Postel

Connect it to your AI

Claude Code

claude mcp add --transport http postel https://www.postel.app/api/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://www.postel.app/api/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "postel": {
      "url": "https://www.postel.app/api/mcp"
    }
  }
}

Tools it offers

17 tools, as the server itself reported during our check on Oct 31, 2026.

• search-viral-tweetsFind high-performing public X posts in Postel's index by topic, with source links and stored engagement metrics. No login required. Searches an indexed collection, not live X or a complete archive; metrics may be out of
• list-postsList posts for the current organization. Supports filtering by status and pagination.
• get-postGet a single post by ID with full details.
• create-postSave text as a new draft in Postel, optionally with images or videos downloaded from public URLs and a LinkedIn first comment (up to 1250 characters). Does not publish or schedule. Each call creates a separate draft.
• update-postUpdate the content or status of a Postel draft. Scheduled and published posts cannot be edited.
• delete-postDelete a post. A scheduled post's delivery is cancelled first.
• schedule-postSchedule a Postel draft for publishing to the social platform stored on the post. Requires a plan that includes scheduling. scheduledDateTime must be a future UTC ISO-8601 timestamp. A first comment can be set for Linked
• publish-postPublish a Postel draft immediately to the social platform stored on the post. Requires a plan that includes publishing. A post that is already published cannot be published again.
• create-postsCreate up to 25 posts in one call. Each post is saved as a draft; a post with scheduledDateTime is then scheduled for publishing to its platform, which requires a plan that includes scheduling. If the workspace requires
• attach-mediaDownload an image or video from a public URL and attach it to a Postel draft. Supported: JPEG, PNG, WebP, GIF, MP4, MOV and WebM, up to 100 MB and within the platform's limits (X: up to 4 images, or one video or GIF; Lin
• generate-postGenerate a new post using AI based on a prompt and save it as a draft, ready for update-post, schedule-post or publish-post. Uses 1 AI credit (Lite mode with a daily cap when credits run out). Returns the generated post.
• refine-postSuggest refined content for an existing post using AI and specific instructions. Does not save changes. Uses 1 AI credit (Lite mode with a daily cap when credits run out).
• list-brandsList all brands (topics) for the current organization. Brands contain background information used for AI post generation.
• get-brand-sourcesGet background information sources for a specific brand. These sources are used to inform AI post generation.
• get-x-profilesGet the X and LinkedIn voice profiles for the current organization. These profiles define the brand voice for AI post generation.
• get-scheduleGet the posting schedule template for the current organization. Shows which time slots are configured for each day of the week.
• get-usageGet the organization's AI credit balance (monthly allowance, rollover, bonus/top-ups, reset date) and Lite mode status.

Questions