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PostOnce

Official registry Other

Create drafts, schedule posts, and publish to your connected social accounts through PostOnce.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http postonce 'https://postonce.to/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "postonce": {
            "type": "http",
            "url": "https://postonce.to/mcp"
        }
    }
}

Frequently asked questions

What is PostOnce?

Create drafts, schedule posts, and publish to your connected social accounts through PostOnce.

How do I install PostOnce?

It runs as a remote server. In Claude Code: claude mcp add --transport http postonce 'https://postonce.to/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does PostOnce need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains PostOnce?

It is published by postoncehq. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.