diff --git a/README.md b/README.md
index 9675ce1e7..43f3dffb1 100644
--- a/README.md
+++ b/README.md
@@ -662,6 +662,8 @@ PROMPT_TEMPLATE=./prompts/chat-with-bob.txt PROMPT_CACHE_FILE=bob.prompt.bin \
 
 The `grammars/` folder contains a handful of sample grammars. To write your own, check out the [GBNF Guide](./grammars/README.md).
 
+For authoring more complex JSON grammars, you can also check out https://grammar.intrinsiclabs.ai/, a browser app that that lets you write TypeScript interfaces which it compiles to GBNF grammars that you can save for local use.
+
 ### Instruction mode with Alpaca
 
 1. First, download the `ggml` Alpaca model into the `./models` folder