com.mozilladatacollective/datasets
Mozilla Data Collective
Search the Mozilla Data Collective catalog of ethically sourced AI training datasets.
alive probed 2026-10-05 · HTTP 200
3tools
1.5ktokens in Claude Opus 5.5
1.6ktokens in Claude Code
0.8 %of a 200k context window
893o200k_base estimate
918 msto initialize
135 msto list tools
- Endpoint
- https://mozilladatacollective.com/api/mcp (streamable-http)
- Host
- mozilladatacollective.com
- Protocol
- 2025-11-25
- Reports itself as
- mozilla-data-collective 0.1.0
- Capabilities
- tools
- Instructions
- 1 585 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://mozilladatacollective.com
- Registry
- active, updated 2026-09-07 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| search | 677 | 76 % |
| fetch | 109 | 12 % |
| list_filters | 107 | 12 % |
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 13:27 | alive | 918 ms | 3 | 1.5k | 893 |
| 2026-10-05 00:17 | alive | 810 ms | 3 | 893 | |
| 2026-10-04 09:57 | alive | 1.6 s | 3 | 893 | |
| 2026-10-04 07:50 | alive | 1.7 s | 3 | 893 | |
| 2026-10-03 20:31 | alive | 1.6 s | 3 | 893 | |
| 2026-10-03 17:48 | alive | 261 ms | 3 | 893 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.mozilladatacollective/datasets)
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.