Superbridger free tools
by FastDrop
Check captions and videos against each social platform's limits; specs, image sizes. No account.
Check captions and videos against each social platform's limits; specs, image sizes. No account. Official MCP Registry: com.superbridger/free-tools@1.0.0. Remote endpoint: https://superbridger.com/api/tools/mcp
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Remote MCP endpoint ingested from the official registry and probed by FastDrop.
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as com.superbridger/free-tools and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
If this is your server, claim the listing to edit it and take ownership. The registry index lists everything else still awaiting a probe.
Claim this listingTools this endpoint exposes
Read directly from the endpoint on 6 Nov 2026. Not supplied by the maker.
check_captionCounts a post's text the way Instagram, Facebook, YouTube, TikTok, LinkedIn and X count it, against each platform's limits: characters, X's weighted 280 (emoji 2, links 23), TikTok's UTF-16 2,200, You
check_videoSays whether a video will post on each platform (as a Reel, Short or video, and as an Instagram or Facebook Story), from its technical facts: size in bytes, length, width and height, frame rate, video
get_platform_specsReturns the limits for posting to Instagram, Facebook, YouTube, TikTok, LinkedIn and X (or one of them): text length and how it's counted, hashtags, video length, file size, shape, codecs, frame rate,
get_image_sizesReturns recommended image sizes per platform (posts, Stories, covers, banners, thumbnails, profile pictures) with each size's source.
get_safe_zonesReturns the margins to keep clear on a 1080×1920 vertical video for Instagram and Facebook Reels, TikTok and YouTube Shorts, where each app's buttons and captions sit, with sources.
build_utm_linksAdds utm_source, utm_medium (social by default), utm_campaign and optionally utm_content and utm_term to a link: one link per platform, or one for a source you name.
Is this tool yours?
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Matched on shared tags and the tools their MCP servers actually expose.
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