mstar-addressvalidation-mcp-tool
MCP ServerFreeA stdio MCP server for Google address validation and nearby business lookup
Capabilities5 decomposed
google maps address validation with component parsing
Medium confidenceValidates postal addresses against Google's Address Validation API, parsing input into standardized components (street, city, state, postal code, country) and returning corrected/normalized addresses with validation confidence scores. Uses the Google Maps API client library to submit unstructured or partially-structured address strings and receive back canonicalized address components with geocoding metadata, enabling downstream systems to work with verified address data.
Exposes Google's Address Validation API through MCP's stdio protocol, allowing LLM agents and MCP clients to validate addresses without direct API integration — the MCP wrapper abstracts authentication and request/response handling, making address validation a composable tool in agent workflows
Tighter integration with LLM agents via MCP protocol compared to direct REST API calls, reducing boilerplate in agent code; however, limited to Google's validation rules with no option to use alternative providers like USPS or UPS
nearby business discovery with place details lookup
Medium confidenceQueries Google Places API to find businesses near a validated address, returning structured place data including name, type, rating, opening hours, and contact information. Implements a two-step pattern: first validates the address to get precise coordinates, then performs a nearby search within a configurable radius, and optionally fetches detailed place information for each result. Uses Google's Places API client to handle pagination and filtering of results.
Chains address validation with nearby business discovery in a single MCP tool, allowing agents to validate a location and discover nearby services in one workflow step — reduces round-trips between agent and API compared to calling validation and search separately
More integrated than calling Google Places API directly; however, limited to Google's place database and ranking algorithm — competitors like Foursquare or Yelp may have more detailed business metadata or different ranking strategies
mcp stdio protocol server for address and place tools
Medium confidenceImplements a Model Context Protocol (MCP) server using stdio transport, exposing address validation and nearby business lookup as callable tools that LLM agents and MCP clients can invoke. The server handles MCP protocol framing (JSON-RPC over stdin/stdout), tool schema registration, and request/response marshaling, allowing any MCP-compatible client (Claude, custom agents, etc.) to discover and call these tools without direct API integration.
Wraps Google Maps APIs in MCP's stdio protocol, enabling LLM agents to invoke address validation and place search as first-class tools without custom API client code — uses MCP's tool schema registry to advertise capabilities and handle request/response serialization
Cleaner integration with Claude and MCP-based agents compared to direct REST API calls; however, stdio transport is less scalable than HTTP for high-concurrency scenarios, and MCP adoption is still emerging compared to REST/OpenAI function calling
tool schema registration and discovery for mcp clients
Medium confidenceRegisters address validation and nearby business lookup as discoverable MCP tools with formal JSON Schema definitions, allowing clients to introspect available tools, their parameters, and return types before invoking them. The server exposes tool metadata (name, description, input schema, output schema) via MCP's tools/list and tools/call endpoints, enabling clients to dynamically discover capabilities and generate appropriate prompts for LLM agents.
Implements MCP's tool discovery protocol, allowing clients to query available tools and their schemas at runtime — enables dynamic agent prompting and input validation without hardcoding tool details in client code
More discoverable than OpenAI function calling (which requires clients to know function signatures in advance); however, less flexible than REST APIs that can return dynamic schema based on user context
configurable search radius and place type filtering for nearby discovery
Medium confidenceAllows callers to customize nearby business searches by specifying search radius (in meters) and filtering by place type (e.g., 'restaurant', 'hotel', 'pharmacy'), reducing irrelevant results and API costs. Parameters are passed as tool inputs and forwarded to Google Places API's nearby search endpoint, enabling agents to tailor searches to specific use cases without requiring multiple API calls.
Exposes Google Places API's radius and type filtering as configurable tool parameters, allowing agents to customize searches without requiring separate tool implementations for each use case
More flexible than hardcoded search parameters; however, still limited to Google's place type taxonomy — custom filtering logic must be implemented in the agent
Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.
Related Artifactssharing capabilities
Artifacts that share capabilities with mstar-addressvalidation-mcp-tool, ranked by overlap. Discovered automatically through the match graph.
Google Maps
** - Location services, directions, and place details.
@mapbox/mcp-server
Mapbox MCP server.
Google Maps MCP Server
Access Google Maps geocoding, directions, and place data via MCP.
Mapbox
** - Unlock geospatial intelligence through Mapbox APIs like geocoding, POI search, directions, isochrones and more.
@amap/amap-maps-mcp-server
MCP server for using the AMap Maps API
@mapbox/mcp-server
Mapbox MCP server.
Best For
- ✓E-commerce platforms handling customer shipping addresses
- ✓Logistics and delivery services validating pickup/dropoff locations
- ✓Real estate platforms standardizing property addresses
- ✓Teams building LLM agents that need to ground location data
- ✓Location-based recommendation engines powered by LLMs
- ✓Delivery and logistics platforms showing nearby service options
- ✓Real estate and property management tools analyzing neighborhood amenities
- ✓Teams building multi-step agents that combine address validation with local discovery
Known Limitations
- ⚠Requires valid Google Maps API key with Address Validation API enabled — no fallback validation method if quota exhausted
- ⚠Validation confidence scores are opaque (Google's internal algorithm) — cannot customize validation strictness
- ⚠API rate limits apply (default ~1000 requests/day for free tier) — high-volume address validation requires paid tier
- ⚠Only validates addresses; does not perform reverse geocoding or return latitude/longitude coordinates
- ⚠Nearby search returns up to 20 results per query — pagination required for larger result sets, adding latency
- ⚠Place details (hours, phone, website) may be incomplete or outdated if not recently updated by business owners
Requirements
Input / Output
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A stdio MCP server for Google address validation and nearby business lookup
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