{
  "markdown": "# @urbankitstudio/mcp-atlas\n\n[![mcp-atlas MCP server](https://glama.ai/mcp/servers/LEOyrh/mcp-atlas/badges/card.svg)](https://glama.ai/mcp/servers/LEOyrh/mcp-atlas)\n\nQuery 155 verified US county parcel ArcGIS REST endpoints for owner, APN, and address lookup via the Model Context Protocol (MCP).\n\nAn [MCP](https://modelcontextprotocol.io) 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.\n\n**Coverage:** 155 counties across all 50 US states.\n\n---\n\n## Quick start\n\n### Claude Desktop\n\nAdd to `~/Library/Application Support/Claude/claude_desktop_config.json` (macOS) or `%APPDATA%\\Claude\\claude_desktop_config.json` (Windows):\n\n```json\n{\n  \"mcpServers\": {\n    \"mcp-atlas\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"@urbankitstudio/mcp-atlas\"]\n    }\n  }\n}\n```\n\n### Cursor\n\nAdd to `.cursor/mcp.json` in your project root (or `~/.cursor/mcp.json` globally):\n\n```json\n{\n  \"mcpServers\": {\n    \"mcp-atlas\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"@urbankitstudio/mcp-atlas\"]\n    }\n  }\n}\n```\n\n### Install globally (optional)\n\n```sh\nnpm install -g @urbankitstudio/mcp-atlas\n```\n\nThen use `mcp-atlas` as the command instead of `npx -y @urbankitstudio/mcp-atlas`.\n\n---\n\n## Tools\n\n### `list_counties`\n\nLists all counties with a verified parcel REST endpoint.\n\n| Parameter | Type | Required | Description |\n|-----------|------|----------|-------------|\n| `state` | string | No | Two-letter abbreviation (`IL`) or full name (`Illinois`) |\n\n**Example prompt:** \"List all covered counties in Illinois\"\n\n**Example output:**\n```\nST | County               | Slug                     | Coverage\n--------------------------------------------------------------------\nIL | Kane                 | kane-county              | owner+APN\nIL | Cook                 | cook-county              | APN only\nIL | DuPage               | dupage-county            | owner+APN\n...\n```\n\n---\n\n### `find_county`\n\nFuzzy-matches a county by name or 5-digit FIPS code. Returns endpoint URLs, searchable field names, owner field, sample query, and license info.\n\n| Parameter | Type | Required | Description |\n|-----------|------|----------|-------------|\n| `query` | string | Yes | County name (`Kane`), name+state (`Kane IL`), or FIPS (`17089`) |\n\n**Example prompt:** \"Find the parcel endpoint for Kane County Illinois\"\n\n---\n\n### `get_parcel_endpoint`\n\nReturns the full ArcGIS REST URL, layer index, searchable fields, owner field, and a ready sample `?where=…&f=json` query for a specific county.\n\n| Parameter | Type | Required | Description |\n|-----------|------|----------|-------------|\n| `state` | string | Yes | Two-letter abbreviation or full name |\n| `county` | string | Yes | County name (`Kane` or `Kane County`) |\n\n**Example prompt:** \"Give me the ArcGIS REST endpoint for Cook County Illinois\"\n\n---\n\n### `build_owner_query`\n\nConstructs the exact ArcGIS REST query URL using the county's verified owner/taxpayer field. Uses `UPPER(field) LIKE UPPER('%NAME%')` — case-insensitive partial match.\n\n| Parameter | Type | Required | Description |\n|-----------|------|----------|-------------|\n| `state` | string | Yes | Two-letter abbreviation or full name |\n| `county` | string | Yes | County name |\n| `owner_name` | string | Yes | Owner/taxpayer name (partial match) |\n\n**Example prompt:** \"Build an ArcGIS query for properties owned by 'Smith' in Kane County IL\"\n\n**Example output:**\n```\nCounty:       Kane, Illinois\nOwner field:  TaxName\nWHERE clause: UPPER(TaxName) LIKE UPPER('%SMITH%')\n\nQuery URL:\nhttps://gistech.countyofkane.org/arcgis/rest/services/KanePINList/MapServer/0/query\n  ?where=UPPER(TaxName)%20LIKE%20UPPER('%25SMITH%25')\n  &outFields=PIN,TaxName,SiteAddress,SiteCity,MailingAddress\n  &returnGeometry=false&f=json&resultRecordCount=25\n```\n\n---\n\n## Example conversation\n\n> **User:** I'm doing due diligence on properties in Kane County, Illinois. Can you find all parcels owned by \"Blackstone\"?\n\n> **Claude (using mcp-atlas):**\n> 1. Calls `get_parcel_endpoint` → gets the `gistech.countyofkane.org` URL and confirms the owner field is `TaxName`\n> 2. Calls `build_owner_query` with `owner_name=Blackstone` → returns a ready fetch URL\n> 3. Optionally fetches the URL and formats the parcel results\n\n---\n\n## Atlas coverage\n\nThe atlas is maintained by [UrbanKit Studio](https://urbankitstudio.com/parcel-atlas). All endpoints are manually verified. Counties with an owner/taxpayer field support full name-based lookups; PIN-only counties support APN/parcel-number queries.\n\nFull coverage map: https://urbankitstudio.com/parcel-atlas\n\n---\n\n## Data\n\nAtlas data is embedded in the package (no network calls at startup). The underlying `@urbankitstudio/atlas` SDK is also published separately for programmatic use.\n\n---\n\n## License\n\nMIT — © 2026 UrbanKit Studio\n",
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