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HappyMonkeyAI

OpenUSPublicDataMCP

find_us_data_sources

Find registered US public data sources by jurisdiction or platform, enabling access to datasets from federal agencies, state portals, Socrata, CKAN, and more.

Instructions

Find registered sources by jurisdiction or platform, such as federal, socrata or ckan.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
platformNo
jurisdictionNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations provided, so description must carry the burden. Does not disclose behavior like read-only nature, pagination, or what happens with no parameters (likely returns all). Minimal behavioral insight.

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?

Single sentence is concise and front-loaded with purpose. Could be restructured but no extraneous content.

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

Completeness2/5

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

Despite low complexity and presence of output schema, description fails to mention what kind of sources are returned or any other contextual details. Minimal completeness.

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

Parameters2/5

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

Schema coverage is 0% (no parameter descriptions in schema). Description adds only example values ('federal', 'socrata', 'ckan') without specifying valid values, constraints, or format. Insufficient detail.

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?

Clearly states the tool finds registered sources by jurisdiction or platform, with examples (federal, socrata, ckan). Distinguishes from siblings by implying cross-platform search, but could be more explicit.

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

Usage Guidelines2/5

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

No guidance on when to use this tool vs. sibling tools (e.g., search_socrata_catalog, search_ckan_catalog). Missing context on when to choose this over specific platform searches.

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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