io.github.ivanoats/wsg-check
WSG Check
Check websites against the W3C Web Sustainability Guidelines and look up the guidelines
alive probed 2026-10-15
3tools
1.0ktokens in Claude Opus 5.5
1.1ktokens in Claude Code
0.5 %of a 200k context window
605o200k_base estimate
772 msto initialize
12 msto list tools
- Run it
- npx -y @sustainablewebsites/wsg-check@0.6.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- wsg-check 0.6.2
- Capabilities
- tools
- Instructions
- 354 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/ivanoats/wsg-check
- Website
- https://github.com/ivanoats/wsg-check#use-with-ai-assistants-mcp
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| check_url | 302 | 50 % |
| list_guidelines | 183 | 30 % |
| get_guideline | 120 | 20 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.ivanoats/wsg-check)
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.