Ryan Baumann 3bb29a7816 refactor(grounding-lite): condense skill to follow best practices

- Reduce from 141 to 37 lines (74% reduction)
- Follow "Be Concise" best practice from skills docs
- Add install spec for mcporter auto-installation
- Keep all essential commands and notes
- Match gemini/mcporter skill structure

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-26 11:56:12 -08:00

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grounding-lite

Google Maps Grounding Lite MCP for AI-powered location search, weather, and routes via mcporter.

https://developers.google.com/maps/ai/grounding-lite

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mcporter

GOOGLE_MAPS_API_KEY

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mcporter

Install mcporter (npm)

Grounding Lite

Google Maps Grounding Lite MCP for AI-grounded location data. Experimental (pre-GA), free during preview.

Setup

Configure once: mcporter config add grounding-lite --url https://mapstools.googleapis.com/mcp --header "X-Goog-Api-Key=$GOOGLE_MAPS_API_KEY"
Or ad-hoc: mcporter call "https://mapstools.googleapis.com/mcp.search_places" --header "X-Goog-Api-Key=$GOOGLE_MAPS_API_KEY" text_query="..."

Search places

mcporter call grounding-lite.search_places text_query="coffee shops near Central Park"
With bias: mcporter call grounding-lite.search_places text_query="pizza" location_bias='{"center":{"latitude":40.7829,"longitude":-73.9654},"radius":2000}'

Lookup weather

mcporter call grounding-lite.lookup_weather location='{"address":"San Francisco, CA"}' units_system=IMPERIAL
By coords: mcporter call grounding-lite.lookup_weather location='{"lat_lng":{"latitude":37.77,"longitude":-122.41}}'
Forecast: mcporter call grounding-lite.lookup_weather location='{"address":"New York, NY"}' date='{"year":2026,"month":1,"day":28}' hour=14

Compute routes

mcporter call grounding-lite.compute_routes origin='{"address":"San Francisco, CA"}' destination='{"address":"Los Angeles, CA"}' travel_mode=DRIVE
Walking: mcporter call grounding-lite.compute_routes origin='{"address":"Times Square, NYC"}' destination='{"address":"Central Park, NYC"}' travel_mode=WALK

List tools

mcporter list grounding-lite --schema

Notes

Rate limits: search_places (100 QPM, 1K QPD), lookup_weather (300 QPM), compute_routes (300 QPM)
Weather has regional restrictions (US locations work; some international may not)
Responses include Google Maps links - include in user-facing output
API key security: restrict to mapstools.googleapis.com in Cloud Console

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Grounding Lite

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