Postia for Claude Code and Codex

Postia's MCP server is at https://mcp.postia.app. Sign-in is OAuth: the first time, the browser opens Postia, you sign in and press Allow. Connected assistants are listed, and can be disconnected, in Postia > Settings > Account > AI assistants.

Claude Code

claude plugin marketplace add kvlkstudio/postia-ai-plugins
claude plugin install postia@postia

Or the server alone, without the plugin's skill:

claude mcp add --transport http postia https://mcp.postia.app

Then /mcp > postia > Authenticate.

Codex

codex plugin marketplace add kvlkstudio/postia-ai-plugins
codex plugin add postia@postia
codex mcp login postia

Or the server alone:

codex mcp add postia --url https://mcp.postia.app
codex mcp login postia

Tools

list_channels, list_posts, get_post, create_post, update_post, add_media_from_url, schedule_post, publish_post, unschedule_post, delete_post, get_audience, get_publishing_stats (on plans with analytics). Posts are drafts until publish_post or schedule_post.