diff --git a/basis/core-foundation/run-loop/authors.txt b/basis/core-foundation/run-loop/authors.txt
new file mode 100644
index 0000000000..1901f27a24
--- /dev/null
+++ b/basis/core-foundation/run-loop/authors.txt
@@ -0,0 +1 @@
+Slava Pestov
diff --git a/basis/core-foundation/run-loop/summary.txt b/basis/core-foundation/run-loop/summary.txt
new file mode 100644
index 0000000000..ae92138528
--- /dev/null
+++ b/basis/core-foundation/run-loop/summary.txt
@@ -0,0 +1 @@
+CoreFoundation run loop integration
diff --git a/basis/core-foundation/run-loop/thread/authors.txt b/basis/core-foundation/run-loop/thread/authors.txt
new file mode 100644
index 0000000000..1901f27a24
--- /dev/null
+++ b/basis/core-foundation/run-loop/thread/authors.txt
@@ -0,0 +1 @@
+Slava Pestov
diff --git a/basis/core-foundation/run-loop/thread/summary.txt b/basis/core-foundation/run-loop/thread/summary.txt
new file mode 100644
index 0000000000..e5818b3d78
--- /dev/null
+++ b/basis/core-foundation/run-loop/thread/summary.txt
@@ -0,0 +1 @@
+Vocabulary with init hook for running CoreFoundation event loop
diff --git a/basis/core-foundation/run-loop/thread/tags.txt b/basis/core-foundation/run-loop/thread/tags.txt
new file mode 100644
index 0000000000..6bf68304bb
--- /dev/null
+++ b/basis/core-foundation/run-loop/thread/tags.txt
@@ -0,0 +1 @@
+unportable