io.github.cyanheads/open-meteo-mcp-server
open-meteo-mcp-server
io.github.cyanheads/open-meteo-mcp-server costs 9 696 tokens of context per session. It has 11 tool definitions. That is 4.8 % of a 200k window. Measured 2026-10-03.
Global weather via Open-Meteo: forecast, historical, marine, air quality, geocoding, elevation.
alive probed 2026-10-03 · HTTP 200
11tools
9.7ktokens for the tool definitions
4.8 %of a 200k context window
982 msto initialize
427 msto list tools
- Endpoint
- https://open-meteo.caseyjhand.com/mcp (streamable-http)
- Host
- open-meteo.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- open-meteo-mcp-server 0.3.11
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 4 367 characters
- Repository
- https://github.com/cyanheads/open-meteo-mcp-server
- Registry
- active, updated 2026-09-22 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| openmeteo_get_ensemble | 1 596 | 16 % |
| openmeteo_get_historical | 1 413 | 15 % |
| openmeteo_get_forecast | 1 270 | 13 % |
| openmeteo_get_air_quality | 1 097 | 11 % |
| openmeteo_get_marine | 1 016 | 10 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:37 | alive | 982 ms | 11 | 9.7k |
| 2026-10-03 17:53 | alive | 346 ms | 11 | 9.7k |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.github.cyanheads/open-meteo-mcp-server)