Resolves a list of Google Maps URLs into canonical Google Maps Place IDs. When to call this tool (CRITICAL): * Use this tool when the user provides one or more Google Maps sharing links or URLs (e.g. 'https://maps.app.goo.gl/...', 'https://www.google.com/maps/place/...', or 'https://maps.google.c...
Part of the Mcp server.
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AI agents use resolve_maps_urls to create or modify resources in Mcp. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call resolve_maps_urls repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Mcp.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"resolve_maps_urls": {
"limits": [
{
"counter": "resolve_maps_urls_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Mcp policy for all 5 tools.
These attack patterns abuse exactly the kind of access resolve_maps_urls gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Resolves a list of Google Maps URLs into canonical Google Maps Place IDs. When to call this tool (CRITICAL): * Use this tool when the user provides one or more Google Maps sharing links or URLs (e.g. 'https://maps.app.goo.gl/...', 'https://www.google.com/maps/place/...', or 'https://maps.google.com/...') and you need to extract the underlying canonical Place IDs. * You can specify up to 20 URLs to resolve in a single batch request. Input Requirements (CRITICAL): * urls (array of strings - MANDATORY): The list of Google Maps URLs to resolve. Each URL must be a valid, single-place Google Maps URL. Error Handling (CRITICAL): * This is a batch processing tool. A request might return "mixed results" (e.g. some URLs resolve successfully while others fail). * The output list of entities is guaranteed to map 1:1 with the input urls indices. A failed URL resolution will result in an empty Entity message (no fields are set) at its corresponding index in the entities list. * You MUST check the failed_requests map field in the response to identify which specific URL index failed. The key of failed_requests represents the 0-based index of the failed URL in the request. Do not assume the entire batch call failed because of a partial failure.. It is categorised as a Write tool in the Mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the MCP server in PolicyLayer and add a rule for resolve_maps_urls: 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 Mcp. Nothing to install.
resolve_maps_urls is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the resolve_maps_urls 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 resolve_maps_urls. 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.
resolve_maps_urls is provided by the MCP server (https://mapstools.googleapis.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 Mcp tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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