"Slack" matching MCP servers:

One prompt, a native post per network, published or scheduled by your agent: TikTok, Instagram, Facebook, YouTube, LinkedIn, Bluesky, Mastodon, Telegram, Discord, Slack, Nostr, X, WordPress, Dev.to, Hashnode. 22 tools incl. plan_week, bulk_schedule, analytics and TikTok video quality check. Priced per brand, not per channel; API + MCP on the free plan. Hosted: postwire.io/api/mcp

A comprehensive MCP server with 206+ tools across 16 integrations that gives Claude access to real accounts (LinkedIn, Twitter, Slack, Gmail, WhatsApp, etc.) by extracting auth tokens straight from your browser, no API keys or OAuth needed.

Paste a URL to see exactly how it renders as a social card on Twitter, LinkedIn, Facebook, and Slack. Generate custom OG images from templates.

Converts X (Twitter) posts into JSON, PDF, PNG, Markdown, or Slack/Discord messages using public endpoints, no API key or login required.

Enables YouTube video upload, metadata updates, thumbnail management, stats retrieval, and analytics via the YouTube Data API v3 and Analytics API using OAuth 2.0.