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Query verified US county parcel ArcGIS REST endpoints for owner/APN lookup. No API key needed.
Query verified US county parcel ArcGIS REST endpoints for owner/APN lookup. No API key needed.
Valid MCP server (2 strong, 2 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
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Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-leoyrh-mcp-atlas": {
"args": [
"-y",
"@urbankitstudio/mcp-atlas"
],
"command": "npx"
}
}
}From the project's GitHub README.
Query 137 verified US county parcel ArcGIS REST endpoints — owner/APN lookup — via MCP.
An MCP server that gives AI assistants direct access to UrbanKit Studio's atlas of manually verified county parcel GIS services. Ask Claude or Cursor to find the ArcGIS REST endpoint for any covered county, get the exact owner-search query URL, and look up parcel data — without needing to know anything about ArcGIS REST API conventions.
Coverage: 128+ counties across 39 US states (v0.4.0 atlas, updated May 2026).
Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):
{
"mcpServers": {
"mcp-atlas": {
"command": "npx",
"args": ["-y", "@urbankitstudio/mcp-atlas"]
}
}
}
Add to .cursor/mcp.json in your project root (or ~/.cursor/mcp.json globally):
{
"mcpServers": {
"mcp-atlas": {
"command": "npx",
"args": ["-y", "@urbankitstudio/mcp-atlas"]
}
}
}
npm install -g @urbankitstudio/mcp-atlas
Then use mcp-atlas as the command instead of npx -y @urbankitstudio/mcp-atlas.
list_countiesLists all counties with a verified parcel REST endpoint.
| Parameter | Type | Required | Description |
|---|---|---|---|
state | string | No | Two-letter abbreviation (IL) or full name (Illinois) |
Example prompt: "List all covered counties in Illinois"
Example output:
ST | County | Slug | Coverage
--------------------------------------------------------------------
IL | Kane | kane-county | owner+APN
IL | Cook | cook-county | APN only
IL | DuPage | dupage-county | owner+APN
...
find_countyFuzzy-matches a county by name or 5-digit FIPS code. Returns endpoint URLs, searchable field names, owner field, sample query, and license info.
| Parameter | Type | Required | Description |
|---|---|---|---|
query | string | Yes | County name (Kane), name+state (Kane IL), or FIPS (17089) |
Example prompt: "Find the parcel endpoint for Kane County Illinois"
get_parcel_endpointReturns the full ArcGIS REST URL, layer index, searchable fields, owner field, and a ready sample ?where=…&f=json query for a specific county.
| Parameter | Type | Required | Description |
|---|---|---|---|
state | string | Yes | Two-letter abbreviation or full name |
county | string | Yes | County name (Kane or Kane County) |
Example prompt: "Give me the ArcGIS REST endpoint for Cook County Illinois"
build_owner_queryConstructs the exact ArcGIS REST query URL using the county's verified owner/taxpayer field. Uses UPPER(field) LIKE UPPER('%NAME%') — case-insensitive partial match.
| Parameter | Type | Required | Description |
|---|---|---|---|
state | string | Yes | Two-letter abbreviation or full name |
county | string | Yes | County name |
owner_name | string | Yes | Owner/taxpayer name (partial match) |
Example prompt: "Build an ArcGIS query for properties owned by 'Smith' in Kane County IL"
Example output:
County: Kane, Illinois
Owner field: TaxName
WHERE clause: UPPER(TaxName) LIKE UPPER('%SMITH%')
Query URL:
https://gistech.countyofkane.org/arcgis/rest/services/KanePINList/MapServer/0/query
?where=UPPER(TaxName)%20LIKE%20UPPER('%25SMITH%25')
&outFields=PIN,TaxName,SiteAddress,SiteCity,MailingAddress
&returnGeometry=false&f=json&resultRecordCount=25
User: I'm doing due diligence on properties in Kane County, Illinois. Can you find all parcels owned by "Blackstone"?
Claude (using mcp-atlas):
- Calls
get_parcel_endpoint→ gets thegistech.countyofkane.orgURL and confirms the owner field isTaxName- Calls
build_owner_querywithowner_name=Blackstone→ returns a ready fetch URL- Optionally fetches the URL and formats the parcel results
The atlas is maintained by UrbanKit Studio. All endpoints are manually verified. Counties with an owner/taxpayer field support full name-based lookups; PIN-only counties support APN/parcel-number queries.
Full coverage map: https://urbankitstudio.com/parcel-atlas
Atlas data is embedded in the package (no network calls at startup). The underlying @urbankitstudio/atlas SDK is also published separately for programmatic use.
MIT — © Leo Yong / UrbanKit Studio
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