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MCP server

postcache

By postcacheAll Postcache servers

Public, short-lived media URLs for agents posting to Instagram, Threads and Facebook.

First seen 9 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.

1
Directories
Collected by InvokeRank
4
Tools
From an anonymous probe
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ToolBench grade
Not graded by Arcade
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GitHub stars
No repository data

Tools

ToolDescriptionBehaviour
check_mediaCheck a file against a platform without storing it. With convert, also says whether conversion can fix it.Not declared
delete_mediaDelete an uploaded file now (call after the post is published).Not declared
get_mediaStatus (converting, ready, failed), URL, expiry and fetch count of an uploaded file.Not declared
upload_mediaUpload an image or video for a social platform. Returns a public URL that passes the platform media rules, or the problems with fixes. With convert, a fixable file comes back as status "converting": poll get_media until status is "ready" (url set) or "failed". Give the URL to the platform API (image_url / video_url), then call delete_media.Not declared

Directory listings

DirectoryListingTierFirst seen
Official MCP Registrypostcache-9 Oct 2026