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Crawlora MCP

by net.crawlora
OverviewDiscussionsAdmin

yahoo_finance_ticker_sec_filings

Read-only

Fetch SEC filing summary rows shown for one Yahoo Finance symbol; this does not retrieve full filing text. Use sec_filing or sec_filing_sections for filing documents, or yahoo_finance_ticker_financials for statement history.

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_sec_filings"
  }
}

Input Schema

NameRequiredDescriptionDefault
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

A4.5/5.0
Behavior4/5

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 genuine value by disclosing that only summary rows are returned and full filing text is not retrieved, which prevents a common misuse. It does not mention rate limits or auth, but for a read-only fetch that is a minor gap.

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?

Two sentences, zero waste, front-loaded with the core capability before the exclusions and routing. Each clause earns its place.

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?

An output schema exists, so return format needn't be described, and the annotations cover the read-only open-world profile. For a single-param read tool, scope, exclusion, and sibling routing are all present; nothing an agent needs to call it correctly 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 coverage is 100% with a single documented 'symbol' parameter, so the schema carries the load. The description's 'for one Yahoo Finance symbol' reinforces the scoping but adds no syntax or format detail beyond the schema. Baseline 3 is appropriate.

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+scope ('Fetch SEC filing summary rows ... for one Yahoo Finance symbol') and immediately bounds what it is not ('does not retrieve full filing text'). This distinguishes it cleanly from the sibling filing tools without opening any schema.

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?

Explicitly routes to alternatives with conditions: sec_filing / sec_filing_sections 'for filing documents' and yahoo_finance_ticker_financials 'for statement history'. This is exactly the when-to-use-which-sibling guidance the dimension rewards.

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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