Schema | osm-mcp

osm-mcp

Describes the environment variables required to run the server.

Name	Required	Description	Default
`OSM_MCP_DSN`	Yes	Required libpq connection string for the PostGIS database. Use a read-only DB role.
`OSM_MCP_HOST`	No	Host for HTTP/SSE transport (default 127.0.0.1).	127.0.0.1
`OSM_MCP_PORT`	No	Port for HTTP/SSE transport (default 8000).	8000
`OSM_MCP_SRID`	No	SRID of the 'way' geometry column (default 3857).	3857
`OSM_MCP_MAX_ROWS`	No	Row cap applied to result sets (default 200).	200
`OSM_MCP_TRANSPORT`	No	Transport type: stdio, streamable-http, http, or sse. Default is stdio.	stdio
`OSM_MCP_STATEMENT_TIMEOUT_MS`	No	Per-query statement timeout in milliseconds (default 5000).	5000

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Features and capabilities supported by this server

Protocol revision2025-11-25

Capability	Details
`tools`	{ "listChanged": false }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
describe_schemaA	List available planet_osm_* tables, their tag columns, and geometry SRID.
list_categoriesC	Top values (with counts) of key OSM tags, to discover filters.
search_featuresA	Search OSM features by name (ILIKE) and/or tag filters, optional bbox.
find_nearbyB	Features within radius_m meters of (lat, lon), ordered by distance.
features_in_areaC	Features inside a bbox [min_lon,min_lat,max_lon,max_lat] or a named/osm_id polygon.
count_by_categoryB	Count features per value of a tag (default amenity), optionally within an area.
run_sqlC	Run a single read-only SELECT/WITH query against the OSM tables.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources