Set Up Postingly
Connect Postingly to your favorite AI assistant in under a minute. You'll need an API key — grab one from the dashboard first.
One-click install with the .mcpb file
Download and open the file
Click the button above, then double-click the downloaded .mcpb file. Claude Desktop will open automatically.
Enter your API key
Claude Desktop will prompt you for your Postingly API key. Paste it in and confirm. You can get your key from the API Keys page.
Start posting
Tell Claude something like “Post 'Hello world!' to all my platforms” and it handles the rest.
Prefer manual JSON config?
Add this to your Claude Desktop config file:
macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"postingly": {
"command": "npx",
"args": ["-y", "crosspost-mcp"],
"env": {
"CROSSPOST_API_KEY": "your-api-key-here",
"CROSSPOST_API_URL": "https://postingly.io"
}
}
}
}Available Tools
Once connected, these tools are available to your AI assistant. Just ask naturally — no special syntax needed.
list_accountsSee your connected platforms and their statuscreate_postPublish or schedule a post across platformslist_postsView recent posts and their per-platform statusget_postGet detailed info on a specific postcancel_postCancel a scheduled postreschedule_postChange the time of a scheduled postlist_scheduledView all upcoming scheduled postsExample Prompts
>“Post 'Hello world!' to all my platforms”
>“Post this to Bluesky and Threads: Just shipped a new feature!”
>“Schedule a post for tomorrow at 9am: Big announcement coming soon”
>“Show me my recent posts”
>“What accounts do I have connected?”
Need help? Open an issue on GitHub or check the README for more details.