NestDaddy

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

Terminal
claude mcp add --transport http reflection https://registry-lag.rowb.app/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "reflection": {
      "url": "https://registry-lag.rowb.app/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "reflection": {
      "type": "http",
      "url": "https://registry-lag.rowb.app/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
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_lag

    Check whether an MCP server name is listed in public MCP directories right now, and how long until it appeared (reflection lag).

  • get_report

    Names checked so far with run counts and first/last seen timestamps.

Headers

NameDescription
Authorization
Required, secret
Bearer API key. Free key at https://registry-lag.rowb.app/signup (50 checks/month, no card).

Details

Endpointhttps://registry-lag.rowb.app/mcp (Streamable HTTP)
First published26 Sep 2026
Last updated26 Sep 2026
Registry nameapp.rowb.registry-lag/reflection

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