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    Xzar

    mcpopen · remote
    si.xzar/xzar · v0.1.2
    deploy just this

    Crash-test your AI agent on real professional decisions, graded against what actually happened.

    run it

    on your own machines, one way per deploy method
    generated from the record, not tested yet
    #!/usr/bin/env bash
    # xzar (si.xzar/xzar), recipe baremetal (generated).
    # Generated by Hub for toolset "my-agent"; started by mcp-my-agent-xzar.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 xzar-mcp==0.1.2
    
    [Unit]
    Description=MCP server xzar (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/xzar
    WorkingDirectory=/var/lib/mcp/xzar
    ExecStart=/opt/mcp/my-agent/bin/xzar.sh
    Restart=on-failure
    RestartSec=5
    NoNewPrivileges=true
    ProtectSystem=strict
    ProtectHome=true
    PrivateTmp=true
    ReadWritePaths=/var/lib/mcp/xzar
    
    [Install]
    WantedBy=multi-user.target
    
    generated from the record, not tested yet
    docker run --rm -p 127.0.0.1:8101:8000 -e XZAR_API_KEY -e XZAR_API_URL ghcr.io/astral-sh/uv:python3.12-bookworm-slim sh -c 'uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx xzar-mcp==0.1.2'
    
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T15:34:35+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:
      xzar:
        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 xzar-mcp==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:
          XZAR_API_KEY: ${XZAR_API_KEY}
          XZAR_API_URL: ${XZAR_API_URL}
    volumes:
      npm-cache: {}
      uv-cache: {}
    
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T15:34:35+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: xzar
      namespace: mcp
      labels: &id001
        app: xzar
    spec:
      replicas: 1
      selector:
        matchLabels: *id001
      template:
        metadata:
          labels: *id001
        spec:
          containers:
          - name: xzar
            image: ghcr.io/astral-sh/uv:python3.12-bookworm-slim
            ports:
            - containerPort: 8000
              name: http
            env:
            - name: XZAR_API_KEY
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: XZAR_API_KEY
            - name: XZAR_API_URL
              valueFrom:
                secretKeyRef:
                  name: mcp-credentials
                  key: XZAR_API_URL
            command:
            - sh
            - -c
            - uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx xzar-mcp==0.1.2
            readinessProbe:
              httpGet:
                path: /status
                port: http
              initialDelaySeconds: 10
    ---
    apiVersion: v1
    kind: Service
    metadata:
      name: xzar
      namespace: mcp
    spec:
      selector:
        app: xzar
      ports:
      - port: 8000
        targetPort: http
        name: http
    
    generated from the record, not tested yet
    # Generated by Hub for toolset "my-agent" (2026-10-18T15:34:35+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:
      xzar:
        enabled: true
        replicas: 1
        port: 8000
        path: /mcp
        container:
          name: xzar
          image: ghcr.io/astral-sh/uv:python3.12-bookworm-slim
          ports:
          - containerPort: 8000
            name: http
          env:
          - name: XZAR_API_KEY
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: XZAR_API_KEY
          - name: XZAR_API_URL
            valueFrom:
              secretKeyRef:
                name: mcp-credentials
                key: XZAR_API_URL
          command:
          - sh
          - -c
          - uvx mcp-proxy --host 0.0.0.0 --port 8000 --pass-environment -- uvx xzar-mcp==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: XZAR_API_KEY, XZAR_API_URL. 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
    https://api.xzar.si/mcp
    transport: streamable HTTP
    no credentials required
    #!/usr/bin/env bash
    # Asks every HTTP endpoint for its tool list over MCP streamable HTTP: first as MCP 2026-07-28
    # (one request, no session), then, if the server does not answer that, as 2025-06-18
    # (initialize, initialized, tools/list in the session).
    set -uo pipefail
    set -a; [ -f .env ] && source .env; set +a
    post() {  # url header version session body [curl options]
      curl -sS -H "Content-Type: application/json" -H "Accept: application/json, text/event-stream" \
        ${2:+-H "$2"} ${3:+-H "MCP-Protocol-Version: $3"} ${4:+-H "Mcp-Session-Id: $4"} "${@:6}" -d "$5" "$1"
    }
    probe() {  # name url [header]
      local name="$1" url="$2" hdr="${3:-}" out sid
      local meta='{"io.modelcontextprotocol/protocolVersion":"2026-07-28","io.modelcontextprotocol/clientCapabilities":{},"io.modelcontextprotocol/clientInfo":{"name":"smoke","version":"0"}}'
      out=$(post "$url" "$hdr" 2026-07-28 "" '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{"_meta":'"$meta"'}}' -H "Mcp-Method: tools/list")
      if ! grep -q '"result"' <<<"$out"; then
        local init='{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"smoke","version":"0"}}}'
        sid=$(post "$url" "$hdr" "" "" "$init" -D - -o /dev/null | awk 'tolower($1)=="mcp-session-id:"{print $2}' | tr -d "\r")
        post "$url" "$hdr" 2025-06-18 "$sid" '{"jsonrpc":"2.0","method":"notifications/initialized"}' -o /dev/null
        out=$(post "$url" "$hdr" 2025-06-18 "$sid" '{"jsonrpc":"2.0","id":2,"method":"tools/list"}')
      fi
      # tool names only: a 2026-07-28 answer names the server in _meta too
      sed 's/"io\.modelcontextprotocol\/serverInfo": *{[^}]*}//g' <<<"$out" | grep -o '"name": *"[^"]*"' \
        | head -20 | sed "s/^/  $name: /" || echo "  $name: no answer"
    }
    probe xzar https://api.xzar.si/mcp
    
    {
      "mcpServers": {
        "xzar": {
          "url": "https://api.xzar.si/mcp"
        }
      }
    }
    #!/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 --transport http xzar https://api.xzar.si/mcp
    
    {
      "mcpServers": {
        "xzar": {
          "command": "npx",
          "args": [
            "-y",
            "mcp-remote",
            "https://api.xzar.si/mcp"
          ]
        }
      }
    }
    {
      "servers": {
        "xzar": {
          "type": "http",
          "url": "https://api.xzar.si/mcp"
        }
      }
    }
    name: my-agent
    target: local
    servers:
    - hub: si.xzar/xzar
    
    • not probed yet: tools unpinned, ingest lists them

    tools

    Probe result: needs authprobe: MCPError: Server returned an error response (HTTP 401: Bearer resource_metadata="https://api.xzar.si/.well-known/oauth-protected-resource")

    runs · 2

    the latest tests of this entry by the hub and its workers, newest first
    dateworkermethodstatussandboxreason
    2026-10-16 04:19 hub-probe remote needs auth — probe: MCPError: Server returned an error response (HTTP 401: Bearer resource_metadata="https://api.xzar.si/.well-known/oauth-protected-resource")
    2026-10-16 04:16 hub-probe remote failed — probe: MCPError: Server returned an error response