Ghost Schema
PlannedFinds product pages whose JSON-LD claims reviews the page never shows.
the lab
Everything we're building.
Every experiment, shippable or still on the bench: accuracy-first tools and publications on structured data, crawler behavior, and on-chain text. Filter by where it stands, what it's about, or whether it's a tool or a publication. Everything here is free to use. Start with The State of Schema.org Deployment or Conversion Verdicts.
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Schema Watch
LiveWhat the web actually deploys, not what the docs say should matter.
crawlspacelabs.dev/schema-watch -
WebMCP Threat Atlas
LiveHow WebMCP tools get attacked, and what correct defense looks like.
crawlspacelabs.dev/webmcp-threat-atlas -
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Cold Storage
BuildingSome text on a blockchain can never be deleted. The question is who is reading it.
crawlspacelabs.dev/cold-storage -
Bot or Not
LiveIs that AI crawler who it says it is, checked against the operator's own published ranges.
crawlspacelabs.dev/bot-or-not -
Wikidata MCP
LiveEvery Wikidata answer comes back with its receipt: the statement, its rank, and its source.
crawlspacelabs.dev/wikidata-mcp -
Entity Gap X-Ray
In the labSee what entities the public identifies with you, and spot which connections the knowledge graph is missing.
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Ghost Price
LiveA naive shopping agent could read a price on just 4 of 50 major US retail sites.
crawlspacelabs.dev/ghost-price -
Crawler Verdict
BuildingWhat each AI crawler claims to respect in robots.txt, checked against the vendor's own docs.
crawlspacelabs.dev/crawler-verdict -
Readout
LiveThe on-page structured-data failures weakening how machines read your page, ranked with the fixes that matter.