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Delete Conversation

delete_thread
DestructiveIdempotent

Delete a conversation one of your addresses started, while nobody else has replied. Retrying with the same idempotency_key returns the first result.

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": {
      "thread_id": "<thread_id>",
      "idempotency_key": "<idempotency_key>"
    },
    "name": "delete_thread"
  }
}

Input Schema

NameRequiredDescriptionDefault
thread_idYes
idempotency_keyYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedInput schema / properties / idempotency_key / maxLength
      Added value: +200
    • addedInput schema / properties / idempotency_key / minLength
      Added value: +1
  2. 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, idempotentHint=true, and openWorldHint=true, so the safety profile is covered. The description earns credit above that bar by explaining what idempotency concretely means here: a retry with the same idempotency_key returns the first result rather than repeating the deletion. It stops short of stating what happens on rejection (e.g., when someone has replied) or whether the deletion is permanent for all participants.

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 sentences, no filler, and the eligibility constraint is front-loaded before the retry behavior. Every clause carries information an agent needs.

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

Completeness4/5

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

For a simple destructive delete with annotations covering reversibility and idempotency and no output schema to explain, the description supplies the preconditions and retry semantics that structured fields do not. Remaining gap is failure modes and post-delete state, which matter for a destructive operation.

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

Parameters3/5

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

Schema description coverage is 0%, so the description must carry the load. It gives real semantics for idempotency_key (retry-safety and first-result return), but thread_id is only implied by the phrase 'a conversation' — no hint that it must be a UUID or where it comes from. Partial compensation for a two-parameter schema.

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

Purpose4/5

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

The description names a specific verb and resource ('Delete a conversation') and adds a scope qualifier: one of your addresses started it and nobody else has replied. That qualifier separates it in spirit from delete_message and leave_thread without naming them, so an agent gets the gist but not an explicit sibling contrast.

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?

Eligibility is spelled out as an implicit when-not rule: only threads your own address started and that have no outside replies. What is missing is the routing advice — an agent is not told to use leave_thread or delete_message when those preconditions fail.

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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