diff --git a/.devcontainer/backend/Dockerfile b/.devcontainer/backend/Dockerfile
index 6a1cc120..59aa0cb6 100644
--- a/.devcontainer/backend/Dockerfile
+++ b/.devcontainer/backend/Dockerfile
@@ -64,4 +64,13 @@ RUN apt install -y wget gnupg2 lsb-release
 RUN echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" | sudo tee /etc/apt/sources.list.d/pgdg.list
 RUN wget -qO - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
 RUN apt update
-RUN apt install -y postgresql-14
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+RUN apt install -y postgresql-14
+
+# Install Claude
+USER ${USER}
+RUN curl -fsSL https://claude.ai/install.sh | bash \
+    && export PATH="/home/${USER}/.local/bin:${PATH}" \
+    && claude plugin marketplace add JuliusBrussee/caveman \
+    && claude plugin install caveman@caveman
+ENV PATH="/home/vscode/.local/bin:${PATH}"
+USER root
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