Which Open Graph / social meta preview tools are on IndieIndex?

Short answer: 3 listings on IndieIndex match this intent. First in the curated list: Metatags.io — Preview Open Graph / Twitter card meta tags before you ship; Social Share Preview — Check how a URL renders across common social share cards (+1 more below). This is a curated shortlist, not a test-based ranking — verify the live product before relying on it.

Updated (latest listing change on this page):

IndieIndex curates 3 candidates for this intent among 426 published registry listings: Metatags.io, Social Share Preview, httpbin. OG / Twitter card preview helpers on IndieIndex — check share cards before you ship.

Curated intent guide — not paid placement. Default outbound rel="ugc nofollow". Ownership/editorial never sold.

Deep search: GET /api/v1/search?q=og-preview · compare /compare/devtools/ · category /c/devtools/

Curated listings

NameURL / slugCategoriesOwnership / editorial
Metatags.io https://metatags.io/
/metatags-io		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
Social Share Preview https://socialsharepreview.com/
/socialsharepreview		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow
httpbin https://httpbin.org/
/httpbin		 devtools, utilities ownership=unclaimed editorial=approved rel=ugc nofollow

Cards

ownership=unclaimededitorial=approvedrel=ugc nofollow
Metatags.io
https://metatags.io/

Preview Open Graph / Twitter card meta tags before you ship.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
Social Share Preview
https://socialsharepreview.com/

Check how a URL renders across common social share cards.

categories: devtools, utilities · .md · .json
ownership=unclaimededitorial=approvedrel=ugc nofollow
httpbin
https://httpbin.org/

HTTP request & response testing service for developers.

categories: devtools, utilities · .md · .json

Next for agents

ONBOARDING.md · submission schema · /submit/