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Recent Changes

recent_changes
Read-onlyIdempotent

"What's new with X" / "latest on Y" / "what happened to Z this week / month / quarter" / "updates on Acme" / "news on Tesla recently" / "what's happening with Apple" — change feed for a company in the last N days/weeks/months in ONE parallel call. Fans out to SEC EDGAR (filings since since), GDELT→GNews fallback (news mentions in window — GDELT preferred, GNews when rate-limited or 5xx), USPTO (patents granted; PatentsView API sunset May 2025 so this soft-fails until reactivated). since accepts ISO date ("2026-04-01") or relative shorthand ("7d", "30d", "3m", "1y"). Returns structured changes[] grouped by source + total_changes count + pipeworx:// citation URIs. Use entity_profile instead when you want the static profile (filings + fundamentals + LEI + patents) regardless of window.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
typeYesEntity type. Only "company" supported today.
sinceYesWindow start — ISO date ("2026-04-01") or relative ("7d", "30d", "3m", "1y"). Use "30d" or "1m" for typical monitoring.
valueYesTicker (e.g., "AAPL") or zero-padded CIK (e.g., "0000320193").

TDQS

A4.6/5.0
Behavior4/5

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

Annotations already declare readOnlyHint and idempotentHint, so safety is clear. The description adds valuable behavioral context: parallel fan-out to multiple sources, fallback logic (GDELT→GNews), and soft-fail for USPTO due to API sunset. No contradictions with annotations.

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

Conciseness4/5

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

The description is detailed and somewhat long, but every sentence adds necessary information (usage examples, source details, parameter guidance, sibling differentiation). It is well-structured and front-loaded with purpose, making it effective despite its length.

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?

With no output schema, the description adequately describes return format (structured changes grouped by source, counts, citation URIs). It covers edge cases like PatentsView sunset and fallback logic. However, it could explicitly list the sources more compactly.

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

Parameters5/5

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

Schema coverage is 100%, but the description adds significant meaning beyond field names: explains that 'since' accepts ISO dates or relative shorthand with examples, recommends typical values, clarifies 'value' can be ticker or CIK, and confirms 'type' is only 'company'.

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?

The description clearly states the tool provides a change feed for a company, listing specific query examples and contrasting with the sibling tool entity_profile. It identifies distinct data sources and the parallel call behavior.

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?

The description explicitly advises when to use this tool ('what's new with X') and when to use the alternative entity_profile (static profile). It also provides examples of valid queries and guidance on the 'since' parameter (e.g., 'Use "30d" or "1m" for typical monitoring').

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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TDQS

A3.6/5.0
Disambiguation5/5

Each tool has a highly distinct purpose, from Disney character lookups to financial data and prediction market analysis. Agent can easily distinguish them by name and description.

Naming Consistency2/5

Naming conventions vary wildly: some use verb_noun (list_characters), others are phrases (ask_pipeworx) or compound nouns (polymarket_arbitrage). No consistent pattern across tools.

Tool Count1/5

34 tools is far too many for a Disney-themed server. Only 3 tools (list_characters, search_characters, get_character) relate to Disney; the rest are general-purpose data tools that belong elsewhere.

Completeness1/5

For a Disney server, the tool surface is severely incomplete. Missing basic CRUD for characters, no info on movies, parks, or media. Extraneous tools do not fill these gaps.