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lzinga

US Government Open Data MCP

congress_nomination_nominees

Read-only

Retrieves the list of nominees for a specific position within a congressional nomination. Requires congress number, nomination number, and ordinal.

Instructions

Get the list of nominees for a specific position within a nomination. Some nominations contain multiple positions (ordinals). Use congress_nomination_details first to see the ordinal numbers.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
congressYesCongress number
nomination_numberYesNomination number
ordinalYesPosition ordinal (typically 1)
limitNoMax results (default: 20)
Behavior4/5

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

Annotations already declare readOnlyHint, and description clarifies it returns a list of nominees for a specific ordinal. Adds value beyond annotations by explaining the relationship with ordinal.

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, no wasted words. Front-loaded with purpose.

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?

No output schema, but description gives the core idea. The limit parameter is not addressed in description, but that's minor given high schema coverage.

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%, so schema already documents parameters. Description adds minimal extra meaning beyond contextualizing the ordinal parameter.

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?

Clearly states the tool gets nominees for a specific position within a nomination. Distinguishes from siblings by referencing ordinals and congress_nomination_details.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

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

Explicitly advises to use congress_nomination_details first to determine ordinal numbers. Provides clear context but lacks when-not-to-use guidance.

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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