Claude Science on O2


# Original doc:
https://claude.com/docs/claude-science/run-on-remote-linux-server

# Before running the software, please make sure you read and follow HMS data security policies:
https://it.hms.harvard.edu/about/policies-and-guidelines/generative-ai-guidelines

# on O2, 
# prepare singularity home folder 
# and configure claude sandbox hard fail to false
mkdir -p /n/scratch/users/${USER:0:1}/$USER/claude-home/.claude-science/ 
echo sandbox.hard_fail=false >> /n/scratch/users/${USER:0:1}/$USER/claude-home/.claude-science/config.toml



# on you local Mac 
# add this to your .bashrc
# make sure replace 'your_HMS_ID' with your real HMS ID
claude() {
  CLUSTER_USER=your_HMS_ID
  PORT=$(( (RANDOM % 20000) + 40000 ))
  ssh -L "$PORT:127.0.0.1:$PORT" "$CLUSTER_USER"@o2.hms.harvard.edu -t "
    hostname; echo port is: $PORT;
    lsof -t -i:$PORT 2>/dev/null | xargs -r kill -9 2>/dev/null || true;
    srun --pty -p priority -t 8:0:0 --tunnel $PORT:$PORT bash -lc '
      hostname; echo port is: $PORT;
      lsof -t -i:$PORT 2>/dev/null | xargs -r kill -9 2>/dev/null || true;
      apptainer exec --no-mount cwd --home /n/scratch/users/${CLUSTER_USER:0:1}/$CLUSTER_USER/claude-home /n/app/containers/users/$CLUSTER_USER/claude-science.sif \
      claude-science serve --no-browser --port '"$PORT"';
    '
  "
};

# source the .bashrc file (only need to this after modifying .bashrc).
source .bashrc 

# then run: 
claude

# then CMD+click this url on the terminal: 
http://localhost:45164/?nonce=c791e1554abc5facaf18d7a4b1f5f55c9fbbbc31a4b68d890f2dc70a0323e1