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Crawlora MCP

by net.crawlora
OverviewDiscussionsAdmin

yahoo_finance_ticker_earnings_dates

Read-only

Returns standalone earnings-date rows from the Yahoo Finance earnings calendar table.

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": {
      "symbol": "<symbol>"
    },
    "name": "yahoo_finance_ticker_earnings_dates"
  }
}

Input Schema

NameRequiredDescriptionDefault
limitNoResult count, max 100.
offsetNoResult offset.
symbolYesYahoo Finance symbol such as AAPL.

Output Schema

NameRequiredDescriptionDefault
dataYesThe tool result payload (shape varies per tool; see each tool's docs resource).

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.6/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. The description adds that rows are standalone and sourced from the Yahoo Finance earnings calendar table, but does not mention pagination, rate limits, or authentication requirements.

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 no redundant or filler content. It efficiently states the resource and source table.

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

Completeness4/5

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

An output schema exists, annotations cover the read-only/open-world behavior, and the input schema documents all parameters. The description is sufficient for invoking the tool, though it could clarify what "standalone" means relative to calendar-based sibling tools.

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 symbol, limit, and offset are fully documented in the input schema. The description adds no parameter-level detail beyond what the schema already provides, 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: returns earnings-date rows from the Yahoo Finance earnings calendar table. It is clear what the tool does, but does not explicitly distinguish it from similar siblings such as yahoo_finance_ticker_earnings or yahoo_finance_ticker_calendar.

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?

Usage is implied by the purpose: retrieve standalone earnings-date rows for a symbol. There is no explicit when-to-use guidance, when-not-to-use guidance, or named alternative, so an agent must infer the appropriate 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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