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Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data.
io.github.cyanheads/openstreetmap-mcp-server is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 78/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding io.github.cyanheads/openstreetmap-mcp-server to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add io.github.cyanheads/openstreetmap-mcp-server https://openstreetmap.caseyjhand.com/mcpReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-10-25T09:59:31.911855Z",
"publishedAt": "2026-10-25T09:59:31.911855Z",
"statusChangedAt": "2026-10-25T09:59:31.911855Z"
}
},
"server": {
"name": "io.github.cyanheads/openstreetmap-mcp-server",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://openstreetmap.caseyjhand.com/mcp",
"type": "streamable-http"
}
],
"version": "0.6.2",
"packages": [
{
"version": "0.6.2",
"transport": {
"type": "stdio"
},
"identifier": "@cyanheads/openstreetmap-mcp-server",
"runtimeHint": "npx",
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"environmentVariables": [
{
"name": "OSM_NOMINATIM_BASE_URL",
"format": "string",
"default": "https://nominatim.openstreetmap.org",
"description": "Nominatim API base URL. Override to use a private or mirror instance."
},
{
"name": "OSM_USER_AGENT",
"format": "string",
"default": "openstreetmap-mcp-server/0.6.2",
"description": "User-Agent sent to Nominatim and Overpass. Required by usage policy."
},
{
"name": "OSM_OVERPASS_BASE_URL",
"format": "string",
"description": "Overpass API endpoint URL. When set, pins every query to this one endpoint and disables mirror failover; OSM_OVERPASS_MAX_CONCURRENCY sizes it and a |N suffix is rejected. Leave unset to use OSM_OVERPASS_ENDPOINTS."
},
{
"name": "OSM_OVERPASS_ENDPOINTS",
"format": "string",
"default": "https://overpass-api.de/api/interpreter",
"description": "Comma-separated ordered list of Overpass endpoints. A failure advances to the next entry within the same tool call; a single entry means no failover. An entry written url|N gets N slots of its own and adds capacity, for an instance whose operator allows parallel queries, never a public FOSSGIS server; an unsuffixed later entry is failover only. Write a | inside a URL as %7C. Verify a mirror's usage policy, data coverage, and freshness before adding it. Ignored when OSM_OVERPASS_BASE_URL is set."
},
{
"name": "OSM_OVERPASS_MAX_CONCURRENCY",
"format": "number",
"default": "1",
"description": "Concurrent Overpass queries per endpoint: OSM_OVERPASS_BASE_URL, and every OSM_OVERPASS_ENDPOINTS entry not sized with |N. With no |N entry it is also the most queries in flight across all endpoints. A query waits at most 30 seconds in total for a slot, then fails with pacer_shed and a retryAfter. The default of 1 follows the public FOSSGIS instances, which allow one query in flight per user; raise it only for an instance whose operator allows parallel queries, such as a private or paid one."
},
{
"name": "MCP_LOG_LEVEL",
"format": "string",
"default": "info",
"description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
}
]
},
{
"version": "0.6.2",
"transport": {
"url": "http://localhost:3010/mcp",
"type": "streamable-http"
},
"identifier": "@cyanheads/openstreetmap-mcp-server",
"runtimeHint": "npx",
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"environmentVariables": [
{
"name": "MCP_TRANSPORT_TYPE",
"value": "http",
"format": "string",
"description": "Selects the HTTP transport."
},
{
"name": "MCP_HTTP_HOST",
"format": "string",
"default": "127.0.0.1",
"description": "The hostname for the HTTP server."
},
{
"name": "MCP_HTTP_PORT",
"format": "string",
"default": "3010",
"description": "The port to run the HTTP server on."
},
{
"name": "MCP_HTTP_ENDPOINT_PATH",
"format": "string",
"default": "/mcp",
"description": "The endpoint path for the MCP server."
},
{
"name": "MCP_PUBLIC_URL",
"format": "string",
"description": "Public origin override for deployments behind a TLS-terminating reverse proxy (e.g. https://mcp.example.com)."
},
{
"name": "MCP_AUTH_MODE",
"format": "string",
"default": "none",
"description": "Authentication mode to use: 'none', 'jwt', or 'oauth'."
},
{
"name": "OSM_NOMINATIM_BASE_URL",
"format": "string",
"default": "https://nominatim.openstreetmap.org",
"description": "Nominatim API base URL. Override to use a private or mirror instance."
},
{
"name": "OSM_USER_AGENT",
"format": "string",
"default": "openstreetmap-mcp-server/0.6.2",
"description": "User-Agent sent to Nominatim and Overpass. Required by usage policy."
},
{
"name": "OSM_OVERPASS_BASE_URL",
"format": "string",
"description": "Overpass API endpoint URL. When set, pins every query to this one endpoint and disables mirror failover; OSM_OVERPASS_MAX_CONCURRENCY sizes it and a |N suffix is rejected. Leave unset to use OSM_OVERPASS_ENDPOINTS."
},
{
"name": "OSM_OVERPASS_ENDPOINTS",
"format": "string",
"default": "https://overpass-api.de/api/interpreter",
"description": "Comma-separated ordered list of Overpass endpoints. A failure advances to the next entry within the same tool call; a single entry means no failover. An entry written url|N gets N slots of its own and adds capacity, for an instance whose operator allows parallel queries, never a public FOSSGIS server; an unsuffixed later entry is failover only. Write a | inside a URL as %7C. Verify a mirror's usage policy, data coverage, and freshness before adding it. Ignored when OSM_OVERPASS_BASE_URL is set."
},
{
"name": "OSM_OVERPASS_MAX_CONCURRENCY",
"format": "number",
"default": "1",
"description": "Concurrent Overpass queries per endpoint: OSM_OVERPASS_BASE_URL, and every OSM_OVERPASS_ENDPOINTS entry not sized with |N. With no |N entry it is also the most queries in flight across all endpoints. A query waits at most 30 seconds in total for a slot, then fails with pacer_shed and a retryAfter. The default of 1 follows the public FOSSGIS instances, which allow one query in flight per user; raise it only for an instance whose operator allows parallel queries, such as a private or paid one."
},
{
"name": "MCP_LOG_LEVEL",
"format": "string",
"default": "info",
"description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
}
]
}
],
"repository": {
"url": "https://github.com/cyanheads/openstreetmap-mcp-server",
"source": "github"
},
"description": "Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data."
}
}