VibeKit

VibeKit Delete App

vibekit_delete_app

DestructiveIdempotent

Permanently delete a hosted app — stops the container and removes its workspace, database, env vars, and subdomain. Irreversible (the GitHub repo is NOT touched). Confirm with the user before calling.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "appId": "<appId>"
    },
    "name": "vibekit_delete_app"
  }
}

Input Schema

Name	Required	Description	Default
`appId`	Yes	App ID (from vibekit_list_apps)

Output Schema

Name	Required	Description
`ok`	Yes	Whether the call succeeded.
`data`	No	Deletion confirmation for the app, its container, and its agent.
`error`	No	Error message when ok is false (e.g. missing/invalid VIBEKIT_API_KEY, or an API error).

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedJul 17, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "description": "Result envelope: ok=true with data on success, ok=false with error on failure.",
+  "properties": {
+    "data": {
+      "description": "Deletion confirmation for the app, its container, and its agent."
+    },
+    "error": {
+      "description": "Error message when ok is false (e.g. missing/invalid VIBEKIT_API_KEY, or an API error).",
+      "type": "string"
+    },
+    "ok": {
+      "description": "Whether the call succeeded.",
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "ok"
+  ],
+  "type": "object"
+}

First observedJul 15, 2026

TDQS

A4.7/5.0

Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Goes beyond annotations (destructiveHint=true) by detailing exactly what is destroyed and noting that the GitHub repo is untouched. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two concise sentences with no fluff. Front-loaded with action and scope, then adds irreversibility and guidance.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given output schema exists and one parameter, description fully explains the tool's impact and pre-conditions. No missing context for safe usage.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

100% schema coverage; description adds practical context that appId comes from vibekit_list_apps, aiding correct invocation.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states 'Permanently delete a hosted app' and lists all components removed (container, workspace, database, env vars, subdomain). Distinguishes from siblings like vibekit_stop_app or vibekit_restart_app by specifying permanent deletion.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly instructs to confirm with user before calling, which is critical for a destructive action. Could mention when not to use, but the destructive nature and irreversibility are well conveyed.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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