postcard

com.clawhard/postcard

Check a link's share card on X, Facebook, LinkedIn: real image size, tag problems, fixed tags.

No Documentation Available

This server doesn't have README documentation in its repository. Check the repository or website links in the sidebar for more information.

No installation packages available.

streamable-http

Debug CORS: send the real preflight, get Chrome's exact error and the headers that fix it.

Check Supabase SQL for who can read and write each table: RLS gaps, open policies, grants, fix SQL.

Exact developer checks: email DNS, Supabase RLS, cron, JSON, contrast, time zones, npm/PyPI packages