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skylight-mcp

by chrischall
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TypeScript
Remote

skylight_categorize_source_calendar

Assign a source calendar's events to one or more family members by linking it to the relevant family-member category IDs.

Instructions

Attribute a source calendar's events to one or more family members.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesSource-calendar id (from skylight_list_source_calendars / skylight_list_calendars).
frameIdNo
category_idsYesFamily-member category ids whose members this calendar's events are attributed to.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv1.0.1
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. Changed4 schema fields changedv0.7.1
    • removedInput schema / properties / category_ids / items / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  }
-]
    • addedInput schema / properties / category_ids / items / type
      Added value: +[
+  "string",
+  "number"
+]
    • removedInput schema / properties / id / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  }
-]
    • addedInput schema / properties / id / type
      Added value: +[
+  "string",
+  "number"
+]
  3. First observedv0.4.6

TDQS

C2.9/5.0
Behavior2/5

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

Annotations already disclose readOnlyHint=false, destructiveHint=false, and openWorldHint=true, so the safety profile is covered. The description adds nothing beyond the annotations: it does not say whether attribution replaces existing category assignments or appends to them, whether it affects already-imported events, or what permissions are required for a mutation.

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, correctly leading with the action. It is perhaps too terse for a mutation tool, but structurally sound.

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?

For a 3-parameter mutation tool with no output schema, the description is minimally adequate but leaves the key behavioral question (replace vs. merge attribution) unanswered and does not cover the undocumented frameId parameter.

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 67%, so the schema docs most parameters; the description adds the plural semantics of category_ids ('one or more family members'). It does not explain the frameId parameter or clarify the relationship between id and frameId, so it only marginally exceeds the schema baseline.

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 (attribute) and resource (source calendar's events → family members), which distinguishes it from nearby siblings like skylight_update_calendar and skylight_update_category. It is clear what the tool accomplishes, though it does not explicitly name the sibling it is not.

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?

There is no guidance on when to use this tool versus alternatives such as skylight_update_calendar or skylight_update_category, and no prerequisites or exclusions are stated. The agent must infer usage entirely from the tool name and schema.

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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