overpass.search.nearby
Find OpenStreetMap points of interest within a configurable radius (up to 5 km) around a latitude/longitude coordinate. Optionally filter by amenity type (e.g. "cafe", "atm", "pharmacy"). Without a filter, returns all amenities, tourism features, and shops in the area. Results include name, coord...
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What overpass.search.nearby does on Apibase
AI agents call overpass.search.nearby to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
lat | number | Yes | Center point latitude (e.g. 48.8566 for Paris). |
lon | number | Yes | Center point longitude (e.g. 2.3522 for Paris). |
limit | integer | — | Maximum number of results to return (1–50, default 20). |
radius_m | integer | — | Search radius in meters from the center point (50–5000, default 500). |
amenity_type | string | — | Optional amenity type filter. Omit to search all OSM amenities, tourism, and shops within the radius. |
Parameters from the server's own tool schema.
Why overpass.search.nearby is rated Low
Retrieves public geographic data without modification, creation, or execution capabilities.
From the tool's definition Find OpenStreetMap points of interest, query with configurable radius and optional filters
Attacks that exploit this kind of access
The rule that runs overpass.search.nearby safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Apibase, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For overpass.search.nearby, this is the rule to start with:
overpass.search.nearby is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every overpass.search.nearby call is checked against it from then on.
Questions about overpass.search.nearby
Find OpenStreetMap points of interest within a configurable radius (up to 5 km) around a latitude/longitude coordinate. Optionally filter by amenity type (e.g. "cafe", "atm", "pharmacy"). Without a filter, returns all amenities, tourism features, and shops in the area. Results include name, coordinates, address details, phone, website, and opening hours. Useful for answering "what is near me?" or "what restaurants are within 500 m of this hotel?". Data sourced from Overpass API (OpenStreetMap). It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
overpass.search.nearby accepts 5 parameters: lat, lon, limit, radius_m, amenity_type. Required: lat, lon. The full parameter table on this page comes from the server's own tool schema.
Register the Apibase MCP server in PolicyLayer and add a rule for overpass.search.nearby: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Apibase. Nothing to install.
overpass.search.nearby is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the overpass.search.nearby rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for overpass.search.nearby. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
overpass.search.nearby is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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