diff --git a/.agents/frameworks/opencode/plugin.ts b/.agents/frameworks/opencode/plugin.ts
index fa73dd5..bba0cc6 100644
--- a/.agents/frameworks/opencode/plugin.ts
+++ b/.agents/frameworks/opencode/plugin.ts
@@ -280,7 +280,11 @@ export const AgentSupportPlugin: Plugin = async ({ $, directory }) => {
           tool_input: input.args ?? {},
           tool_response: (output.response as string).slice(0, 500), // truncated for hook
         });
-        await runHook("post-tool-use.sh", hookInput);
+        const postToolOutput = await runHook("post-tool-use.sh", hookInput);
+        const postToolContext = parseAdditionalContext(postToolOutput);
+        if (postToolContext) {
+          output.response = `${output.response}\n\n${postToolContext}`;
+        }
       }
     },