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    CalDAV calendars

    mcpkey · package
    io.github.ni-c/caldav-mcp · v0.1.5
    deploy just this

    Read and write CalDAV calendars: events, tasks and journal entries over the open standard

    run it

    on your own machines, one way per deploy method
    generated from the record, not tested yet
    #!/usr/bin/env bash
# caldav (io.github.ni-c/caldav-mcp), recipe baremetal (generated).
# Generated by Hub for toolset "my-agent"; started by mcp-my-agent-caldav.service.
set -euo pipefail
export HOST=127.0.0.1 PORT=8101
exec npx -y supergateway@4 --stdio 'npx -y @ni-c/[email protected]' --outputTransport streamableHttp --stateful --host 127.0.0.1 --port 8101 --streamableHttpPath /mcp --healthEndpoint /healthz

[Unit]
Description=MCP server caldav (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/caldav
WorkingDirectory=/var/lib/mcp/caldav
ExecStart=/opt/mcp/my-agent/bin/caldav.sh
Restart=on-failure
RestartSec=5
NoNewPrivileges=true
ProtectSystem=strict
ProtectHome=true
PrivateTmp=true
ReadWritePaths=/var/lib/mcp/caldav

[Install]
WantedBy=multi-user.target
    generated from the record, not tested yet
    docker run --rm -p 127.0.0.1:8101:8000 -e CALDAV_URL -e CALDAV_USERNAME -e CALDAV_PASSWORD -e CALDAV_TOKEN -e CALDAV_CALENDARS -e CALDAV_TIMEZONE -e CALDAV_USER_EMAIL -e CALDAV_MAX_EVENTS -e CALDAV_READ_ONLY -e CALDAV_INSECURE_TLS -e CALDAV_ALLOW_PLAINTEXT -e CALDAV_ALLOW_TOOLS -e CALDAV_DENY_TOOLS -e ELICITATION node:22-alpine sh -c 'npx -y supergateway@4 --stdio '"'"'npx -y @ni-c/[email protected]'"'"' --outputTransport streamableHttp --stateful --host 0.0.0.0 --port 8000 --streamableHttpPath /mcp --healthEndpoint /healthz'
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T12:24:14+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:
  caldav:
    image: node:22-alpine
    command:
    - sh
    - -c
    - npx -y supergateway@4 --stdio 'npx -y @ni-c/[email protected]' --outputTransport streamableHttp --stateful
      --host 0.0.0.0 --port 8000 --streamableHttpPath /mcp --healthEndpoint /healthz
    ports:
    - 127.0.0.1:8101:8000
    volumes:
    - npm-cache:/root/.npm
    healthcheck:
      test:
      - CMD-SHELL
      - wget -qO- http://127.0.0.1:8000/healthz || exit 1
      interval: 30s
      timeout: 5s
      retries: 5
      start_period: 2m
    restart: unless-stopped
    environment:
      CALDAV_URL: ${CALDAV_URL}
      CALDAV_USERNAME: ${CALDAV_USERNAME}
      CALDAV_PASSWORD: ${CALDAV_PASSWORD}
      CALDAV_TOKEN: ${CALDAV_TOKEN}
      CALDAV_CALENDARS: ${CALDAV_CALENDARS}
      CALDAV_TIMEZONE: ${CALDAV_TIMEZONE}
      CALDAV_USER_EMAIL: ${CALDAV_USER_EMAIL}
      CALDAV_MAX_EVENTS: ${CALDAV_MAX_EVENTS}
      CALDAV_READ_ONLY: ${CALDAV_READ_ONLY}
      CALDAV_INSECURE_TLS: ${CALDAV_INSECURE_TLS}
      CALDAV_ALLOW_PLAINTEXT: ${CALDAV_ALLOW_PLAINTEXT}
      CALDAV_ALLOW_TOOLS: ${CALDAV_ALLOW_TOOLS}
      CALDAV_DENY_TOOLS: ${CALDAV_DENY_TOOLS}
      ELICITATION: ${ELICITATION}
volumes:
  npm-cache: {}
  uv-cache: {}
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T12:24:14+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: caldav
  namespace: mcp
  labels: &id001
    app: caldav
spec:
  replicas: 1
  selector:
    matchLabels: *id001
  template:
    metadata:
      labels: *id001
    spec:
      containers:
      - name: caldav
        image: node:22-alpine
        ports:
        - containerPort: 8000
          name: http
        env:
        - name: CALDAV_URL
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_URL
        - name: CALDAV_USERNAME
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_USERNAME
        - name: CALDAV_PASSWORD
