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OpenStreetMap Tagging Schema MCP Server

by gander-tools

Search Presets

search_presets

Search OpenStreetMap presets by name, tags, or geometry type to find the correct tagging template for any feature.

Instructions

Search for OpenStreetMap presets by name, tags, or geometry type. Presets are predefined feature templates that define how specific types of features should be tagged (e.g., 'Restaurant' preset defines standard tags for restaurants). Supports filtering by preset name keywords, specific tag filters, and geometry type (point/line/area/relation). Returns matching presets with their names, primary tags, geometry types, and match scores. Use this to find the correct preset for a feature type, discover how to tag specific features, or explore available feature templates in OSM.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNo(Deprecated: use options.limit instead) Maximum number of preset results to return (optional, no default limit). Use this to get faster responses when you only need a few results, or to avoid overwhelming output when searching broad terms. Example: limit=10 returns only the first 10 matches.
keywordYesOptional keyword to search in preset names (e.g., 'restaurant', 'park', 'school'). Case-insensitive search that matches against preset display names. Leave empty to search by tags or geometry only.
optionsNoOptions to control search behavior and output: 'limit' restricts the maximum number of results returned.
geometryNo(Deprecated: use options.geometry instead) Filter results to only presets that support a specific geometry type (optional). Valid values: 'point' (nodes/POIs), 'vertex' (nodes along ways), 'line' (open ways like roads/rivers), 'area' (closed ways/areas like buildings/parks), 'relation' (complex features). Example: geometry='area' returns only presets that can be applied to area features.
Behavior4/5

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

With no annotations, the description fully explains the tool's behavior: it returns matching presets with names, primary tags, geometry types, and match scores. No destructive actions are indicated, and the output fields are disclosed.

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 three sentences, front-loaded with the main purpose. It explains presets and usage efficiently without excessive wording. Minor redundancy could be tightened, but overall concise.

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 exists, so the description compensates by listing returned fields (names, primary tags, geometry types, match scores). It covers filtering by keyword, tags, and geometry. Adequate for a search tool with nested parameter.

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?

All parameters have schema descriptions (100% coverage), so the baseline is 3. The description adds context like preset examples and use cases, but does not add significant new meaning beyond what the schema provides.

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 searches for presets by name, tags, or geometry type, and provides examples like 'Restaurant'. It distinguishes from sibling tools like search_tags and get_preset_details by focusing on finding complete preset templates.

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?

The description advises using the tool to find correct presets, discover tagging, or explore templates. It does not explicitly state when not to use it or point to alternatives, but the context of siblings implies appropriate use cases.

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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