diff --git a/lib/tunnelbroker/tunnelbroker-context.js b/lib/tunnelbroker/tunnelbroker-context.js
new file mode 100644
--- /dev/null
+++ b/lib/tunnelbroker/tunnelbroker-context.js
@@ -0,0 +1,80 @@
+// @flow
+
+import invariant from 'invariant';
+import * as React from 'react';
+
+import { type TunnelbrokerMessage } from '../types/tunnelbroker/messages.js';
+import type { ConnectionInitializationMessage } from '../types/tunnelbroker/session-types.js';
+
+export type ClientMessageToDevice = {
+  +deviceID: string,
+  +payload: string,
+};
+
+export type TunnelbrokerSocketListener = (
+  message: TunnelbrokerMessage,
+) => mixed;
+
+type TunnelbrokerContextType = {
+  +sendMessage: (message: ClientMessageToDevice) => Promise<void>,
+  +addListener: (listener: TunnelbrokerSocketListener) => void,
+  +removeListener: (listener: TunnelbrokerSocketListener) => void,
+  +connected: boolean,
+};
+
+const TunnelbrokerContext: React.Context<?TunnelbrokerContextType> =
+  React.createContext<?TunnelbrokerContextType>();
+
+type Props = {
+  +children: React.Node,
+  +initMessage: ?ConnectionInitializationMessage,
+};
+
+function TunnelbrokerProvider(props: Props): React.Node {
+  const { children } = props;
+  const [connected] = React.useState(false);
+  const listeners = React.useRef<Set<TunnelbrokerSocketListener>>(new Set());
+
+  const sendMessage: () => Promise<void> = React.useCallback(() => {
+    return new Promise(() => {});
+  }, []);
+
+  const addListener = React.useCallback(
+    (listener: TunnelbrokerSocketListener) => {
+      listeners.current.add(listener);
+    },
+    [],
+  );
+
+  const removeListener = React.useCallback(
+    (listener: TunnelbrokerSocketListener) => {
+      listeners.current.delete(listener);
+    },
+    [],
+  );
+
+  const value: TunnelbrokerContextType = React.useMemo(
+    () => ({
+      sendMessage,
+      connected,
+      addListener,
+      removeListener,
+    }),
+    [addListener, connected, removeListener, sendMessage],
+  );
+
+  return (
+    <TunnelbrokerContext.Provider value={value}>
+      {children}
+    </TunnelbrokerContext.Provider>
+  );
+}
+
+function useTunnelbroker(): TunnelbrokerContextType {
+  const context = React.useContext(TunnelbrokerContext);
+  invariant(context, 'TunnelbrokerContext not found');
+
+  return context;
+}
+
+export { TunnelbrokerProvider, useTunnelbroker };