Superbridger free tools

com.superbridger/free-toolsVersion 1.0.0

Check captions and videos against each social platform's limits; specs, image sizes. No account.

Status

Responds137 msNov 14, 2026, 14:18 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:18 UTC
Latency: 137 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://superbridger.com/api/tools/mcpResponds137 msNov 14, 2026, 14:18 UTC

No sign-in

Claude Code

claude mcp add --transport http free-tools https://superbridger.com/api/tools/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: free-tools
Remote MCP server URL: https://superbridger.com/api/tools/mcp

Cursor

{
  "mcpServers": {
    "free-tools": {
      "url": "https://superbridger.com/api/tools/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"free-tools","type":"http","url":"https://superbridger.com/api/tools/mcp"}'

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Tools

6 tools

Tools of Superbridger free tools
	Description		Read-only	Idempotent	Open world
`build_utm_links`Adds 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.	Adds 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.	No	Yes	Yes	No
`check_caption`Counts 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, YouTube's 100-character title and 5,000-byte description, Instagram's 5 hashtags and 20 mentions. Returns each platform's counts, limits and whether it fits.	Counts 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, YouTube's 100-character title and 5,000-byte description, Instagram's 5 hashtags and 20 mentions. Returns each platform's counts, limits and whether it fits.	No	Yes	Yes	No
`check_video`Says 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 and audio codec, sample rate, container, HDR and whether the index is at the front. Returns a verdict per platform with each check's message.	Says 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 and audio codec, sample rate, container, HDR and whether the index is at the front. Returns a verdict per platform with each check's message.	No	Yes	Yes	No
`get_image_sizes`Returns recommended image sizes per platform (posts, Stories, covers, banners, thumbnails, profile pictures) with each size's source.	Returns recommended image sizes per platform (posts, Stories, covers, banners, thumbnails, profile pictures) with each size's source.	No	Yes	Yes	No
`get_platform_specs`Returns 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, Stories, photos per post and posts per day, with the date they were checked.	Returns 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, Stories, photos per post and posts per day, with the date they were checked.	No	Yes	Yes	No
`get_safe_zones`Returns 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.	Returns 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.	No	Yes	Yes	No

Details

Registry status: Active
Published: Nov 6, 2026
Updated: Nov 6, 2026
Website: https://superbridger.com/free-tools⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Design and mediaSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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