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by io.github.y110692
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Canvas Delete

aimixer_canvas_delete
Destructive

Permanently delete an owned Canvas project only after explicitly confirming the exact project id. Busy generation projects are rejected. Archive/restore are not currently supported.

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": {
      "project_id": "<project_id>",
      "expected_rev": "<expected_rev>",
      "request_id": "<request_id>",
      "confirm_project_id": "<confirm_project_id>"
    },
    "name": "aimixer_canvas_delete"
  }
}

Input Schema

NameRequiredDescriptionDefault
project_idYes
request_idYes
expected_revYes
confirm_project_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4/5.0
Behavior4/5

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

Annotations already declare destructiveHint=true and readOnlyHint=false, but the description adds real value beyond them: irreversibility ("Permanently delete", no archive/restore), a runtime rejection condition (busy generation projects), and the auth/ownership constraint ("owned"). It does not cover what happens to associated media or nodes on deletion.

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?

Three short sentences with zero filler, and the destructive verb plus the confirmation precondition are front-loaded. Nothing is repeated from the title or annotations.

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

Completeness3/5

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

Irreversibility and the busy-project failure mode are covered, which matters for a destructive, non-idempotent tool with no output schema. However, with 0% schema coverage the agent still lacks guidance on revision-mismatch behavior and on the purpose of request_id, gaps that matter for a permanent delete.

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

Parameters2/5

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

Schema description coverage is 0%, so the description carries the full burden. It clarifies the project_id/confirm_project_id double-entry safeguard but leaves expected_rev (presumably an optimistic-concurrency revision) and request_id (a dedupe key, notable given idempotentHint=false) entirely undefined in both schema and description.

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?

States a specific verb and resource ("Permanently delete an owned Canvas project") plus the ownership scoping constraint. Among siblings like aimixer_canvas_rename, aimixer_canvas_create, and aimixer_canvas_read, this is unambiguously the destructive removal tool.

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?

Gives an explicit precondition ("only after explicitly confirming the exact project id") and a when-not condition ("Busy generation projects are rejected"). It also preempts a likely wrong path by noting archive/restore are unsupported, though it does not name a sibling tool to use instead for any adjacent operation.

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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