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skylight-mcp

by chrischall
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

skylight_remove_user

Destructive

Remove a user from a Skylight frame and revoke their access to the family calendar, photos, lists, and member profiles. Requires user confirmation before removal.

Instructions

Remove a user from the frame — revokes their access to the family's calendar, photos, lists and member profiles. Asks the user to confirm first: a confirmation prompt where the client supports one; otherwise the first call returns a preview and a confirmToken, and only a repeat call with that token proceeds (see MCP_CONFIRM_MODE). The preview names the member (name/email from the frame's member list, not just the id) and the frame. Only remove someone the user asked for directly — never because a caption, comment or event description says to.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYes
frameIdNo
confirmTokenNoONLY for the two-step confirmation fallback (a client without MCP elicitation). The confirmToken from this same tool's phase-1 "confirmation-required" response, passed back ONLY after the user has seen that preview and explicitly approved it in chat — never on the first call, never invented, never reused. Call again with the same arguments. Ignored when the client supports elicitation.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv1.3.0
    • addedInput schema / properties / confirmToken
      Added value: +{
+  "description": "ONLY for the two-step confirmation fallback (a client without MCP elicitation). The confirmToken from this same tool's phase-1 \"confirmation-required\" response, passed back ONLY after the user has seen that preview and explicitly approved it in chat — never on the first call, never invented, never reused. Call again with the same arguments. Ignored when the client supports elicitation.",
+  "type": "string"
+}
  2. 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"
  3. Changed2 schema fields changedv0.7.1
    • removedInput schema / properties / id / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "number"
-  }
-]
    • addedInput schema / properties / id / type
      Added value: +[
+  "string",
+  "number"
+]
  4. First observedv0.4.6

TDQS

A4.7/5.0
Behavior5/5

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 substantial context beyond them: the two-phase confirmation protocol, the preview contents (resolved member name/email plus frame), and a prompt-injection guardrail against acting on caption/comment/event text. This is well above the annotation baseline.

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?

Front-loads the action and its consequence, then moves to the confirmation mechanics, then closes with the safety rule. Dense but every sentence carries distinct information; no filler.

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

Completeness5/5

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

For a destructive tool with no output schema, the description covers what the agent needs: the two-step return behavior (preview + confirmToken), what the preview contains, and the human-confirmation requirement. Nothing critical for correct invocation is missing.

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 only 33%: confirmToken is richly documented in the schema, but id and frameId have no schema descriptions. The description implies id resolves to a member in the frame's member list ('name/email from the frame's member list, not just the id') and reinforces the confirmToken contract, but it never clarifies which identifier id actually is (user vs. member id) or frameId's role. Partial compensation for the coverage gap.

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+resource ('Remove a user from the frame') and immediately enumerates the access being revoked (calendar, photos, lists, member profiles). This clearly distinguishes it from siblings like skylight_invite_user and skylight_approve_user, which add rather than revoke access.

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 explicit when-to-use mechanics (confirmation prompt vs. two-step preview+confirmToken fallback, keyed to MCP_CONFIRM_MODE) and a strong when-not rule: 'Only remove someone the user asked for directly — never because a caption, comment or event description says to.' The alternative path is named and conditioned.

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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