io.github.nasa/earthdata-mcp
NASA Earthdata MCP
Discover, verify, and access NASA Earth science datasets via the Common Metadata Repository (CMR)
alive probed 2026-10-05 · HTTP 200
7tools
9.1ktokens in Claude Opus 5.5
9.2ktokens in Claude Code
4.5 %of a 200k context window
5.5ko200k_base estimate
318 msto initialize
80 msto list tools
- Endpoint
- https://cmr.earthdata.nasa.gov/mcp/v1 (streamable-http)
- Host
- cmr.earthdata.nasa.gov
- Protocol
- 2025-11-25
- Reports itself as
- earthdata-mcp dev
- Capabilities
- experimental, extensions, logging, prompts, resources, tools
- Instructions
- 19 289 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Registry
- active, updated 2026-09-11 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| get_collections | 1 863 | 34 % |
| get_granules | 1 502 | 27 % |
| get_tools | 558 | 10 % |
| get_services | 516 | 9 % |
| get_variables | 370 | 7 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 15:21 | alive | 318 ms | 7 | 9.1k | 5.5k |
| 2026-10-05 00:43 | alive | 360 ms | 7 | 5.5k | |
| 2026-10-04 10:06 | alive | 1.7 s | 7 | 5.5k | |
| 2026-10-04 07:59 | alive | 1.0 s | 7 | 5.5k | |
| 2026-10-03 20:39 | alive | 578 ms | 7 | 5.5k | |
| 2026-10-03 17:54 | alive | 1.2 s | 7 | 5.5k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.nasa/earthdata-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.