diff --git a/Cargo.toml b/Cargo.toml
index 2e480ff..5ebd02c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,8 @@ name = "grit"
 version = "0.1.0"
 edition = "2021"
 description = "Coordination layer for parallel AI agents on top of git"
+keywords = ["git", "ai-agents", "experimental", "ast", "coordination"]
+categories = ["development-tools", "command-line-utilities"]
 
 [dependencies]
 # CLI
diff --git a/README.md b/README.md
index fe12110..8db017a 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # grit
 
+> **⚠️ EXPERIMENTAL — This project is in active testing. APIs and behavior may change without notice.**
+
 **Git for AI agents — zero merge conflicts, any number of parallel agents, same codebase.**
 
 > When 50 agents work on the same repo, git breaks. Grit doesn't.