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io.github.uponex/gisgp
io.github.uponex/gisgp in the official MCP registry.
Endpoint https://gisgp.com/mcp. Source: github.com/uponex/gisgp-mcp.
The registry describes it as: GIS tools for AI agents: 65 free tools + 8 paid (hazard/site-scouting/GeoJSON export)
We read its 112 tools on 2026-10-26. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
convert_coordinates validate_geojson geojson_to_csv count_features extract_domains check_field_types check_service_health rest_explore compare_schemas shapefile_to_geojson kml_to_geojson gpx_to_geojson geojson_to_gpx flatgeobuf_to_geojson geojson_to_flatgeobuf mapinfo_tab_to_geojson geojson_to_mapinfo_tab query_features query_statistics geometry_stats reproject_geojson simplify_geometry reduce_precision csv_to_geojson geojson_to_kml geojson_to_shapefile gpx_to_kml kml_to_shapefile kml_to_gpx shapefile_to_gpx gpx_to_shapefile csv_to_gpx gpx_to_csv wkt_to_geojson geojson_to_wkt dxf_to_geojson geojson_to_dxf list_dxf_layers georeference_dxf dxf_to_pdf_report grade_service audit_service find_layer_issues share_map embed_map_snippet buffer_geojson dissolve_geojson centroids_geojson convex_hull_geojson overlay_geojson spatial_join_geojson nearest_features_geojson fix_geometry geojson_diff epsg_suggest tile_math envelope_geojson minimum_rotated_rectangle voronoi_geojson full_service_audit and 52 more
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[](https://lazaretto.dev/mcp-registry/io-github-uponex-gisgp)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.