diff --git a/doc/std/init.im b/doc/std/init.im
new file mode 100644
index 0000000..38e75d0
--- /dev/null
+++ b/doc/std/init.im
@@ -0,0 +1 @@
+package std
diff --git a/doc/std/io/StreamReader.im b/doc/std/io/StreamReader.im
new file mode 100644
index 0000000..9b079cb
--- /dev/null
+++ b/doc/std/io/StreamReader.im
@@ -0,0 +1,5 @@
+package std.io
+
+protocol StreamReader
+    - get:buf
+end
diff --git a/doc/std/io/StreamWriter.im b/doc/std/io/StreamWriter.im
new file mode 100644
index 0000000..b1ec45b
--- /dev/null
+++ b/doc/std/io/StreamWriter.im
@@ -0,0 +1,7 @@
+package std.io
+
+protocol StreamWriter
+    - flush
+    - print:msg
+    - put:msg
+end
diff --git a/doc/std/io/init.im b/doc/std/io/init.im
new file mode 100644
index 0000000..21b454c
--- /dev/null
+++ b/doc/std/io/init.im
@@ -0,0 +1,5 @@
+package std.io
+
+cin = StreamReader new
+cout = StreamWriter new
+cerr = StreamWriter new
diff --git a/doc/std/lang/Bool.im b/doc/std/lang/Bool.im
new file mode 100644
index 0000000..4bdbccb
--- /dev/null
+++ b/doc/std/lang/Bool.im
@@ -0,0 +1,5 @@
+package std.lang
+
+protocol Bool
+    - if:
+    - if:else:
diff --git a/doc/std/lang/Int.im b/doc/std/lang/Int.im
new file mode 100644
index 0000000..2bffee2
--- /dev/null
+++ b/doc/std/lang/Int.im
@@ -0,0 +1,8 @@
+package std.lang
+
+protocol Int
+    + parse:
+    - to:
+    - to:step:
+    - to:step:do:
+end
diff --git a/doc/std/lang/Iterator.im b/doc/std/lang/Iterator.im
new file mode 100644
index 0000000..fa42fc8
--- /dev/null
+++ b/doc/std/lang/Iterator.im
@@ -0,0 +1,9 @@
+package std.lang
+
+protocol Iterator
+    - value
+    - moveNext
+    - select:
+    - select:collect:
+    - iterator
+end
diff --git a/doc/std/lang/Lambda.im b/doc/std/lang/Lambda.im
new file mode 100644
index 0000000..1855539
--- /dev/null
+++ b/doc/std/lang/Lambda.im
@@ -0,0 +1,14 @@
+package std.lang
+
+protocol Lambda
+    - argCount
+    - call
+    - call:
+    - call(_:_:)
+    - call(_:_:_:)
+    - call(_:_:_:_:)
+    - call(args:)
+    - on:do:
+    - if:
+    - unless:
+end
diff --git a/doc/std/lang/Object.im b/doc/std/lang/Object.im
new file mode 100644
index 0000000..d9da691
--- /dev/null
+++ b/doc/std/lang/Object.im
@@ -0,0 +1,10 @@
+package std.lang
+
+protocol Object
+    - is:
+    - implements:
+    - respondsTo:
+    - doesNotUnderstand(selector:args:)
+    - sendMsg(selector:args:)
+    - toString
+end
diff --git a/doc/std/lang/Package.im b/doc/std/lang/Package.im
new file mode 100644
index 0000000..65c7c3b
--- /dev/null
+++ b/doc/std/lang/Package.im
@@ -0,0 +1,12 @@
+package std.lang
+
+protocol Package
+    - size
+    - iterator
+    - exists:
+    - put:at:
+    - get:
+    - map:
+    - select:
+    - select:collect:
+end
diff --git a/doc/std/lang/Selector.im b/doc/std/lang/Selector.im
new file mode 100644
index 0000000..b439ba9
--- /dev/null
+++ b/doc/std/lang/Selector.im
@@ -0,0 +1,5 @@
+package std.lang
+
+protocol Selector
+    + parse
+end
diff --git a/doc/std/lang/String.im b/doc/std/lang/String.im
new file mode 100644
index 0000000..02482b6
--- /dev/null
+++ b/doc/std/lang/String.im
@@ -0,0 +1,12 @@
+package std.lang
+
+protocol String
+    - size
+    - uppercase
+    - lowercase
+    - append:
+    - prepend:
+    - at:insert:
+    - contains:
+    - iterator
+end
diff --git a/doc/std/lang/init.im b/doc/std/lang/init.im
new file mode 100644
index 0000000..e69de29