"Mastodon" matching MCP servers:

A Mastodon client MCP server providing full webapp and agent automation for the Fediverse, with human-approved outbox for promotion drafts and comprehensive MCP tools for timeline, posting, and account management.

Checks a social post against a platform's real character limit before it ships — X bills every URL at 23 characters and weights non-Latin script at 2, while Bluesky and Mastodon count grapheme clusters. Covers X, X Premium, Bluesky, LinkedIn, Threads, Mastodon, and Discord, with no credentials and no network access.

Schedule and manage social media posts across 13 platforms (Bluesky, Threads, Instagram, LinkedIn, Mastodon, YouTube, Facebook, Pinterest, Telegram, Nostr, X/Twitter, Discord, Tumblr and more). OAuth 2.0 + PKCE, 10 tools, draft-first workflow for AI agents.