: string
         type: "command.executed"
@@ -2999,7 +2990,6 @@ export type V2Event =
   | TuiToastShow
   | TuiSessionSelect
   | McpToolsChanged
-  | McpBrowserOpenFailed
   | CommandExecuted
   | ProjectUpdated
   | SessionStatus2
@@ -6036,24 +6026,6 @@ export type McpToolsChanged = {
   }
 }
 
-export type McpBrowserOpenFailed = {
-  id: string
-  metadata?: {
-    [key: string]: unknown
-  }
-  type: "mcp.browser.open.failed"
-  durable?: {
-    aggregateID: string
-    seq: number
-    version: number
-  }
-  location?: LocationRef
-  data: {
-    mcpName: string
-    url: string
-  }
-}
-
 export type CommandExecuted = {
   id: string
   metadata?: {
@@ -7117,15 +7089,6 @@ export type EventMcpToolsChanged = {
   }
 }
 
-export type EventMcpBrowserOpenFailed = {
-  id: string
-  type: "mcp.browser.open.failed"
-  properties: {
-    mcpName: string
-    url: string
-  }
-}
-
 export type EventCommandExecuted = {
   id: string
   type: "command.executed"