Posthell

Connect it to your AI

Claude Code

claude mcp add --transport http posthell https://www.posthell.com/api/mcp

Claude, ChatGPT, Cursor and other apps

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

https://www.posthell.com/api/mcp

This server expects extra headers, usually an API key from its maker.

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

{
  "mcpServers": {
    "posthell": {
      "url": "https://www.posthell.com/api/mcp"
    }
  }
}

Tools it offers

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

• shape_postTurn rough notes about what the user did (shipped a feature, fixed a bug, hit a number) into 2-3 finished social-post angles in the user's voice. Grounded only in the notes - never invents facts. Uses one AI generation f
• list_accountsThe user's connected social accounts (id, network, handle), their account groups (a named set, e.g. one business's Instagram + YouTube), and what each network needs: caption limit, whether it needs a photo or video, and
• get_upload_urlUse this to post a file from the user's computer (a video you rendered, a photo). Returns uploadUrl and mediaUrl: PUT the raw file bytes to uploadUrl with its Content-Type header (the curl line in the result does it), th
• create_draftSave a post as a DRAFT in the user's posthell queue, with any photos or videos and per-network settings (Instagram Reel cover, YouTube title/tags). Nothing is published by this tool: the user approves it in the dashboard
• list_postsRead the user's recent posts and drafts with per-network status, the live link once a post is up, and the reason when one failed. Published posts include engagement metrics (likes, comments, shares, engagementRate - impr
• reschedule_postChange when a post goes out. Works on a post in the calendar (scheduled) and on a draft (its suggested time). Get the id from list_posts. A scheduled post is taken out of the network's queue and queued again at the new t
• edit_postChange the caption (body), a network's own caption (overrides), and/or the suggested time of a DRAFT. Scheduled posts can only be moved with reschedule_post: changing the text of a post that is already scheduled needs a
• get_growthThe user's follower counts and 7-day growth per connected network, plus which network is growing fastest. Use this to decide where a post matters most or to report progress.

Questions