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_PASSWORD
        - name: CALDAV_TOKEN
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_TOKEN
        - name: CALDAV_CALENDARS
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_CALENDARS
        - name: CALDAV_TIMEZONE
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_TIMEZONE
        - name: CALDAV_USER_EMAIL
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_USER_EMAIL
        - name: CALDAV_MAX_EVENTS
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_MAX_EVENTS
        - name: CALDAV_READ_ONLY
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_READ_ONLY
        - name: CALDAV_INSECURE_TLS
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_INSECURE_TLS
        - name: CALDAV_ALLOW_PLAINTEXT
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_ALLOW_PLAINTEXT
        - name: CALDAV_ALLOW_TOOLS
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_ALLOW_TOOLS
        - name: CALDAV_DENY_TOOLS
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CALDAV_DENY_TOOLS
        - name: ELICITATION
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: ELICITATION
        command:
        - sh
        - -c
        - npx -y supergateway@4 --stdio 'npx -y @ni-c/[email protected]' --outputTransport streamableHttp
          --stateful --host 0.0.0.0 --port 8000 --streamableHttpPath /mcp --healthEndpoint /healthz
        readinessProbe:
          httpGet:
            path: /healthz
            port: http
          initialDelaySeconds: 10
---
apiVersion: v1
kind: Service
metadata:
  name: caldav
  namespace: mcp
spec:
  selector:
    app: caldav
  ports:
  - port: 8000
    targetPort: http
    name: http
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T12:24:14+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:
  caldav:
    enabled: true
    replicas: 1
    port: 8000
    path: /mcp
    container:
      name: caldav
      image: node:22-alpine
      ports:
      - containerPort: 8000
        name: http
      env:
      - name: CALDAV_URL
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_URL
      - name: CALDAV_USERNAME
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_USERNAME
      - name: CALDAV_PASSWORD
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_PASSWORD
      - name: CALDAV_TOKEN
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_TOKEN
      - name: CALDAV_CALENDARS
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_CALENDARS
      - name: CALDAV_TIMEZONE
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_TIMEZONE
      - name: CALDAV_USER_EMAIL
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_USER_EMAIL
      - name: CALDAV_MAX_EVENTS
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_MAX_EVENTS
      - name: CALDAV_READ_ONLY
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_READ_ONLY
      - name: CALDAV_INSECURE_TLS
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_INSECURE_TLS
      - name: CALDAV_ALLOW_PLAINTEXT
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_ALLOW_PLAINTEXT
      - name: CALDAV_ALLOW_TOOLS
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_ALLOW_TOOLS
      - name: CALDAV_DENY_TOOLS
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CALDAV_DENY_TOOLS
      - name: ELICITATION
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: ELICITATION
      command:
      - sh
      - -c
      - npx -y supergateway@4 --stdio 'npx -y @ni-c/[email protected]' --outputTransport streamableHttp
        --stateful --host 0.0.0.0 --port 8000 --streamableHttpPath /mcp --healthEndpoint /healthz
      readinessProbe:
        httpGet:
          path: /healthz
          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
    deploy to koyeb

