Registry Lag — how fast MCP directories reflect a new server
app.rowb.registry-lag/reflection · v1.0.0
Checks whether an MCP server is listed in MCP directories right now, and how long the listing took.
Connect Remote server
claude mcp add --transport http reflection https://registry-lag.rowb.app/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"reflection": {
"url": "https://registry-lag.rowb.app/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"reflection": {
"type": "http",
"url": "https://registry-lag.rowb.app/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://registry-lag.rowb.app/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 2 found in our last check
check_directory_lagCheck whether an MCP server name is listed in public MCP directories right now, and how long until it appeared (reflection lag).
get_reportNames checked so far with run counts and first/last seen timestamps.
Headers
| Name | Description |
|---|---|
AuthorizationRequired, secret | Bearer API key. Free key at https://registry-lag.rowb.app/signup (50 checks/month, no card). |
Details
| Endpoint | https://registry-lag.rowb.app/mcp (Streamable HTTP) |
| First published | 26 Sep 2026 |
| Last updated | 26 Sep 2026 |
| Registry name | app.rowb.registry-lag/reflection |
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