Buttondown MCP by usefulapi

Ingested from the official MCP Registry

FastDrop pulled this entry from the official MCP Registry as io.usefulapi/buttondown and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed and the description is not theirs.

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Tools this endpoint exposes

Read directly from the endpoint on 11 Oct 2026. Not supplied by the maker.

• buttondown_get_account

  The Buttondown account this API key belongs to: username and e-mail address. GET /accounts/me.

• buttondown_list_newsletters

  List the newsletters on the account with name, username, domains, sender, locale and timezone. The newsletter's API key, custom CSS and e-mail templates are never returned. GET /newsletters.

• buttondown_get_newsletter

  One newsletter by id (settings and identity only; no API key, CSS or templates). GET /newsletters/{id}.

• buttondown_list_subscribers

  List or search subscribers (newest first by default) with e-mail, type (regular, unactivated, unsubscribed, premium, ...), tags, notes, metadata, source, open/click rates and dates. Filter by e-mail t

• buttondown_get_subscriber

  One subscriber by id or by e-mail address: type, tags, notes, metadata, source, engagement and lifecycle dates. GET /subscribers/{id_or_email}.

• buttondown_add_subscriber

  WRITE: add ONE subscriber by e-mail address. No subscriber type is set, so Buttondown applies the newsletter's normal sign-up rules (double opt-in: the subscriber is typically created as unactivated a

• buttondown_update_subscriber

  WRITE: change ONE subscriber's tags, private note or metadata. Tags are merged (add_tags / remove_tags change only those names; the others stay). A given note or metadata replaces the existing value (

• buttondown_list_emails

  List emails (drafts, scheduled and sent), newest first by default, with subject, status, publish date, slug, archive URL and analytics summary. The body is left out unless include_body is set. Filter

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