com.profullstack/w3bs
w3bs
Is the w3bs MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-12.
W3BS packages (w3bs.org)
alive probed 2026-11-14 · unchanged since 2026-11-12 · HTTP 200
12tools
2.1ktokens in Claude Opus 5.5
1.1 %of Claude's 200k window
0.8×the median server
1.0 sto initialize
53 msto list tools
- Endpoint
- https://w3bs.org/mcp (streamable-http)
- Host
- w3bs.org
- Protocol
- 2025-11-25
- Reports itself as
- w3bs 0.1.0
- Capabilities
- tools
- Instructions
- 171 characters
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 2.1k tokens in Claude Opus 5.5, exact, measured 2026-11-12. With the Claude Code prefix mcp__…__ on each tool name: 2.2k. The o200k_base estimate is 1.2k. Counted again when the tool definitions change. Method.
- Website
- https://w3bs.org
- Registry
- active, updated 2026-11-11 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.84×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| w3bs_ask | 331 | 180 | 16 % |
| w3bs_browse | 221 | 120 | 10 % |
| w3bs_run | 219 | 119 | 10 % |
| w3bs_packages | 200 | 109 | 9 % |
| w3bs_search | 173 | 94 | 8 % |
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.