# mittwald_extension_install Install an extension in a project or organization. Agent View of the PolicyLayer registry record for `mittwald_extension_install`. HTML page: https://policylayer.com/tools/mittwald-mcp-server/mittwald-extension-install ## Facts - Tool: `mittwald_extension_install` - Server: Mittwald MCP Server (`mittwald/mcp-server`) — https://policylayer.com/tools/mittwald-mcp-server.md - Homepage: https://github.com/mittwald/mcp-server - Risk category: Write (Medium risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Rate-limited ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "mittwald_extension_install", "arguments": {} } } ``` ## Why mittwald_extension_install is rated Medium Installing an extension creates or modifies project configuration and state. This is a Write operation because it creates/modifies data reversibly. Severity is medium because installing untrusted or malicious extensions could compromise project security or introduce vulnerabilities, but the action itself is not inherently destructive or financial. High confidence due to clear intent in the name and description. From the tool's own definition: "Tool name 'mittwald_extension_install' and description 'Install an extension in a project or organization' indicate creation/modification of project state. The action is reversible (extensions can be uninstalled), distinguishing it from destructive operations." ## Use case AI agents use mittwald_extension_install to create or update resources in Mittwald MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mittwald MCP Server environment. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mittwald MCP Server: ```json { "version": "1", "default": "deny", "tools": { "mittwald_extension_install": { "limits": [ { "counter": "mittwald_extension_install_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## Other tools on Mittwald MCP Server (171) - `mittwald_app_uninstall` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-app-uninstall.md - `mittwald_backup_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-backup-delete.md - `mittwald_backup_schedule_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-backup-schedule-delete.md - `mittwald_container_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-container-delete.md - `mittwald_context_reset_session` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-context-reset-session.md - `mittwald_cronjob_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-cronjob-delete.md - `mittwald_database_mysql_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-database-mysql-delete.md - `mittwald_database_mysql_user_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-database-mysql-user-delete.md - `mittwald_domain_virtualhost_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-domain-virtualhost-delete.md - `mittwald_extension_uninstall` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-extension-uninstall.md - `mittwald_mail_address_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-mail-address-delete.md - `mittwald_mail_deliverybox_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-mail-deliverybox-delete.md - `mittwald_org_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-org-delete.md - `mittwald_org_membership_revoke` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-org-membership-revoke.md - `mittwald_project_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-project-delete.md - `mittwald_registry_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-registry-delete.md - `mittwald_sftp_user_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-sftp-user-delete.md - `mittwald_ssh_user_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-ssh-user-delete.md - `mittwald_stack_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-stack-delete.md - `mittwald_user_api_token_revoke` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-user-api-token-revoke.md - `mittwald_user_ssh_key_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-user-ssh-key-delete.md - `mittwald_volume_delete` — Destructive — https://policylayer.com/tools/mittwald-mcp-server/mittwald-volume-delete.md - `mittwald_app_install_wordpress` — Execute — https://policylayer.com/tools/mittwald-mcp-server/mittwald-app-install-wordpress.md - `mittwald_app_open` — Execute — https://policylayer.com/tools/mittwald-mcp-server/mittwald-app-open.md - `mittwald_app_ssh` — Execute — https://policylayer.com/tools/mittwald-mcp-server/mittwald-app-ssh.md - `mittwald_app_upgrade` — Execute — https://policylayer.com/tools/mittwald-mcp-server/mittwald-app-upgrade.md - `mittwald_container_recreate` — Execute — https://policylayer.com/tools/mittwald-mcp-server/mittwald-container-recreate.md - `mittwald_container_restart` — Execute — https://policylayer.com/tools/mittwald-mcp-server/mittwald-container-restart.md - `mittwald_container_run` — Execute — https://policylayer.com/tools/mittwald-mcp-server/mittwald-container-run.md - `mittwald_container_start` — Execute — https://policylayer.com/tools/mittwald-mcp-server/mittwald-container-start.md - …and 141 more: https://policylayer.com/tools/mittwald-mcp-server.md ## For agents This record is a snapshot. Live verdicts and the full registry: - Check every server in your MCP config at once: `npx -y policylayer stack` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=mittwald-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/mittwald-mcp-server