com.velliumandco/lab
Vellium & Co Testing Lab
Independent checks of paid x402 data sellers and of AI-agent access to shopping and travel sites
alive probed 2026-10-14 · HTTP 200
9tools
1.9ktokens in Claude Opus 5.5
1.9ktokens in Claude Code
0.9 %of a 200k context window
1.1ko200k_base estimate
785 msto initialize
1.3 sto list tools
- Endpoint
- https://velliumandco.com/mcp (streamable-http)
- Host
- velliumandco.com
- Protocol
- 2025-11-25
- Reports itself as
- vellium-lab 1.0.0
- Capabilities
- tools
- Instructions
- 123 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Website
- https://velliumandco.com/
- Registry
- active, updated 2026-10-12 · registry entry
- Reachable
- 3 of the last 3 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| search_sellers | 273 | 26 % |
| list_websites | 209 | 20 % |
| find_route | 182 | 17 % |
| list_categories | 103 | 10 % |
| check_seller | 78 | 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 |
|---|---|---|---|---|---|
| 2026-10-14 09:16 | alive | 829 ms | 9 | 1.9k | 1.1k |
| 2026-10-13 11:10 | alive | 164 ms | 9 | 1.8k | 1.0k |
| 2026-10-12 11:34 | alive | 785 ms | 8 | 1.4k | 820 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.velliumandco/lab)
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.