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    Spark SQL

    mcpkey · package
    io.github.aidancorrell/spark-sql-mcp-server · v0.1.2
    deploy just this

    Query Spark SQL clusters via Thrift/HiveServer2. Works with Spark, EMR, Hive, Impala.

    run it

    on your own machines, one way per deploy method
    generated from the record, not tested yet
    #!/usr/bin/env bash
    # spark-sql (io.github.aidancorrell/spark-sql-mcp-server), recipe baremetal (generated).
    # Generated by Hub for toolset "my-agent"; started by mcp-my-agent-spark-sql.service.
    set -euo pipefail
    export HOST=127.0.0.1 PORT=8101
    exec uvx mcp-proxy --host 127.0.0.1 --port 8101 --pass-environment -- uvx spark-sql-mcp-server==0.1.2
    
    [Unit]
    Description=MCP server spark-sql (toolset my-agent), generated by Hub
    After=network-online.target
    Wants=network-online.target
    
    [Service]
    Type=simple
    User=mcp
    Group=mcp
    EnvironmentFile=/etc/mcp/my-agent.env
    Environment=HOME=/var/lib/mcp/spark-sql
    WorkingDirectory=/var/lib/mcp/spark-sql
    ExecStart=/opt/mcp/my-agent/bin/spark-sql.sh
    Restart=on-failure
    RestartSec=5
    NoNewPrivileges=true
    ProtectSystem=strict
    ProtectHome=true
    PrivateTmp=true
    ReadWritePaths=/var/lib/mcp/spark-sql
    
    [Install]
    WantedBy=multi-user.target
    
    generated from the record, not tested yet
    docker run --rm -p 127.0.0.1:8101:8000 -e SPARK_HOST -e SPARK_PORT -e SPARK_DATABASE -e SPARK_AUTH -e SPARK_USERNAME -e SPARK_PASSWORD -e SPARK_KERBEROS_SERVICE_NAME ghcr.io/astral-sh/uv:python3.12-bookworm-slim sh -c 'uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx spark-sql-mcp-server==0.1.2'
    
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T03:12:33+00:00).
    # Each package server runs behind a stdio->HTTP bridge and listens on localhost only.
    #   cp .env.example .env    # fill the ${VAR}s
    #   docker compose up -d && bash smoke.sh
    # Remote servers are not here: clients reach them directly (see clients/).
    name: mcp-my-agent
    services:
      spark-sql:
        image: ghcr.io/astral-sh/uv:python3.12-bookworm-slim
        command:
        - sh
        - -c
        - uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx spark-sql-mcp-server==0.1.2
        ports:
        - 127.0.0.1:8101:8000
        volumes:
        - uv-cache:/root/.cache/uv
        healthcheck:
          test:
          - CMD
          - python3
          - -c
          - import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/status')
          interval: 30s
          timeout: 5s
          retries: 5
          start_period: 2m
        restart: unless-stopped
        environment:
          SPARK_HOST: ${SPARK_HOST}
          SPARK_PORT: ${SPARK_PORT}
          SPARK_DATABASE: ${SPARK_DATABASE}
          SPARK_AUTH: ${SPARK_AUTH}
          SPARK_USERNAME: ${SPARK_USERNAME}
          SPARK_PASSWORD: ${SPARK_PASSWORD}
          SPARK_KERBEROS_SERVICE_NAME: ${SPARK_KERBEROS_SERVICE_NAME}
    volumes:
      npm-cache: {}
      uv-cache: {}
    
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T03:12:33+00:00).
    #   kubectl create namespace mcp
    #   kubectl -n mcp create secret generic mcp-credentials --from-env-file=.env
    #   kubectl apply -f kubernetes.yaml
    # Services are cluster-internal: <name>.mcp.svc.cluster.local:8000/mcp. Put an ingress
    # with auth in front before exposing any of them.
    apiVersion: v1
    kind: Namespace
    metadata:
      name: mcp
    ---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: spark-sql
      namespace: mcp
      labels: &id001
        app: spark-sql
    spec:
      replicas: 1
      selector:
        matchLabels: *id001
      template:
        metadata:
          labels: *id001
        spec:
          containers:
          - name: spark-sql
            image: ghcr.io/astral-sh/uv:python3.12-bookworm-slim
            ports:
            - containerPort: 8000
              name: http
            env:
            - name: SPARK_HOST
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: SPARK_HOST
            - name: SPARK_PORT
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: SPARK_PORT
            - name: SPARK_DATABASE
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: SPARK_DATABASE
            - name: SPARK_AUTH
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: SPARK_AUTH
            - name: SPARK_USERNAME
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: SPARK_USERNAME
            - name: SPARK_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: SPARK_PASSWORD
            - name: SPARK_KERBEROS_SERVICE_NAME
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: SPARK_KERBEROS_SERVICE_NAME
            command:
            - sh
            - -c
            - uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx spark-sql-mcp-server==0.1.2
            readinessProbe:
              httpGet:
                path: /status
                port: http
              initialDelaySeconds: 10
    ---
    apiVersion: v1
    kind: Service
    metadata:
      name: spark-sql
      namespace: mcp
    spec:
      selector:
        app: spark-sql
      ports:
      - port: 8000
        targetPort: http
        name: http
    
