diff --git a/README.md b/README.md
index 626daf5..40bd54c 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Downloads a compiled sketch.
 Parameters:
 
 - `id` is the returned `id` from `/compile`
-- `board` specifies which compiled file should be downloaded. Posibile values `sensebox-mcu` or `sensebox`
+- `board` specifies which compiled file should be downloaded. Possible values `sensebox-mcu` or `sensebox`
 - `filename` name for the sketch. Default value is `sketch`
 
 ```
@@ -73,6 +73,24 @@ Responses have a `content-type: application/octet-stream` header and contain the
 
 It also have a `Content-Disposition: attachment; filename:{filename}.bin|hex` header to force download.
 
+#### `GET /libraries`
+
+Shows a list of all installed Arduino libraries.
+
+```
+https://compiler.sensebox.de/libraries
+```
+
+Parameters:
+
+- `format` specifies the output format. Possible value: `json`
+
+```
+https://compiler.sensebox.de/libraries?format=json
+```
+
+Will return a list of all installed libraries in JSON format.
+
 ## Scaling with docker-compose
 
 Newer versions of docker allows to give the same alias to multiple containers in the same network. We exploit this to run multiple instances at the same time to balance load.
@@ -84,13 +102,3 @@ Just start multiple instances using
     docker-compose up -d --scale compiler=4
 
 Then reference the containers by its `compiler` alias and multiple requests will be served by different containers.
-
-## In the container
-
-### Compiling senseBox MCU Sketches Examples
-
-    arduino-builder -hardware /arduino-ide/hardware -hardware /root/.arduino15/packages -tools /arduino-ide/tools-builder -tools /root/.arduino15/packages -libraries /arduino-ide/libraries -fqbn=sensebox:samd:sb:power=on -build-cache /arduino-ide/build-cache -build-path /arduino-ide/builds /root/.arduino15/packages/sensebox/hardware/samd/1.0.4/libraries/senseBox/examples/Blink/Blink.ino
-
-### Compiling for Arduino Uno
-
-    arduino-builder -hardware /arduino-ide/hardware -hardware /root/.arduino15/packages -tools /arduino-ide/tools-builder -tools /root/.arduino15/packages -libraries /arduino-ide/libraries -fqbn=arduino:avr:uno -build-cache /arduino-ide/build-cache -build-path /arduino-ide/builds /root/.arduino15/packages/sensebox/hardware/samd/1.0.4/libraries/senseBox/examples/Blink/Blink.ino