PostNinja
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Cline + PostNinja

Schedule Social Media Posts with Cline

Give Cline a way to share what it builds. With PostNinja connected, Cline can write a post for each platform and schedule it, and you approve each tool call as usual.

  • Connect once with an API key
  • Draft, schedule and publish by asking
  • 7 platforms: X, Instagram, TikTok, Facebook and more
Get startedHow to connect

Setup

How do I connect PostNinja to Cline?

  1. 1

    Create an API key

    In PostNinja, go to Settings → API and create a key. It starts with pn_ and is shown once, so copy it somewhere safe.

  2. 2

    Add PostNinja to Cline

    Click the MCP Servers icon in Cline, choose Configure → Configure MCP Servers, and add:

    cline_mcp_settings.json
    {
  "mcpServers": {
    "postninja": {
      "type": "streamableHttp",
      "url": "https://postninja.app/api/mcp",
      "headers": { "Authorization": "Bearer pn_YOUR_KEY" },
      "disabled": false
    }
  }
}

    Replace pn_YOUR_KEY with a key from Settings → API.

    Set "type": "streamableHttp" explicitly. The Remote Servers form has no headers field, so edit the JSON.

  3. 3

    Just ask

    Cline finds the PostNinja tools on its own. Try:

    • “Post a short update about this fix on X and Threads at 5pm.”
    • “Save a draft thread explaining the new API.”
    • “What's scheduled tomorrow?”

Tools

What can Cline do with PostNinja?

Write and schedule

Drafts posts, gives each platform its own text, and schedules them for any date and time.

Threads and Stories

Builds multi-post X threads and posts photos or videos as Instagram Stories.

Check what's planned

Lists upcoming posts, drafts and what went out, with links to the live posts.

Fix and reschedule

Moves, edits or deletes drafts and scheduled posts when plans change.

Add images

Uploads images to attach to posts. Larger files and video go through the REST API.

Spot failures

Reads each account's status and error, so it can tell you what didn't go out and why.

One connection, seven platforms

Connect your accounts in PostNinja once. From then on Cline can post to any of them, and PostNinja publishes at the time you set.

FAQ

Cline and PostNinja questions

Will Cline post without asking?

Not unless you auto-approve the PostNinja tools. By default Cline asks before each tool call, so you see every post before it's scheduled.

Does Cline post without asking me?

That depends on Cline's own settings; most ask before each tool call. If you'd rather review everything, ask it to save posts as drafts, then schedule them from the PostNinja calendar.

Is my API key safe?

PostNinja only stores a hash of each key and shows its first characters so you can tell keys apart. A key works for one workspace, and you can revoke it any time under Settings → API.

Which platforms can Cline post to?

Every account you've connected: X, Instagram, Threads, Facebook Pages, TikTok, YouTube Shorts and Pinterest.

Do posts scheduled by an AI agent cost extra?

No. They're ordinary posts on your plan. As always, X posts use credits (10 each, 80 with a link) because X charges for every post; other platforms are unlimited.

Works with other AI agents too

Let Cline run your social media.

Connect Cline to PostNinja in a couple of minutes. Plans from $15 a month.

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