diff --git a/packages/shared/src/environment-support.test.ts b/packages/shared/src/environment-support.test.ts
index 94926016ae..0b462267ba 100644
--- a/packages/shared/src/environment-support.test.ts
+++ b/packages/shared/src/environment-support.test.ts
@@ -7,6 +7,15 @@ import {
 } from "./environment-support.js";
 
 describe("isSandboxProviderSupportedForAdapter", () => {
+  it("treats Paperclip Runner as a remote-managed adapter", () => {
+    expect(adapterSupportsRemoteManagedEnvironments("paperclip_runner")).toBe(true);
+    expect(supportedEnvironmentDriversForAdapter("paperclip_runner")).toEqual([
+      "local",
+      "ssh",
+      "sandbox",
+    ]);
+  });
+
   it("accepts additional sandbox providers for remote-managed adapters", () => {
     expect(
       isSandboxProviderSupportedForAdapter("codex_local", "fake-plugin", ["fake-plugin"]),
diff --git a/packages/shared/src/environment-support.ts b/packages/shared/src/environment-support.ts
index 5bb5a076ea..ab10a20e17 100644
--- a/packages/shared/src/environment-support.ts
+++ b/packages/shared/src/environment-support.ts
@@ -67,6 +67,7 @@ export interface EnvironmentCapabilities {
 const REMOTE_MANAGED_ADAPTERS = new Set<AgentAdapterType>([
   "claude_local",
   "codex_local",
+  "paperclip_runner",
   "cursor",
   "gemini_local",
   "grok_local",