Deployment

The server runs on the NRP Nautilus Kubernetes cluster.

Hosted endpoint

https://duckdb-mcp.nrp-nautilus.io/mcp

• 2 replicas, each cloning this repo at startup and running server.py via uv
• 16 Gi RAM requested, up to 160 Gi / 16 CPU per pod
• HAProxy ingress with CORS enabled, 10-minute query timeout, 1-hour SSE tunnel timeout

Kubernetes manifests

kubectl apply -f k8s/deployment.yaml
kubectl apply -f k8s/service.yaml
kubectl apply -f k8s/ingress.yaml

Redeploying after a push

After pushing changes to main, restart the pods so they re-clone the repo:

kubectl rollout restart deployment/duckdb-mcp

Environment variables

Variable	Default	Description
STAC_CATALOG_URL	NRP public catalog	URL of the STAC catalog to serve
THREADS	100	DuckDB thread count (S3 workloads are I/O-bound)
PORT	8000	HTTP server port