NestDaddy

postcache

dev.postcache/postcache · v1.0.0

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

Connect Remote server

Terminal
claude mcp add --transport http postcache https://postcache.dev/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "postcache": {
      "url": "https://postcache.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "postcache": {
      "type": "http",
      "url": "https://postcache.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://postcache.dev/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 4 found in our last check

  • upload_media

    Upload 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 th…

  • check_media

    Check a file against a platform without storing it. With convert, also says whether conversion can fix it.

  • get_media

    Status (converting, ready, failed), URL, expiry and fetch count of an uploaded file.

  • delete_media

    Delete an uploaded file now (call after the post is published).

Headers

NameDescription
Authorization
Required, secret
Bearer pc_live_... API key

Details

Endpointhttps://postcache.dev/mcp (Streamable HTTP)
First published9 Oct 2026
Last updated9 Oct 2026
Registry namedev.postcache/postcache

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