diff --git a/src/java/com/threerings/presents/annotation/AnyThread.java b/src/java/com/threerings/presents/annotation/AnyThread.java
new file mode 100644
index 000000000..1d2beb2b0
--- /dev/null
+++ b/src/java/com/threerings/presents/annotation/AnyThread.java
@@ -0,0 +1,39 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.presents.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * An annotation indicating that a particular method in a class is safe to be called from any
+ * thread. This is not allowed on a class because it serves purely as documentation to demonstrate
+ * specific situations where methods are intended to be used by both the event dispatch and
+ * blocking threads which are generally uncommon.
+ */
+@Target(value=ElementType.METHOD)
+@Retention(value=RetentionPolicy.SOURCE)
+public @interface AnyThread
+{
+}
diff --git a/src/java/com/threerings/presents/annotation/BlockingThread.java b/src/java/com/threerings/presents/annotation/BlockingThread.java
new file mode 100644
index 000000000..dc59cfa5f
--- /dev/null
+++ b/src/java/com/threerings/presents/annotation/BlockingThread.java
@@ -0,0 +1,41 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.presents.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * An annotation indicating that a particular method or all methods in a class (that are not
+ * otherwise explicitly annotated) should only be called while on a servlet or invoker thread
+ * (threads which allow blocking).
+ *
+ * NOTE: These annotations are currently merely advisory, but someday we would like to use AspectJ
+ * or something like that to inject code that enforces these requirements on dev server builds.
+ */
+@Target(value={ ElementType.METHOD, ElementType.TYPE })
+@Retention(value=RetentionPolicy.SOURCE)
+public @interface BlockingThread
+{
+}
diff --git a/src/java/com/threerings/presents/annotation/EventThread.java b/src/java/com/threerings/presents/annotation/EventThread.java
new file mode 100644
index 000000000..de19dae1a
--- /dev/null
+++ b/src/java/com/threerings/presents/annotation/EventThread.java
@@ -0,0 +1,41 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.presents.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * An annotation indicating that a particular method or all methods in a class (that are not
+ * otherwise explicitly annotated) should only be called while on the distributed object event
+ * dispatch thread.
+ *
+ * NOTE: These annotations are currently merely advisory, but someday we would like to use AspectJ
+ * or something like that to inject code that enforces these requirements on dev server builds.
+ */
+@Target(value={ ElementType.METHOD, ElementType.TYPE })
+@Retention(value=RetentionPolicy.SOURCE)
+public @interface EventThread
+{
+}