diff --git a/packages/opencode/src/session/prompt.ts b/packages/opencode/src/session/prompt.ts
index 1d3d74509..99d44cd85 100644
--- a/packages/opencode/src/session/prompt.ts
+++ b/packages/opencode/src/session/prompt.ts
@@ -454,6 +454,7 @@ export namespace SessionPrompt {
             tool: "task",
             sessionID,
             callID: part.id,
+            args: taskArgs,
           },
           result,
         )
@@ -805,6 +806,7 @@ export namespace SessionPrompt {
               tool: item.id,
               sessionID: ctx.sessionID,
               callID: ctx.callID,
+              args,
             },
             result,
           )
@@ -850,6 +852,7 @@ export namespace SessionPrompt {
             tool: key,
             sessionID: ctx.sessionID,
             callID: opts.toolCallId,
+            args,
           },
           result,
         )
diff --git a/packages/plugin/src/index.ts b/packages/plugin/src/index.ts
index 4cc84a5f3..664f2c967 100644
--- a/packages/plugin/src/index.ts
+++ b/packages/plugin/src/index.ts
@@ -187,7 +187,7 @@ export interface Hooks {
   ) => Promise<void>
   "shell.env"?: (input: { cwd: string }, output: { env: Record<string, string> }) => Promise<void>
   "tool.execute.after"?: (
-    input: { tool: string; sessionID: string; callID: string },
+    input: { tool: string; sessionID: string; callID: string; args: any },
     output: {
       title: string
       output: string