# mittwald_app_dependency_versions

Fetch available versions for a specific system software dependency.

Agent View of the PolicyLayer registry record for `mittwald_app_dependency_versions`. HTML page: https://policylayer.com/tools/mittwald-mcp-server/mittwald-app-dependency-versions

## Facts

- Tool: `mittwald_app_dependency_versions`
- Server: Mittwald MCP Server (`mittwald/mcp-server`) — https://policylayer.com/tools/mittwald-mcp-server.md
- Homepage: https://github.com/mittwald/mcp-server
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "mittwald_app_dependency_versions",
    "arguments": {}
  }
}
```

## Why mittwald_app_dependency_versions is rated Low

This tool fetches/retrieves dependency version metadata without creating, modifying, deleting, or executing operations. It has no side effects and poses minimal risk if misused by an AI agent, as it only exposes informational data about available software versions.

From the tool's own definition: "Tool name 'mittwald_app_dependency_versions' and description 'Fetch available versions for a specific system software dependency' indicate a read-only query operation that retrieves version information without modifying any data."

## Use case

AI agents call mittwald_app_dependency_versions to retrieve information from Mittwald MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. 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_app_dependency_versions": {}
  }
}
```

## 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