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What is Socialync

Socialync is a cross-platform social media scheduler. This remote MCP server lets Claude, ChatGPT, Cursor, OpenClaw, or any MCP-compatible agent draft, schedule, and publish posts to eight platforms through your own OAuth-authorized accounts.

Most social media agent tooling stops at drafting. It writes a content calendar and hands you a CSV to upload somewhere else. This server completes the job: the agent drafts the post, checks the account is connected and within quota, schedules it, publishes it, and reads the analytics back.

Platforms

Facebook Pages, Instagram, X, TikTok, YouTube, LinkedIn, Threads, and Bluesky.

Every integration runs on the official platform API. No browser automation, no scraping, no unofficial endpoints. That matters when an agent is posting unattended, because scraping-based tooling puts the account itself at risk.

Connect

{
  "mcpServers": {
    "socialync": {
      "type": "http",
      "url": "https://mcp.socialync.io/mcp"
    }
  }
}

Claude Code:

claude mcp add --transport http socialync https://mcp.socialync.io/mcp

Authentication is OAuth 2.0 with dynamic client registration. You sign in with your Socialync account in the browser. No API keys are pasted into your client, and access can be revoked from account settings at any time.

Tools

Nineteen tools across five groups.

Discovery: list_profiles, list_connections, check_quota, list_audiences

Drafting: create_post_draft, get_draft_status, approve_draft, generate_content

Publishing: schedule_post_draft, publish_now, publish_scheduled, get_scheduled_posts, delete_scheduled_post

Media: create_media_upload, finalize_media_upload, list_media

Analytics: get_analytics, get_top_posts, get_post_history

Recommended call order

Agents that follow this order fail less.

1. list_profiles to pick the right brand. A user may manage several, so never assume the default.
2. check_quota for plan, remaining posts, per-platform daily caps, and how far ahead you can schedule.
3. list_connections to confirm the target platform is connected and healthy before drafting against it.
4. create_post_draft, then approve_draft, then schedule_post_draft or publish_now.
5. get_scheduled_posts to read back what you created and show the user.

Safety notes for agent authors

Publishing to a real audience is not meaningfully reversible. A deleted post has already been seen.

Never blind-retry a publish. A network timeout does not mean the post failed, because the response may have been lost after the post succeeded. Call get_post_history first and confirm the post is absent before trying again.

Read quota before a batch rather than during one. Per-platform daily caps differ and LinkedIn's is lower than the rest, so plan the whole batch against check_quota instead of stranding a half-published week.

Nothing reaches a social network until a draft is approved and explicitly published or scheduled. Agents cannot operate accounts the user has not connected and authorized.

Agent skill

An OpenClaw skill wrapping this server is published on ClawHub:

openclaw skills install @jackvitick/social-media-scheduler

Links

• Product: https://www.socialync.io
• Docs: https://github.com/JackVitick/socialync-mcp
• Tool reference: https://github.com/JackVitick/socialync-mcp/blob/main/docs/tools.md

MCP access is included on the Socialync Premium and Business plans.