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Registry Lag — how fast MCP directories reflect a new server

Official registry Other

Checks whether an MCP server is listed in MCP directories right now, and how long the listing took.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http registry-lag-how-fast-mcp-directories-re 'https://registry-lag.rowb.app/mcp' --header 'Authorization: <Bearer API key. Free key at https://registry-lag.rowb.app/signup (50 checks/month, no card).>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "registry-lag-how-fast-mcp-directories-re": {
            "type": "http",
            "url": "https://registry-lag.rowb.app/mcp",
            "headers": {
                "Authorization": "<Bearer API key. Free key at https://registry-lag.rowb.app/signup (50 checks/month, no card).>"
            }
        }
    }
}

Frequently asked questions

What is Registry Lag — how fast MCP directories reflect a new server?

Checks whether an MCP server is listed in MCP directories right now, and how long the listing took.

How do I install Registry Lag — how fast MCP directories reflect a new server?

It runs as a remote server. In Claude Code: claude mcp add --transport http registry-lag-how-fast-mcp-directories-re 'https://registry-lag.rowb.app/mcp' --header 'Authorization: <Bearer API key. Free key at https://registry-lag.rowb.app/signup (50 checks/month, no card).>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Registry Lag — how fast MCP directories reflect a new server need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains Registry Lag — how fast MCP directories reflect a new server?

It is published by app.rowb.registry-lag. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.