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GoodBarber

by dev.goodbarber
OverviewDiscussionsAdmin

List launches

shop_list_launches
Read-onlyIdempotent

Returns the history of launches between specified timestamps and on specified platform. Guidance: Returns the history of launches between specified timestamps and on specified platform.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "shop_list_launches"
  }
}

Input Schema

NameRequiredDescriptionDefault
end_dateNoEnd date (included) with format `%Y-%m-%d`. Defaults to yesterday.
platformNoTarget platform. Defaults to "all".
start_dateNoStart date (included) with format `%Y-%m-%d`. Defaults to one month ago.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

B3.3/5.0
Behavior4/5

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

Annotations (readOnlyHint, openWorldHint, idempotentHint, destructiveHint) fully cover the operational safety profile, and the description's 'Returns' aligns with these. The description adds no contradictory information; it is a simple read operation.

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?

The core description is a single clear sentence, but the repetition of the same sentence under 'Guidance' is redundant and detracts from conciseness. It could be streamlined.

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?

The description is sufficient for a simple list operation with optional filters, but it lacks contextual information about what 'launches' represents and does not clarify the distinction from 'unique launches' (sibling tool). No output schema is provided, but that is not a major gap for a list operation.

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 100%, so each parameter (start_date, end_date, platform) has a meaningful description with format hints and enum values. The description does not add extra explanation beyond the schema, which is adequate given the high coverage.

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 clearly states the tool returns a history of launches with optional filters for timestamps and platform. The verb 'Returns' and the resource 'history of launches' are specific, and the tool is distinguishable from the sibling shop_list_unique_launches by the absence of 'unique' in the name.

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 explicit guidance is given about when to use this tool versus alternatives like shop_list_unique_launches. It does not state that this returns all launches or when the unique variant is more appropriate. The description only mentions the parameters, not usage context.

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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