io.github.sumioshi/wacrew
WACrew
Is the WACrew MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
WhatsApp for AI agents: read chats, transcribe voice notes and reply at a human pace.
alive probed 2026-11-14
36tools
16ktokens in Claude Opus 5.5
8.0 %of Claude's 200k window
6.3×the median server
239 msto initialize
10 msto list tools
- Run it
- npx -y wacrew-mcp@0.1.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- whatsapp-collector 0.1.0
- Capabilities
- tools
- Instructions
- 2 054 characters
- Of a 1M window
- 1.6 % of a 1M context window
- Count
- 16k tokens in Claude Opus 5.5, exact, measured 2026-11-14. With the Claude Code prefix mcp__…__ on each tool name: 16k. The o200k_base estimate is 9.1k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/sumioshi/wacrew
- Website
- https://wacrew.com.br
- Registry
- active, updated 2026-11-14 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.75×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| responder | 2 506 | 1 433 | 16 % |
| caixa_de_entrada | 1 089 | 623 | 7 % |
| definir_modo | 696 | 398 | 4 % |
| ler_mensagens | 673 | 385 | 4 % |
| responder_midia | 649 | 371 | 4 % |
Compare this server with others.
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Other registry entries on npmjs.com, the ones next to this name; all of them.
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- GitLab MCP Server io.github.sumirati/mcp-gitlab · alive
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- io.github.sunhome243/figma-mcp-express · alive
Servers that mention transcribe or whatsapp.
- DarkFunnels ai.darkfunnels/whatsapp-sales-agent · needs auth
- DarkFunnels documentation ai.darkfunnels/docs · alive
- Fine Structure ai.finestructure/fine-structure · alive
- ai.izap/whatsapp · needs auth
- ai.kontato/kontato · needs auth
- QuillHub ai.quillhub/mcp · needs auth
- Talpy Aya — AI recruiter (WhatsApp interviews) ai.talpy/aya · alive
- Uttera ai.uttera/uttera · needs auth
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.