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T03:12:33+00:00).
    # Credentials come from the Secret 'mcp-credentials' (kubectl create secret generic ... --from-env-file=.env).
    # Each server under `servers` is one Deployment + Service; the keys after it configure
    # upstream charts a worker verified.
    servers:
      spark-sql:
        enabled: true
        replicas: 1
        port: 8000
        path: /mcp
        container:
          name: spark-sql
          image: ghcr.io/astral-sh/uv:python3.12-bookworm-slim
          ports:
          - containerPort: 8000
            name: http
          env:
          - name: SPARK_HOST
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: SPARK_HOST
          - name: SPARK_PORT
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: SPARK_PORT
          - name: SPARK_DATABASE
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: SPARK_DATABASE
          - name: SPARK_AUTH
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: SPARK_AUTH
          - name: SPARK_USERNAME
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: SPARK_USERNAME
          - name: SPARK_PASSWORD
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: SPARK_PASSWORD
          - name: SPARK_KERBEROS_SERVICE_NAME
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: SPARK_KERBEROS_SERVICE_NAME
          command:
          - sh
          - -c
          - uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx spark-sql-mcp-server==0.1.2
          readinessProbe:
            httpGet:
              path: /status
              port: http
            initialDelaySeconds: 10
    
    # helm install my-agent helm/my-agent -n mcp
    

    in the cloud

    one click: the provider's deploy form opens filled in, in your own account
    koyeb

    The form opens with CHANGE_ME for each value you supply: SPARK_HOST, SPARK_PORT, SPARK_DATABASE, SPARK_AUTH, SPARK_USERNAME, SPARK_PASSWORD, SPARK_KERBEROS_SERVICE_NAME. Fill them in before you deploy.

    Clients connect to the service's https://…koyeb.app address plus /mcp.

    azure

    A Container Apps environment with one app per server, each with HTTPS ingress and one replica. The portal asks for each value you supply as a secure parameter; the deployment's outputs list the endpoints.

    connect to it

    copy what your client needs
    uvx spark-sql-mcp-server==0.1.2
    # env: SPARK_HOST, SPARK_PORT, SPARK_DATABASE, SPARK_AUTH, SPARK_USERNAME, SPARK_PASSWORD, SPARK_KERBEROS_SERVICE_NAME
    {
      "mcpServers": {
        "spark-sql": {
          "command": "uvx",
          "args": [
            "spark-sql-mcp-server==0.1.2"
          ],
          "env": {
            "SPARK_HOST": "${SPARK_HOST}",
            "SPARK_PORT": "${SPARK_PORT}",
            "SPARK_DATABASE": "${SPARK_DATABASE}",
            "SPARK_AUTH": "${SPARK_AUTH}",
            "SPARK_USERNAME": "${SPARK_USERNAME}",
            "SPARK_PASSWORD": "${SPARK_PASSWORD}",
            "SPARK_KERBEROS_SERVICE_NAME": "${SPARK_KERBEROS_SERVICE_NAME}"
          }
        }
      }
    }
    #!/usr/bin/env bash
    # Registers every server with Claude Code (run once; `claude mcp list` to check).
    set -euo pipefail
    set -a; [ -f .env ] && source .env; set +a
    claude mcp add spark-sql -e "SPARK_HOST=${SPARK_HOST}" -e "SPARK_PORT=${SPARK_PORT}" -e "SPARK_DATABASE=${SPARK_DATABASE}" -e "SPARK_AUTH=${SPARK_AUTH}" -e "SPARK_USERNAME=${SPARK_USERNAME}" -e "SPARK_PASSWORD=${SPARK_PASSWORD}" -e "SPARK_KERBEROS_SERVICE_NAME=${SPARK_KERBEROS_SERVICE_NAME}" -- uvx spark-sql-mcp-server==0.1.2
    
    {
      "mcpServers": {
        "spark-sql": {
          "command": "uvx",
          "args": [
            "spark-sql-mcp-server==0.1.2"
          ],
          "env": {
            "SPARK_HOST": "${SPARK_HOST}",
            "SPARK_PORT": "${SPARK_PORT}",
            "SPARK_DATABASE": "${SPARK_DATABASE}",
            "SPARK_AUTH": "${SPARK_AUTH}",
            "SPARK_USERNAME": "${SPARK_USERNAME}",
            "SPARK_PASSWORD": "${SPARK_PASSWORD}",
            "SPARK_KERBEROS_SERVICE_NAME": "${SPARK_KERBEROS_SERVICE_NAME}"
          }
        }
      }
    }
    {
      "servers": {
        "spark-sql": {
          "type": "stdio",
          "command": "uvx",
          "args": [
            "spark-sql-mcp-server==0.1.2"
          ],
          "env": {
            "SPARK_HOST": "${SPARK_HOST}",
            "SPARK_PORT": "${SPARK_PORT}",
            "SPARK_DATABASE": "${SPARK_DATABASE}",
            "SPARK_AUTH": "${SPARK_AUTH}",
            "SPARK_USERNAME": "${SPARK_USERNAME}",
            "SPARK_PASSWORD": "${SPARK_PASSWORD}",
            "SPARK_KERBEROS_SERVICE_NAME": "${SPARK_KERBEROS_SERVICE_NAME}"
          }
        }
      }
    }
    name: my-agent
    target: local
    servers:
    - hub: io.github.aidancorrell/spark-sql-mcp-server
    
    • not probed yet: tools unpinned, ingest lists them

    tools

    Not probed yetThe tools appear once the hub or its worker has listed this entry. Running it still works: your client lists them on first start.