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geo_forward

Forward geocoding: convert an address or place name to geographic coordinates using Nominatim. Returns up to 5 results with coordinates, type, and importance score.

Instructions

Forward geocoding: convert an address or place name to geographic coordinates using Nominatim. Returns up to 5 matching results with coordinates, type, and importance score.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYesAddress, place name, or location query to geocode (e.g. 'Eiffel Tower, Paris')
Behavior3/5

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

With no annotations, the description carries full burden. It discloses the service (Nominatim) and output fields but omits potential behavioral traits like rate limits, error handling for ambiguous queries, or authentication requirements. Adequate but not thorough.

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?

Two sentences efficiently convey purpose, method, and output. No unnecessary words, but could be slightly more structured (e.g., listing return items). Still commendable.

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?

For a simple tool with one parameter and no output schema, the description covers the essential: what it does, how it works, and what it returns. Lacks detail on return format but sufficient for most use cases.

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 the one parameter 'query' already described in schema. The description adds an example but no additional semantics beyond the schema. Baseline score of 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?

The description clearly states the tool converts an address/place name to coordinates, using Nominatim, and specifies return content (up to 5 results with coordinates, type, importance). It is distinct from sibling geo_reverse (reverse geocoding) and other location tools.

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

Usage Guidelines3/5

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

The description implies when to use (forward geocoding) but does not explicitly contrast with alternatives like geo_reverse or give criteria for when not to use. The context with siblings (e.g., geo_reverse) helps, but the description itself lacks explicit usage 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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