diff --git a/.changeset/fresh-composers-slot.md b/.changeset/fresh-composers-slot.md
new file mode 100644
index 0000000000..9c6c47b3c6
--- /dev/null
+++ b/.changeset/fresh-composers-slot.md
@@ -0,0 +1,5 @@
+---
+"@opencode-ai/cli": patch
+---
+
+Expose a TUI plugin slot above the session composer.
diff --git a/packages/tui/src/routes/session/index.tsx b/packages/tui/src/routes/session/index.tsx
index 76f490453f..adeb207940 100644
--- a/packages/tui/src/routes/session/index.tsx
+++ b/packages/tui/src/routes/session/index.tsx
@@ -928,6 +928,7 @@ export function Session() {
               </Show>
             </scrollbox>
             <box flexShrink={0}>
+              <PluginSlot name="session.composer.top" input={{ sessionID: route.sessionID }} />
               <Composer
                 sessionID={route.sessionID}
                 open={composer.open || (!!session()?.parentID && forms().length === 0)}