VS Code backlink checker referring_domain_summary
How to: VS Code backlink checker referring_domain_summary
Add backlink checker to VS Code
-
01
Open .vscode/mcp.json and merge this in. Keep any servers already there.
{
"servers": {
"backlink-checker": {
"type": "http",
"url": "https://mcp.zovo.one/mcp/backlink-checker"
}
}
}-
02
Save the file and restart VS Code.
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03
Ask for something referring_domain_summary does. VS Code lists the server's tools on connect and calls referring_domain_summary itself — you do not invoke it by name.
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04
If nothing happens, check the server is running and that backlink checker's identifier in your config matches the one above exactly.
Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs
Set these first
backlink checker will not start until these are set, so referring_domain_summary never becomes available.
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MCP_LICENSE_KEY
Same tool, other clients
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.