MCP-OSM: OpenStreetMap Integration for MCP
This package provides OpenStreetMap integration for MCP, allowing users to query
and visualize map data through an MCP interface.

Features
- Web-based map viewer using Leaflet and OpenStreetMap
- Server-to-client communication via Server-Sent Events (SSE)
- MCP tools for map control (adding markers, polygons, setting view, getting view)
- PostgreSQL/PostGIS query interface for OpenStreetMap data
Installation
This is my claude_desktop_config.json
:
When the MCP server starts it also starts a web server at
http://localhost:8889/
that has the map interface.
Environment Variables
The following environment variables can be used to configure the MCP:
FLASK_HOST
- Host for the Flask server (default: 127.0.0.1)
FLASK_PORT
- Port for the Flask server (default: 8889)
PGHOST
- PostgreSQL host (default: localhost)
PGPORT
- PostgreSQL port (default: 5432)
PGDB
- PostgreSQL database name (default: osm)
PGUSER
- PostgreSQL username (default: postgres)
PGPASSWORD
- PostgreSQL password (default: postgres)
MCP Tools
The following MCP tools are available:
get_map_view
- Get the current map view
set_map_view
- Set the map view to specific coordinates or bounds
set_map_title
- Set the title displayed at the bottom right of the map
add_map_marker
- Add a marker at specific coordinates
add_map_line
- Add a line defined by a set of coordinates
add_map_polygon
- Add a polygon defined by a set of coordinates
query_osm_postgres
- Execute a SQL query against the OpenStreetMap database
MCP-OSM: OpenStreetMap Integration for MCP
This package provides OpenStreetMap integration for MCP, allowing users to query
and visualize map data through an MCP interface.

Features
- Web-based map viewer using Leaflet and OpenStreetMap
- Server-to-client communication via Server-Sent Events (SSE)
- MCP tools for map control (adding markers, polygons, setting view, getting view)
- PostgreSQL/PostGIS query interface for OpenStreetMap data
Installation
This is my claude_desktop_config.json
:
When the MCP server starts it also starts a web server at
http://localhost:8889/
that has the map interface.
Environment Variables
The following environment variables can be used to configure the MCP:
FLASK_HOST
- Host for the Flask server (default: 127.0.0.1)
FLASK_PORT
- Port for the Flask server (default: 8889)
PGHOST
- PostgreSQL host (default: localhost)
PGPORT
- PostgreSQL port (default: 5432)
PGDB
- PostgreSQL database name (default: osm)
PGUSER
- PostgreSQL username (default: postgres)
PGPASSWORD
- PostgreSQL password (default: postgres)
MCP Tools
The following MCP tools are available:
get_map_view
- Get the current map view
set_map_view
- Set the map view to specific coordinates or bounds
set_map_title
- Set the title displayed at the bottom right of the map
add_map_marker
- Add a marker at specific coordinates
add_map_line
- Add a line defined by a set of coordinates
add_map_polygon
- Add a polygon defined by a set of coordinates
query_osm_postgres
- Execute a SQL query against the OpenStreetMap database