Black Sparrow

Local-first website crawler and 120-rule technical SEO audit engine

Desktopfreeglobal

Black Sparrow is a fast, local-first website crawler and 120-rule technical SEO audit engine with native MCP support, positioned as an open alternative to Screaming Frog. It's built for SEO professionals and developers who want to audit a site's technical SEO health locally, including letting an AI agent run and interpret the crawl.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Black Sparrow - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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