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reschedule-tasks

Destructive

Move tasks to new dates while preserving their recurring schedules, so recurrence patterns stay intact instead of being replaced or wiped.

Instructions

Reschedule tasks to new dates while preserving recurring schedules. Unlike update-tasks (which replaces the entire due string and can wipe recurrence), this tool changes only the date, keeping recurrence patterns intact. Use this when moving recurring tasks to a different date without altering their repeat pattern.

Input Schema

Name	Required	Description	Default
`tasks`	Yes	The tasks to reschedule with their new dates.

Output Schema

Name	Required	Description
`tasks`	Yes	The rescheduled tasks.
`totalCount`	Yes	The total number of tasks rescheduled.
`rescheduledTaskIds`	Yes	The IDs of the rescheduled tasks.

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedv13.8.4Nov 2, 2026
- removedOutput schema / properties / tasks / items / properties / recurring / anyOf
```
Removed value: -[
-  {
-    "type": "boolean"
-  },
-  {
-    "type": "string"
-  }
-]
```
- addedOutput schema / properties / tasks / items / properties / recurring / type
```
Added value: +[
+  "boolean",
+  "string"
+]
```
Changed1 schema field changedv13.3.0Sep 18, 2026
- changedOutput schema / properties / tasks / items / properties / duration / description
```
Previous value: -"e.g. \"2h30m\"."New value: +"e.g. \"2h30m\", or \"3d\" for a day-based duration."
```
Changed1 schema field changedv13.2.7Sep 16, 2026
- addedOutput schema / properties / tasks / items / properties / isDeleted
```
Added value: +{
+  "description": "True when deleted; absent otherwise.",
+  "type": "boolean"
+}
```

Changed2 schema fields changedv13.0.0Aug 20, 2026

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

changedOutput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Changed18 schema fields changedv12.5.3Aug 7, 2026
- changedOutput schema / properties / tasks / items / properties / addedAt / description
```
Previous value: -"When the task was created (ISO 8601 format)."New value: +"ISO 8601."
```
- removedOutput schema / properties / tasks / items / properties / assignedByUid / description
```
Removed value: -"The UID of the user who assigned this task."
```
- changedOutput schema / properties / tasks / items / properties / checked / description
```
Previous value: -"Whether the task is checked/completed."New value: +"Whether the task is completed."
```
- changedOutput schema / properties / tasks / items / properties / completedAt / description
```
Previous value: -"When the task was completed (ISO 8601 format)."New value: +"ISO 8601."
```
- changedOutput schema / properties / tasks / items / properties / content / description
```
Previous value: -"The task title/content."New value: +"Task title."
```
- changedOutput schema / properties / tasks / items / properties / deadlineDate / description
```
Previous value: -"The deadline date of the task (ISO 8601 format)."New value: +"ISO 8601."
```
- removedOutput schema / properties / tasks / items / properties / description / description
```
Removed value: -"The task description."
```
- changedOutput schema / properties / tasks / items / properties / dueDate / description
```
Previous value: -"The due date of the task (ISO 8601 format)."New value: +"ISO 8601."
```
- changedOutput schema / properties / tasks / items / properties / duration / description
```
Previous value: -"The duration of the task (e.g., \"2h30m\")."New value: +"e.g. \"2h30m\"."
```
- removedOutput schema / properties / tasks / items / properties / id / description
```
Removed value: -"The unique ID of the task."
```
- changedOutput schema / properties / tasks / items / properties / isUncompletable / description
```
Previous value: -"Whether the task is uncompletable (organizational header)."New value: +"An organizational header, not a real task."
```
- removedOutput schema / properties / tasks / items / properties / labels / description
```
Removed value: -"The labels attached to this task."
```
- removedOutput schema / properties / tasks / items / properties / parentId / description
```
Removed value: -"The ID of the parent task (for subtasks)."
```
- changedOutput schema / properties / tasks / items / properties / priority / description
```
Previous value: -"The priority level: p1 (highest), p2 (high), p3 (medium), p4 (lowest)."New value: +"p1 is highest, p4 lowest."
```
- removedOutput schema / properties / tasks / items / properties / projectId / description
```
Removed value: -"The ID of the project this task belongs to."
```
- changedOutput schema / properties / tasks / items / properties / recurring / description
```
Previous value: -"Whether the task is recurring, or the recurrence string."New value: +"False when not recurring, otherwise the recurrence string."
```
- removedOutput schema / properties / tasks / items / properties / responsibleUid / description
```
Removed value: -"The UID of the user responsible for this task."
```
- removedOutput schema / properties / tasks / items / properties / sectionId / description
```
Removed value: -"The ID of the section this task belongs to."
```
Changed1 schema field changedv10.5.0Jul 10, 2026
- addedOutput schema / properties / tasks / items / properties / addedAt
```
Added value: +{
+  "description": "When the task was created (ISO 8601 format).",
+  "type": "string"
+}
```
First observedv10.4.2Jul 9, 2026

TDQS

A4.2/5.0

Behavior4/5

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

Annotations already flag destructiveHint=true and idempotentHint=false, so the description doesn't need to re-litigate safety. It adds real value by disclosing the preservation semantics — only the date changes, recurrence survives — which the annotations cannot express. It does not cover batch behavior (multiple tasks, partial failure on an invalid id), which keeps it below a 5.

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

Conciseness3/5

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

Front-loaded and short, but the recurrence-preservation point is made three times ('preserving recurring schedules', 'keeping recurrence patterns intact', 'without altering their repeat pattern'). Two of those sentences could be merged without losing anything.

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?

An output schema exists, so return values need no explanation, and the single parameter is fully documented. The gap is operational: nothing says what happens if one task id in the array is invalid, which matters for a destructive batch mutation.

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 coverage is 100% and the nested date property already documents the YYYY-MM-DD vs datetime formats and the time-preservation rule. The description adds no parameter semantics beyond that; baseline 3 applies.

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?

Specific verb+resource+scope: 'Reschedule tasks to new dates while preserving recurring schedules,' and it explicitly contrasts with update-tasks. An agent can distinguish it from the sibling without opening either schema.

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

Usage Guidelines5/5

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

Gives an explicit when-to-use ('moving recurring tasks to a different date without altering their repeat pattern') and names the wrong alternative (update-tasks) plus the harm it causes (wipes recurrence). Selection is unambiguous.

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