What does Socialync MCP do?
It allows AI assistants to draft, schedule, and publish image and text content across Instagram, Facebook, X, LinkedIn, Threads, and Bluesky through a single MCP server.
Socialync MCP Server
@JackVitick
Basic information
About Socialync MCP Server
AI assistants help creators draft, schedule, and publish posts to 8 platforms (Instagram, Facebook, X, LinkedIn, Threads, Bluesky, TikTok, YouTube) through OAuth-authorized accounts with human-in-the-loop approval. Connect once, then draft and schedule from Claude, ChatGPT, or Cu
Socialync MCP Server config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"socialync": {
"url": "https://socialync-mcp-ntgtgrzanq-ue.a.run.app/mcp",
"transport": "http",
"headers": {
"Authorization": "Apikey YOUR_SOCIALYNC_API_KEY"
}
}
}
}Socialync MCP Server tools
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Overview
What is Socialync?
Socialync is an MCP server that lets AI assistants draft, schedule, and publish image and text content across a creator's connected social accounts. Users authorize each platform once via official OAuth flows, then their AI can prepare posts, schedule them, save drafts for review, and pull analytics—all through standard MCP tools.
How to use Socialync?
Sign up at socialync.io and upgrade to the Business plan ($40/month). Connect your social accounts through Socialync's official OAuth flow for each platform, then generate an API key from your settings page. Add the MCP server to your client config with the given URL, HTTP transport, and Authorization: Apikey YOUR_SOCIALYNC_API_KEY header. Once configured, instruct your AI assistant to draft, schedule, cross-post, or pull analytics for your connected accounts.
Key features of Socialync
- Six platforms managed from one MCP server connection
- User-authorized via official OAuth flows per platform
- Platform-native caption suggestions (LinkedIn, Instagram, X)
- Draft saving with human review before publishing
- HTTP transport with API key authentication
- Image and text post scheduling
Use cases of Socialync
- Schedule a tweet to also post on LinkedIn and Threads tomorrow at noon
- Draft three captions for an image optimized for Instagram, X, and LinkedIn
- Show which LinkedIn posts got best engagement this week
- Cross-post an image to connected accounts with platform-appropriate hashtags
- Save a draft for review before publishing
Frequently asked questions
Which social platforms are supported?
The MCP supports Instagram feed photos, Facebook feed posts, X, LinkedIn, Threads, and Bluesky. Video-first platforms like TikTok and YouTube are handled through the Socialync web and mobile apps.
What subscription is required?
The MCP server requires a Socialync Business plan, which costs $40/month. You must also have an account at socialync.io.
How does authentication work?
Each social platform is connected via its own official OAuth consent screen. The MCP server itself is accessed using an API key passed in the `Authorization` header of HTTP requests.
Does Socialync MCP support video posts?
No, video uploads are currently handled through the Socialync web and mobile apps. The MCP server is scoped to image and text posts only.
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