Registry Lag — how fast MCP directories reflect a new server
app.
Checks whether an MCP server is listed in MCP directories right now, and how long the listing took.
Live
Last successful check: 25 Oct 2026, 20:36 UTC.
- answered, last 24 hours
- 100%
- answered, last 30 days
- 100%
At registry-lag.rowb.app, its best endpoint.
How addrbook checks →Connect
https:MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.
Who's behind it
- Listed by
- MCP Registryapp.
rowb. registry- lag/ reflectionlast seen UTC
- MCP Registryapp.
- Wallets named
- None in its listings
- Listed since
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| registry- | MCP | Live | 100% | 100% | 2 | ||
| registry- | Website | Live | 100% | 100% | — |