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shopsapp-for-agents

ShopsApp MCP bridge

accept_list_invite

Accept a shared shopping list invitation using its share ID to access and manage the list.

Instructions

Accept an invitation addressed to the authenticated account.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
share_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure, but it only restates the action and the target audience. It does not explain what accepting does, whether it is idempotent, what side effects occur, or what authentication requirements exist beyond the vague 'authenticated account' phrasing.

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?

The description is a single concise sentence with no filler or redundant wording. It is front-loaded with the primary action, though it could be slightly more informative without becoming verbose.

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?

Despite the low complexity of one parameter and an output schema, the description omits key context such as how share_id relates to list_my_invites, what a successful acceptance returns, and what state changes occur. An agent can guess the basic call but lacks enough context to use 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?

The input schema has one required parameter, share_id, with no description and 0% schema description coverage. The tool description does not mention share_id at all, so it adds no guidance about where the ID comes from, its format, or how to obtain it; only the parameter title 'Share Id' hints at its meaning.

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 states a clear action ('Accept') and a specific resource ('an invitation addressed to the authenticated account'), which conveys the tool's purpose. It distinguishes itself from siblings like invite_person and list_my_invites by direction and action, though it does not explicitly name those alternatives.

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

Usage Guidelines3/5

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

The phrase 'addressed to the authenticated account' implies the intended use case: accepting an invite received by the current user. However, there is no explicit guidance about when to use this tool versus list_my_invites, invite_person, or other related tools, and no exclusions are provided.

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