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Test Reporter MCP Server

Test Reporter MCP Server

by WillBrock
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Remote

get_test_trend

Track a test's reliability over time to see if it is becoming more or less stable. Use trend data to spot flaky tests before they disrupt your suite.

Instructions

Get trend data for a test over time, useful for seeing if a test is getting more or less reliable.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "spec_file": "<spec_file>"
    },
    "name": "get_test_trend"
  }
}

Input Schema

NameRequiredDescriptionDefault
daysNoDays to look back (default: 30)
spec_fileYesThe spec file path
project_idNoProject ID to filter by (optional)
test_titleNoSpecific test title (optional)
granularityNoTime granularity for trend data (default: 'day')day

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.0.8

TDQS

B3.2/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral disclosure burden. It implies a read operation via 'Get,' but does not state read-only status, authentication needs, rate limits, result shape, or any other behavioral trait beyond the basic purpose.

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?

The description is a single, front-loaded sentence with zero waste. It states the core action and its primary value immediately.

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?

For a 5-parameter tool with no annotations and no output schema, the description is too thin. It does not explain what trend data is returned, how to interpret it, or when to prefer alternatives, leaving significant contextual gaps.

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 the schema already fully documents all five parameters. The description adds no additional parameter meaning, such as format or interaction details, making the baseline of 3 appropriate.

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 specific verb and resource: 'Get trend data for a test over time,' and adds a clear use case ('seeing if a test is getting more or less reliable'). It does not explicitly distinguish itself from similar siblings like get_test_history or get_flaky_tests, so it falls short of a 5.

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?

It provides an implied usage context ('useful for seeing if a test is getting more or less reliable') but gives no explicit when-to-use guidance, no exclusions, and does not name alternative tools. This is adequate but leaves routing decisions to inference.

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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