com.cribalo/criba
criba: who is calling your MCP server
Is the criba MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-09.
Identify who calls your MCP server or A2A agent: declared identity vs observed behaviour.
alive probed 2026-11-15 · unchanged since 2026-11-09 · HTTP 200
- Endpoint
- https://criba.cribalo.com/mcp (streamable-http)
- Host
- criba.cribalo.com
- Protocol
- 2025-11-25
- Reports itself as
- criba 0.1.0
- Capabilities
- tools
- Instructions
- 441 characters
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.4k tokens in Claude Opus 5.5, exact, measured 2026-11-09. With the Claude Code prefix mcp__…__ on each tool name: 1.4k. The o200k_base estimate is 781. Counted again when the tool definitions change. Method.
- Website
- https://criba.cribalo.com/
- Registry
- active, updated 2026-11-09 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.74×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| classify_visitor | 811 | 467 | 60 % |
| list_known_bots | 295 | 170 | 22 % |
| identify_client | 250 | 144 | 18 % |
Compare this server with others.
More servers
Servers that mention criba.
- Scribase com.scribase/scribase · alive
- Cribalo research MCP (decoy) com.cribalo/research-mcp · alive
- Ridian Calendar Feeds com.getridian/calendar-feeds · needs auth
- Scribase Toolgate com.scribase/toolgate · 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.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.