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timeline.delete_item

Delete a timeline item (and its placeholder, if any)

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": {
      "projectId": "<projectId>",
      "expectedVersion": "<expectedVersion>",
      "itemId": "<itemId>"
    },
    "name": "timeline.delete_item"
  }
}

Input Schema

NameRequiredDescriptionDefault
itemIdYes
projectIdYes
expectedVersionYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

C2.7/5.0
Behavior2/5

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

No annotations are supplied, so the description carries the full burden. It discloses the placeholder cascade, which is genuinely useful, but says nothing about irreversibility, permission requirements, how a stale expectedVersion is rejected, or what happens to transitions attached to the item.

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

Conciseness4/5

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

A single front-loaded sentence with no wasted words. However, the brevity is partly the problem: the space saved is not used for any of the missing behavioral or parameter detail.

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

Completeness2/5

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

A destructive, unannotated, three-parameter mutation tool with no output schema needs more than one clause. Missing are error behavior, the versioning contract, and post-deletion effects, so an agent cannot call it confidently.

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% for all three required parameters, so the description needed to explain itemId, projectId, and especially the optimistic-concurrency role of expectedVersion. It adds no parameter meaning at all, leaving the caller to guess the concurrency contract.

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?

States a specific verb and resource ('Delete a timeline item') and adds the notable side effect that an associated placeholder is also removed. It is clearly distinguishable from siblings like timeline.move_item or timeline.split_item, though it does not explicitly contrast with them.

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

Usage Guidelines2/5

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

No guidance on when to use this versus alternatives such as timeline.close_gap after removing an item, or when deletion is safe versus when moving the item is preferable. The reader must infer usage entirely from the name.

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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