    The form opens with CHANGE_ME for each value you supply: CALDAV_URL, CALDAV_USERNAME, CALDAV_PASSWORD, CALDAV_TOKEN, CALDAV_CALENDARS, CALDAV_TIMEZONE, CALDAV_USER_EMAIL, CALDAV_MAX_EVENTS, CALDAV_READ_ONLY, CALDAV_INSECURE_TLS, CALDAV_ALLOW_PLAINTEXT, CALDAV_ALLOW_TOOLS, CALDAV_DENY_TOOLS, ELICITATION. Fill them in before you deploy.

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

    azure
    deploy to azuretemplate

    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
    npx -y @ni-c/[email protected]
# env: CALDAV_URL, CALDAV_USERNAME, CALDAV_PASSWORD, CALDAV_TOKEN, CALDAV_CALENDARS, CALDAV_TIMEZONE, CALDAV_USER_EMAIL, CALDAV_MAX_EVENTS, CALDAV_READ_ONLY, CALDAV_INSECURE_TLS, CALDAV_ALLOW_PLAINTEXT, CALDAV_ALLOW_TOOLS, CALDAV_DENY_TOOLS, ELICITATION
    {
  "mcpServers": {
    "caldav": {
      "command": "npx",
      "args": [
        "-y",
        "@ni-c/[email protected]"
      ],
      "env": {
        "CALDAV_URL": "${CALDAV_URL}",
        "CALDAV_USERNAME": "${CALDAV_USERNAME}",
        "CALDAV_PASSWORD": "${CALDAV_PASSWORD}",
        "CALDAV_TOKEN": "${CALDAV_TOKEN}",
        "CALDAV_CALENDARS": "${CALDAV_CALENDARS}",
        "CALDAV_TIMEZONE": "${CALDAV_TIMEZONE}",
        "CALDAV_USER_EMAIL": "${CALDAV_USER_EMAIL}",
        "CALDAV_MAX_EVENTS": "${CALDAV_MAX_EVENTS}",
        "CALDAV_READ_ONLY": "${CALDAV_READ_ONLY}",
        "CALDAV_INSECURE_TLS": "${CALDAV_INSECURE_TLS}",
        "CALDAV_ALLOW_PLAINTEXT": "${CALDAV_ALLOW_PLAINTEXT}",
        "CALDAV_ALLOW_TOOLS": "${CALDAV_ALLOW_TOOLS}",
        "CALDAV_DENY_TOOLS": "${CALDAV_DENY_TOOLS}",
        "ELICITATION": "${ELICITATION}"
      }
    }
  }
}
    #!/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 caldav -e "CALDAV_URL=${CALDAV_URL}" -e "CALDAV_USERNAME=${CALDAV_USERNAME}" -e "CALDAV_PASSWORD=${CALDAV_PASSWORD}" -e "CALDAV_TOKEN=${CALDAV_TOKEN}" -e "CALDAV_CALENDARS=${CALDAV_CALENDARS}" -e "CALDAV_TIMEZONE=${CALDAV_TIMEZONE}" -e "CALDAV_USER_EMAIL=${CALDAV_USER_EMAIL}" -e "CALDAV_MAX_EVENTS=${CALDAV_MAX_EVENTS}" -e "CALDAV_READ_ONLY=${CALDAV_READ_ONLY}" -e "CALDAV_INSECURE_TLS=${CALDAV_INSECURE_TLS}" -e "CALDAV_ALLOW_PLAINTEXT=${CALDAV_ALLOW_PLAINTEXT}" -e "CALDAV_ALLOW_TOOLS=${CALDAV_ALLOW_TOOLS}" -e "CALDAV_DENY_TOOLS=${CALDAV_DENY_TOOLS}" -e "ELICITATION=${ELICITATION}" -- npx -y @ni-c/[email protected]

    {
  "mcpServers": {
    "caldav": {
      "command": "npx",
      "args": [
        "-y",
        "@ni-c/[email protected]"
      ],
      "env": {
        "CALDAV_URL": "${CALDAV_URL}",
        "CALDAV_USERNAME": "${CALDAV_USERNAME}",
        "CALDAV_PASSWORD": "${CALDAV_PASSWORD}",
        "CALDAV_TOKEN": "${CALDAV_TOKEN}",
        "CALDAV_CALENDARS": "${CALDAV_CALENDARS}",
        "CALDAV_TIMEZONE": "${CALDAV_TIMEZONE}",
        "CALDAV_USER_EMAIL": "${CALDAV_USER_EMAIL}",
        "CALDAV_MAX_EVENTS": "${CALDAV_MAX_EVENTS}",
        "CALDAV_READ_ONLY": "${CALDAV_READ_ONLY}",
        "CALDAV_INSECURE_TLS": "${CALDAV_INSECURE_TLS}",
        "CALDAV_ALLOW_PLAINTEXT": "${CALDAV_ALLOW_PLAINTEXT}",
        "CALDAV_ALLOW_TOOLS": "${CALDAV_ALLOW_TOOLS}",
        "CALDAV_DENY_TOOLS": "${CALDAV_DENY_TOOLS}",
        "ELICITATION": "${ELICITATION}"
      }
    }
  }
}
    {
  "servers": {
    "caldav": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@ni-c/[email protected]"
      ],
      "env": {
        "CALDAV_URL": "${CALDAV_URL}",
        "CALDAV_USERNAME": "${CALDAV_USERNAME}",
        "CALDAV_PASSWORD": "${CALDAV_PASSWORD}",
        "CALDAV_TOKEN": "${CALDAV_TOKEN}",
        "CALDAV_CALENDARS": "${CALDAV_CALENDARS}",
        "CALDAV_TIMEZONE": "${CALDAV_TIMEZONE}",
        "CALDAV_USER_EMAIL": "${CALDAV_USER_EMAIL}",
        "CALDAV_MAX_EVENTS": "${CALDAV_MAX_EVENTS}",
        "CALDAV_READ_ONLY": "${CALDAV_READ_ONLY}",
        "CALDAV_INSECURE_TLS": "${CALDAV_INSECURE_TLS}",
        "CALDAV_ALLOW_PLAINTEXT": "${CALDAV_ALLOW_PLAINTEXT}",
        "CALDAV_ALLOW_TOOLS": "${CALDAV_ALLOW_TOOLS}",
        "CALDAV_DENY_TOOLS": "${CALDAV_DENY_TOOLS}",
        "ELICITATION": "${ELICITATION}"
      }
    }
  }
}
    name: my-agent
target: local
servers:
- hub: io.github.ni-c/caldav-mcp
    • 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.