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 2026-09-17

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.

The 11 tools it gives your agent

Extracted from the project's README - what open-meteo-mcp-server lets an agent do.

openmeteo_search_locations: - Resolve a place name to ranked coordinate matches with country, region, elevation, timezone, and population
openmeteo_get_forecast: - Weather forecast for coordinates: current conditions and/or hourly and daily variables for up to 16 days, with optional recent past data; wide windows spill to
openmeteo_get_historical: - Historical weather from the Open-Meteo reanalysis archive (1940–present); Best Match by default, or pin a models selection; large ranges spill to DataCanvas
openmeteo_get_marine: - Marine wave and ocean conditions for coastal or ocean coordinates: wave height, period, direction, swell, and sea-surface temperature; up to 8 forecast days, pa
openmeteo_get_air_quality: - Modeled CAMS air quality: PM2.5, PM10, NO2, O3, CO, dust, pollen, and European/US AQI indices; current conditions, up to 7 forecast days, past_days, or a start_
openmeteo_get_elevation: - Terrain elevation from Copernicus DEM (~90m resolution) for up to 100 coordinate pairs per call
openmeteo_get_ensemble: - Probabilistic ensemble forecast: per-member hourly/daily time series (up to 51 members, 16 days) for exceedance and uncertainty analysis
openmeteo_get_flood: - GloFAS river discharge forecast (up to 210 days) or reanalysis (1984–present); coordinate-based, resolving to the largest river within 5 km; large ranges spill
openmeteo_get_climate: - Bias-corrected daily CMIP6 climate projections (1950–2050) across up to 7 models; large ranges spill to DataCanvas
openmeteo_dataframe_describe: - List tables and columns on a DataCanvas staged by openmeteo_get_forecast, openmeteo_get_historical, openmeteo_get_marine, openmeteo_get_air_quality, openmeteo_g
openmeteo_dataframe_query: - Run a read-only SQL SELECT against tables staged on a DataCanvas

Latest releases

v0.3.10 · 2026-09-16

mcp-ts-core ^0.13.2 adoption, stateless session mode in src · createApp({ sessionMode: 'stateless' }) declares the HTTP session posture in src/index.ts (#47) - an HTTP run with MCP_SESSION_MODE unset now resolves…

v0.3.9 · 2026-09-10

Current conditions, archive model selection, low-confidence geocoding · current_variables input and current/current_units output on openmeteo_get_forecast and openmeteo_get_air_quality - current-only calls now allowed…

v0.3.8 · 2026-09-10

Upstream error classification, notice parity, cadence omission · HTTP 429 no longer retried - non-retryable RateLimited, relays the upstream reason when the body carries one (#49) · request_too_large declared on all…

04 · Who maintains Open Meteo MCP Server

open-meteo-mcp-server is maintained by cyanheads. We track 125 MCP servers from cyanheads - 119 actively maintained, 1,816 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 #12 of 66 actively-maintained maps & location servers as of 2026-09-18.
release cadence: 10+ releases in the last 90 days (latest 2026-09-16)
registry: io.github.cyanheads/open-meteo-mcp-server (active, first published 2026-05-30 · 26 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 2026-09-18, its last commit was 2026-09-16 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 2026-09-17; 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 · Sportsdata MCP · DC Member API · Job Data Lake · MeteoSwiss MCP Server

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