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    LogCarverGuard

    mcpother
    io.github.caiderek/logcarverguard · v0.1.0
    deploy just this

    Guardrail for AI agents on SQL Server: statement blocking, optional read-only mode and an audit log.

    run it

    on your own machines, one way per deploy method
    generated from the record, not tested yet
    #!/usr/bin/env bash
    # logcarverguard (io.github.caiderek/logcarverguard), recipe baremetal (generated).
    # Generated by Hub for toolset "my-agent"; started by mcp-my-agent-logcarverguard.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 -- dnx [email protected] --yes
    
    [Unit]
    Description=MCP server logcarverguard (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/logcarverguard
    WorkingDirectory=/var/lib/mcp/logcarverguard
    ExecStart=/opt/mcp/my-agent/bin/logcarverguard.sh
    Restart=on-failure
    RestartSec=5
    NoNewPrivileges=true
    ProtectSystem=strict
    ProtectHome=true
    PrivateTmp=true
    ReadWritePaths=/var/lib/mcp/logcarverguard
    
    [Install]
    WantedBy=multi-user.target
    

    connect to it

    copy what your client needs
    dnx [email protected] --yes
    # env: LOGCARVERGUARD_CONNECTION_STRING, LOGCARVERGUARD_READ_ONLY, LOGCARVERGUARD_AUDIT_DB_PATH, LOGCARVERGUARD_TRUNCATE_ALLOWLIST, LOGCARVERGUARD_EXEC_WHITELIST, LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST
    {
      "mcpServers": {
        "logcarverguard": {
          "command": "dnx",
          "args": [
            "[email protected]",
            "--yes"
          ],
          "env": {
            "LOGCARVERGUARD_CONNECTION_STRING": "${LOGCARVERGUARD_CONNECTION_STRING}",
            "LOGCARVERGUARD_READ_ONLY": "${LOGCARVERGUARD_READ_ONLY}",
            "LOGCARVERGUARD_AUDIT_DB_PATH": "${LOGCARVERGUARD_AUDIT_DB_PATH}",
            "LOGCARVERGUARD_TRUNCATE_ALLOWLIST": "${LOGCARVERGUARD_TRUNCATE_ALLOWLIST}",
            "LOGCARVERGUARD_EXEC_WHITELIST": "${LOGCARVERGUARD_EXEC_WHITELIST}",
            "LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST": "${LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST}"
          }
        }
      }
    }
    #!/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 logcarverguard -e "LOGCARVERGUARD_CONNECTION_STRING=${LOGCARVERGUARD_CONNECTION_STRING}" -e "LOGCARVERGUARD_READ_ONLY=${LOGCARVERGUARD_READ_ONLY}" -e "LOGCARVERGUARD_AUDIT_DB_PATH=${LOGCARVERGUARD_AUDIT_DB_PATH}" -e "LOGCARVERGUARD_TRUNCATE_ALLOWLIST=${LOGCARVERGUARD_TRUNCATE_ALLOWLIST}" -e "LOGCARVERGUARD_EXEC_WHITELIST=${LOGCARVERGUARD_EXEC_WHITELIST}" -e "LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST=${LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST}" -- dnx [email protected] --yes
    
    {
      "mcpServers": {
        "logcarverguard": {
          "command": "dnx",
          "args": [
            "[email protected]",
            "--yes"
          ],
          "env": {
            "LOGCARVERGUARD_CONNECTION_STRING": "${LOGCARVERGUARD_CONNECTION_STRING}",
            "LOGCARVERGUARD_READ_ONLY": "${LOGCARVERGUARD_READ_ONLY}",
            "LOGCARVERGUARD_AUDIT_DB_PATH": "${LOGCARVERGUARD_AUDIT_DB_PATH}",
            "LOGCARVERGUARD_TRUNCATE_ALLOWLIST": "${LOGCARVERGUARD_TRUNCATE_ALLOWLIST}",
            "LOGCARVERGUARD_EXEC_WHITELIST": "${LOGCARVERGUARD_EXEC_WHITELIST}",
            "LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST": "${LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST}"
          }
        }
      }
    }
    {
      "servers": {
        "logcarverguard": {
          "type": "stdio",
          "command": "dnx",
          "args": [
            "[email protected]",
            "--yes"
          ],
          "env": {
            "LOGCARVERGUARD_CONNECTION_STRING": "${LOGCARVERGUARD_CONNECTION_STRING}",
            "LOGCARVERGUARD_READ_ONLY": "${LOGCARVERGUARD_READ_ONLY}",
            "LOGCARVERGUARD_AUDIT_DB_PATH": "${LOGCARVERGUARD_AUDIT_DB_PATH}",
            "LOGCARVERGUARD_TRUNCATE_ALLOWLIST": "${LOGCARVERGUARD_TRUNCATE_ALLOWLIST}",
            "LOGCARVERGUARD_EXEC_WHITELIST": "${LOGCARVERGUARD_EXEC_WHITELIST}",
            "LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST": "${LOGCARVERGUARD_ALTER_DROP_COLUMN_ALLOWLIST}"
          }
        }
      }
    }
    name: my-agent
    target: local
    servers:
    - hub: io.github.caiderek/logcarverguard
    
    • 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.