Show HN: Antenna – RSS reader with a built-in MCP server

Email

Clean per-post or digest HTML. Sent via your own SMTP (Amazon SES, Postmark, Gmail app password — your call). No third party reads your subscriptions.

• Per-post or digest mode, toggleable per run
• Rule engine: include / exclude / alert for immediate promotion
• Deduplication across polls by the feed's stable entry ID
• Conditional GET with ETag and Last-Modified — feeds don't re-ship content that hasn't changed
• Relative URLs rewritten to absolute; YouTube shortcodes recovered as email-safe thumbnail links
• Dry-run writes an HTML preview to an outbox for QA before anything leaves SMTP