sec_edgar_filings_scraper

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

No annotations at all, so the description carries the full behavioral burden, and it discloses little beyond 'Fetch'. Undisclosed: that all three parameters are optional with baked-in defaults (calling with an empty object returns AAPL/NVDA filings rather than everything), whether the tool respects SEC EDGAR rate limits, and what the response contains. 'Fetch' does imply a read-only operation, which is the only behavioral signal present.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with the scope (official SEC EDGAR), the form types, and the accepted keys all in one pass. No filler, no restatement of the name.

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

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

For a tool with no annotations and no output schema, the description should explain return shape and result limits, and it should warn that defaults quietly scope the query. It states neither, so an agent cannot predict that an empty call yields a two-ticker, three-form sample rather than a broad filing search.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so each parameter's meaning is already documented in the schema; the description adds little beyond restating ticker/CIK/form-type targeting. The one extra hint is that a bare form number like '4' corresponds to Form 4 insider transactions, which slightly clarifies the schema's terse '4' example.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

Specific verb (Fetch) plus a precisely named resource (official US SEC EDGAR corporate filings) and an enumeration of form types (10-K, 10-Q, 8-K, Form 4 insider transactions). It also states the three lookup keys (ticker, CIK, form type). Sibling differentiation is implicit only because no other sibling covers SEC filings, so it stops 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.

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

The phrase 'by ticker, CIK, or form type' implies how the tool is driven, but there is no explicit when-to-use/when-not guidance, no note about the shipped defaults (AAPL/NVDA, 10-K/10-Q/8-K) that apply when the caller passes nothing, and no alternative suggested for other financial-data needs.

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