Open Meteo MCP Server - install, status & alternatives [2026]

01 · Install Open Meteo MCP Server

before you install - you'll need

Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL before connecting.

Claude Code

claude mcp add cyanheads-open-meteo-mcp-server --transport http https://open-meteo.caseyjhand.com/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "cyanheads-open-meteo-mcp-server": {
      "url": "https://open-meteo.caseyjhand.com/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://open-meteo.caseyjhand.com/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to open-meteo.caseyjhand.com

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license Apache-2.0 - declared in the repository

npm package @cyanheads/open-meteo-mcp-server - published under the repo owner's npm scope (@cyanheads)

registry namespace io.github.cyanheads is GitHub-verified and matches the repo owner

03 · What Open Meteo MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can resolve a place name to ranked coordinate matches with country, region, elevation, timezone, and population, and run a read-only SQL SELECT against tables staged on a DataCanvas.

Capability map

Tools grouped from the project's README - what Open Meteo MCP Server lets an agent do.

Openmeteo

11 tools - e.g. Resolve a place name to ranked coordinate matches with country, region, elevation, timezone, and population; Weather forecast for coordinates: hourly and/or daily variables for up to 16 days, with…

openmeteo_search_locations · openmeteo_get_forecast · openmeteo_get_historical · openmeteo_get_marine · openmeteo_get_air_quality · openmeteo_get_elevation…

Spill

1 tool - e.g. query workflow: call openmeteo_dataframe_describe with the canvas_id to list tables, then openmeteo_dataframe_query to run SQL SELECT against the staged data

Spill

Coordinate

1 tool - e.g. no river ID needed; the API snaps to the nearest river grid point automatically

Coordinate-based

Coverage

1 tool - e.g. 1950-01-01 to 2050-12-31, daily resolution only

Coverage

Latest releases

v0.3.5 · 2026-08-22

SDK v2 protocol adoption · Tools now reject undeclared root input keys and advertise JSON Schema 2020-12. · Tool output schemas declare error envelopes and support the current MCP protocol revision. · Runtime…

v0.3.4 · 2026-07-31

Per-cadence preview budgets, coverage-gap detection, literal-comma encoding · All four two-cadence tools (forecast, historical, marine, ensemble) now bound their inline preview to one shared budget per cadence on both…

v0.3.3 · 2026-07-31

Per-cadence preview bounding, documented model catalog · Canvas-less preview on openmeteo_get_forecast, openmeteo_get_historical, and openmeteo_get_marine bounds hourly and daily separately, so a wide hourly window no…

04 · Who maintains Open Meteo MCP Server

open-meteo-mcp-server is maintained by cyanheads. We track 125 MCP servers from cyanheads - 124 actively maintained, 1,730 combined GitHub stars, oldest repo from Dec 2024. Full record: all servers from cyanheads.

05 · Facts

repository: github.com/cyanheads/open-meteo-mcp-server
category: maps & location - ranked #13 of 56 actively-maintained maps & location servers as of 2026-08-25.
release cadence: 10+ releases in the last 90 days (latest 2026-08-22)
registry: io.github.cyanheads/open-meteo-mcp-server (active, first published 2026-05-30 · 21 versions)
packages: npm:@cyanheads/open-meteo-mcp-server · npm:@cyanheads/open-meteo-mcp-server

06 · Open Meteo MCP Server FAQ

Is Open Meteo MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-22 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

What can Open Meteo MCP Server do?

With this server connected, an agent can resolve a place name to ranked coordinate matches with country, region, elevation, timezone, and population, and run a read-only SQL SELECT against tables staged on a DataCanvas.

How do I install Open Meteo MCP Server?

Run `npx -y @cyanheads/open-meteo-mcp-server`. The README documents 2 environment variables (MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL) to set first. Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL before connecting. You can also paste the ready-made client config above.

Does Open Meteo MCP Server require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to Open Meteo MCP Server

Alternatives to Open Meteo MCP Server

Maintained maps & location servers if Open Meteo MCP Server isn't the fit.

More maps & location MCP servers · Openstreetmap MCP Server · DC Member API · Job Data Lake · MeteoSwiss MCP Server · Echorune Radar

More TypeScript MCP servers · Openalex MCP Server · Openaq MCP Server · Openfda MCP Server · Openfec MCP Server · Openlibrary MCP Server · see all