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    CTFd

    mcpkey · package
    io.github.MrJamescot/ctfd-mcp-server · v1.0.4
    deploy just this

    MCP server for CTFd v3: list challenges, submit flags, and query scoreboards via AI agents.

    run it

    on your own machines, one way per deploy method
    generated from the record, not tested yet
    # once, as root:
# as_mcp DIR COMMAND...: runs COMMAND as the mcp user in DIR, its home, sandboxed as the
# units are: a package's install scripts can write to DIR only, as the server later can
as_mcp() {
  local dir="$1"; shift
  systemd-run --quiet --wait --pipe --collect --uid=mcp --gid=mcp \
    -p WorkingDirectory="$dir" -p Environment=HOME="$dir" -p ReadWritePaths="$dir" \
    -p NoNewPrivileges=true -p ProtectSystem=strict -p ProtectHome=true -p PrivateTmp=true \
    -- "$@" </dev/null
}
install -d -m 0750 -o mcp -g mcp /var/lib/mcp/ctfd
# ctfd: its packages, installed whole before its unit starts (no session installs)
systemctl stop mcp-my-agent-ctfd.service 2>/dev/null || true
as_mcp /var/lib/mcp/ctfd uv tool install ctfd-mcp-server==1.0.4
as_mcp /var/lib/mcp/ctfd uv tool install mcp-proxy

#!/usr/bin/env bash
# ctfd (io.github.MrJamescot/ctfd-mcp-server), recipe baremetal (generated).
# Generated by Hub for toolset "my-agent"; started by mcp-my-agent-ctfd.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 ctfd-mcp-server==1.0.4

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

[Install]
WantedBy=multi-user.target
    generated from the record, not tested yet
    docker run --rm -p 127.0.0.1:8101:8000 -e CTFD_BASE_URL -e CTFD_ADMIN_TOKEN -e CTFD_SESSION_COOKIE -e CTFD_USERNAME -e CTFD_PASSWORD -e CTFD_HTTP_TIMEOUT ghcr.io/astral-sh/uv:python3.12-bookworm-slim sh -c 'uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx ctfd-mcp-server==1.0.4'
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T23:12:44+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:
  ctfd:
    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 ctfd-mcp-server==1.0.4
    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:
      CTFD_BASE_URL: ${CTFD_BASE_URL}
      CTFD_ADMIN_TOKEN: ${CTFD_ADMIN_TOKEN}
      CTFD_SESSION_COOKIE: ${CTFD_SESSION_COOKIE}
      CTFD_USERNAME: ${CTFD_USERNAME}
      CTFD_PASSWORD: ${CTFD_PASSWORD}
      CTFD_HTTP_TIMEOUT: ${CTFD_HTTP_TIMEOUT}
volumes:
  npm-cache: {}
  uv-cache: {}
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T23:12:44+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: ctfd
  namespace: mcp
  labels: &id001
    app: ctfd
spec:
  replicas: 1
  selector:
    matchLabels: *id001
  template:
    metadata:
      labels: *id001
    spec:
      containers:
      - name: ctfd
        image: ghcr.io/astral-sh/uv:python3.12-bookworm-slim
        ports:
        - containerPort: 8000
          name: http
        env:
        - name: CTFD_BASE_URL
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CTFD_BASE_URL
        - name: CTFD_ADMIN_TOKEN
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CTFD_ADMIN_TOKEN
        - name: CTFD_SESSION_COOKIE
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CTFD_SESSION_COOKIE
        - name: CTFD_USERNAME
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CTFD_USERNAME
        - name: CTFD_PASSWORD
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CTFD_PASSWORD
        - name: CTFD_HTTP_TIMEOUT
          valueFrom:
            secretKeyRef:
              name: mcp-credentials
              key: CTFD_HTTP_TIMEOUT
        args:
        - sh
        - -c
        - uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx ctfd-mcp-server==1.0.4
        readinessProbe:
          httpGet:
            path: /status
            port: http
          initialDelaySeconds: 10
---
apiVersion: v1
kind: Service
metadata:
  name: ctfd
  namespace: mcp
spec:
  selector:
    app: ctfd
  ports:
  - port: 8000
    targetPort: http
    name: http
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T23:12:44+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:
  ctfd:
    enabled: true
    replicas: 1
    port: 8000
    path: /mcp
    container:
      name: ctfd
      image: ghcr.io/astral-sh/uv:python3.12-bookworm-slim
      ports:
      - containerPort: 8000
        name: http
      env:
      - name: CTFD_BASE_URL
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CTFD_BASE_URL
      - name: CTFD_ADMIN_TOKEN
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CTFD_ADMIN_TOKEN
      - name: CTFD_SESSION_COOKIE
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CTFD_SESSION_COOKIE
      - name: CTFD_USERNAME
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CTFD_USERNAME
      - name: CTFD_PASSWORD
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CTFD_PASSWORD
      - name: CTFD_HTTP_TIMEOUT
        valueFrom:
          secretKeyRef:
            name: mcp-credentials
            key: CTFD_HTTP_TIMEOUT
      args:
      - sh
      - -c
      - uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx ctfd-mcp-server==1.0.4
      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
    deploy to koyeb

