About MassMapper MCP Dxt
MassMapper MCP Dxt is an MCP server published by funferall in the Social category: a self‑contained Model Context Protocol (MCP) server packaged as a .dxt extension for Claude Desktop, Cursor, etc. that lets you search the statewide MassGIS catalog, run GeoServer ECQL spatial queries, and instantly open results in MassMapper—complete with an exportable notepad and zero‑config Python sandbox.
The repository has 1 stars and 0 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.
Install
git clone https://github.com/funferall/MassMapper_MCP_dxtThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (12)
describe_layer_schema**CRITICAL**: Displays the exact column names and data types for a layer's attributes. Essential for building correct queries
Parameters not published.
find_nearbyA last-resort tool to find features within a given radius of a specific latitude/longitude point
Parameters not published.
get_layer_detailsRetrieves detailed metadata and a summary for a specific data layer
Parameters not published.
intersect_with_townA simplified tool for finding features from a layer that are located within a specific Massachusetts town
Parameters not published.
list_categoriesLists all available data categories to help narrow down searches
Parameters not published.
massmapper_link**VISUALIZATION**: Generates a MassMapper URL to create an interactive map showing the layers and features from the analysis
Parameters not published.
notepad_clearClears all entries from the notepad
Parameters not published.
notepad_exportExports the collected notepad entries into a file (e.g., CSV or JSON)
Parameters not published.
notepad_readDisplays the contents of the notepad
Parameters not published.
notepad_writeAppends text or data (like query results) to an internal notepad
Parameters not published.
query_spatialThe primary tool for executing complex spatial queries (e.g., INTERSECTS, DWITHIN) using ECQL filters
Parameters not published.
search_layersSearches for MassGIS data layers using keywords and optional categories
Parameters not published.
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