io.usercase/mcp
Usercase
Is the Usercase MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-15.
Ask real users on your site and run virtual users in a real browser, then fix what they hit.
alive probed 2026-11-15
34tools
13ktokens in Claude Opus 5.5
6.7 %of Claude's 200k window
5.3×the median server
814 msto initialize
40 msto list tools
- Run it
- npx -y @usercase/mcp@0.2.17 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- usercase 0.2.17
- Capabilities
- prompts, tools
- Instructions
- 763 characters
- Of a 1M window
- 1.3 % of a 1M context window
- Count
- 13k tokens in Claude Opus 5.5, exact, measured 2026-11-15. With the Claude Code prefix mcp__…__ on each tool name: 14k. The o200k_base estimate is 8.4k. Counted again when the tool definitions change. Method.
- Website
- https://usercase.io
- Registry
- active, updated 2026-11-15 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.59×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| research_save | 1 572 | 990 | 12 % |
| save_people | 1 274 | 802 | 10 % |
| question_save | 1 134 | 714 | 8 % |
| steps_send | 921 | 580 | 7 % |
| question_check | 781 | 492 | 6 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.toreador/mcp-server · alive
- traql io.traql/mcp-server · alive
- TrustAgent — counterparty verification io.trust-agent/trustagent-mcp · alive
- TrustedMCP io.trustedmcp/trustedmcp · alive
- Venturi io.useventuri/venturi · alive
- Veriport: EU VAT number, IBAN, VAT rates and e-invoice checks io.veriport/veriport · alive
- Verity Score io.verityscore/geo-audit · not probed
- VibeVO io.vibevo/vibevo · crashed on start
Servers that mention browser or virtual.
- 69.ai ai.69ai/69ai · no DNS
- Authoryze ai.authoryze/authoryze · needs auth
- ai.foura/mcp · alive
- ai.kaiv/can-i-use · alive
- NativePort ai.nativeport/mcp · needs auth
- NeuroViz — AI Jewelry Photography ai.neuroviz/jewelry-photography · needs auth
- ai.openhelm/openhelm · needs auth
- PlayDrop ai.playdrop/mcp · 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.