    The form opens with CHANGE_ME for each value you supply: CTFD_BASE_URL, CTFD_ADMIN_TOKEN, CTFD_SESSION_COOKIE, CTFD_USERNAME, CTFD_PASSWORD, CTFD_HTTP_TIMEOUT. 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
    uvx ctfd-mcp-server==1.0.4
# env: CTFD_BASE_URL, CTFD_ADMIN_TOKEN, CTFD_SESSION_COOKIE, CTFD_USERNAME, CTFD_PASSWORD, CTFD_HTTP_TIMEOUT
    {
  "mcpServers": {
    "ctfd": {
      "command": "uvx",
      "args": [
        "ctfd-mcp-server==1.0.4"
      ],
      "env": {
        "CTFD_BASE_URL": "${CTFD_BASE_URL}",
        "CTFD_ADMIN_TOKEN": "${CTFD_ADMIN_TOKEN}",
        "CTFD_SESSION_COOKIE": "${CTFD_SESSION_COOKIE}",
        "CTFD_USERNAME": "${CTFD_USERNAME}",
        "CTFD_PASSWORD": "${CTFD_PASSWORD}",
        "CTFD_HTTP_TIMEOUT": "${CTFD_HTTP_TIMEOUT}"
      }
    }
  }
}
    #!/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 ctfd -e "CTFD_BASE_URL=${CTFD_BASE_URL}" -e "CTFD_ADMIN_TOKEN=${CTFD_ADMIN_TOKEN}" -e "CTFD_SESSION_COOKIE=${CTFD_SESSION_COOKIE}" -e "CTFD_USERNAME=${CTFD_USERNAME}" -e "CTFD_PASSWORD=${CTFD_PASSWORD}" -e "CTFD_HTTP_TIMEOUT=${CTFD_HTTP_TIMEOUT}" -- uvx ctfd-mcp-server==1.0.4

    {
  "mcpServers": {
    "ctfd": {
      "command": "uvx",
      "args": [
        "ctfd-mcp-server==1.0.4"
      ],
      "env": {
        "CTFD_BASE_URL": "${CTFD_BASE_URL}",
        "CTFD_ADMIN_TOKEN": "${CTFD_ADMIN_TOKEN}",
        "CTFD_SESSION_COOKIE": "${CTFD_SESSION_COOKIE}",
        "CTFD_USERNAME": "${CTFD_USERNAME}",
        "CTFD_PASSWORD": "${CTFD_PASSWORD}",
        "CTFD_HTTP_TIMEOUT": "${CTFD_HTTP_TIMEOUT}"
      }
    }
  }
}
    {
  "servers": {
    "ctfd": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "ctfd-mcp-server==1.0.4"
      ],
      "env": {
        "CTFD_BASE_URL": "${CTFD_BASE_URL}",
        "CTFD_ADMIN_TOKEN": "${CTFD_ADMIN_TOKEN}",
        "CTFD_SESSION_COOKIE": "${CTFD_SESSION_COOKIE}",
        "CTFD_USERNAME": "${CTFD_USERNAME}",
        "CTFD_PASSWORD": "${CTFD_PASSWORD}",
        "CTFD_HTTP_TIMEOUT": "${CTFD_HTTP_TIMEOUT}"
      }
    }
  }
}
    name: my-agent
target: local
servers:
- hub: io.github.MrJamescot/ctfd-mcp-server
    • not probed yet: tools unpinned, ingest lists them

    tools

    Probe result: needs authdocker: credentials=placeholder: the container exited: | Exception Group Traceback (most recent call last): | …aexit__(exc_type, exc_val, exc_tb) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | File "<path>", line 847, in __aexit__ | raise BaseExceptionGroup( | ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception) +-+---------------- 1 ---------------- | Traceback (most recent call last): | File "<path>", line 194, in run_mcp_server | proxy = await create_proxy_server(session) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | File "<path>", line 19, in create_proxy_server | response = await remote_app.initialize() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | File "<path>", line 183, in initialize | result = await self.send_request( | ^^^^^^^^^^^^^^^^^^^^^^^^ | File "<path>", line 306, in send_request | raise McpError(response_or_error.error) | mcp.shared.exceptions.McpError: Connection closed +------------------------------------; baremetal: same crash as docker

    runs · 1

    the latest tests of this entry by the hub and its workers, newest first
    dateworkermethodstatussandboxreason
    2026-10-18 22:12 local-mac-vm docker needs auth gvisor docker: credentials=placeholder: the container exited: | Exception Group Traceback (most recent call last): | …aexit__(exc_type, exc_val, exc_tb) | ^^^^^^^^^^^^…