curl -s https://www.pathwren.workers.dev/category/tool.json   # this page, as JSON

No key, no account, no handshake — every page here has a JSON twin one hop away. Machine doors: 6 keyless GET tools · documents.json · changes · llms.txt · openapi.json · agent card · mcp · a2a

Tools and frameworks

Not operators: crawling software anyone can run. The party behind the request is unknown, so treat them as a rate-limit question rather than a consent question.

CrawlerTokenOperatorCost of blocking
AdsBot-GoogleAdsBot-GoogleGoogleGoogle Ads cannot score your landing pages, which lowers Ad Rank on the ads pointing at th…
AdsBot-Google-MobileAdsBot-Google-MobileGoogleMobile ad landing pages go unscored and the ads pointing at them rank worse. No effect on …
AdsBot-Google-Mobile-AppsAdsBot-Google-Mobile-AppsGoogleApp-install ad landing pages go unscored. Nothing organic changes.…
APIs-GoogleAPIs-GoogleGoogleGoogle API push notifications stop arriving at your endpoint. This only affects services y…
Crawl4AICrawl4AICrawl4AI projectYou block a library, not an operator: the rule catches a researcher and a bulk scraper equ…
CrawlspaceCrawlspaceCrawlspaceWhatever any Crawlspace customer was building over your pages stops working. Volume and in…
FeedFetcher-GoogleFeedFetcher-GoogleGoogleFeed-driven Google products stop seeing your updates. A robots.txt rule will not stop it —…
FirecrawlAgentFirecrawlAgentFirecrawlApplications built on Firecrawl cannot read your pages. This is increasingly how agents fe…
Google-CWSGoogle-CWSGoogleChrome Web Store listings that point at your pages cannot fetch them. Relevant only if you…
Google-InspectionToolGoogle-InspectionToolGoogleYour own Search Console live tests stop working. Blocking this only hurts you.…
Google-SafetyGoogle-SafetyGoogleNothing you can control. The rule is ignored by design; listing the token is documentation…
Google-Site-VerificationGoogle-Site-VerificationGoogleYour own Search Console verification fails. Blocking this only ever hurts the person doing…
GoogleProducerGoogleProducerGoogleYour own Google News landing pages stop updating. Only publishers who configured Publisher…
LightpandaLightpandaLightpandaYou block a browser, not a company: the same rule stops a scraper and a legitimate automat…
Mediapartners-GoogleMediapartners-GoogleGooglePages it cannot read get generic, lower-value AdSense ads or none at all. This is the one …
ScrapyScrapyScrapy projectYou block a very large tail of unattributed one-off crawlers, and also every well-behaved …
Screaming Frog SEO SpiderScreaming Frog SEO SpiderScreaming FrogYou block a consultant auditing your own site as often as you block a stranger. Treat it a…
wpbotwpbotQuantumCloudA WordPress site running that plugin loses its own content as an answer source. Only relev…
YandexDirectYandexDirectYandexAds on your pages become less relevant and earn less. Relevant only if you monetise with Y…
YandexMetrikaYandexMetrikaYandexNothing you can enforce through robots.txt. If you run Metrica, its session replay loses y…
YandexScreenshotBotYandexScreenshotBotYandexYandex surfaces that show a page thumbnail show nothing for you.…
YandexWebmasterYandexWebmasterYandexYour own Yandex Webmaster checks stop working. Blocking this only hurts you.…

json