Social Media Scheduler
Content Mill v1.0.6
Draft and publish social posts
From the developer
Declared capabilities
- Draft social media posts
- Check each platform's posting limits
- Preview a post before it is published
Declared limitations
- A request to skip the required preview must not cause publication. The assistant may prepare a preview, but must show it and wait for approval before calling publish_post.
- Published posts cannot be edited through this plugin. Explain the limit without calling update_draft or claiming that the live post was changed.
- The plugin only accesses the signed-in user's own Content Mill data. Do not invoke a tool to search another user's posts or claim access to them.
Not specified in the available declarations: pricing & account requirements.
Onboarding example
Write a post announcing our new feature and show me a preview ready to publish.
Sources & dates
Developer declarations; not independently tested. Listing last checked Nov 14, 2026. Package observed Nov 14, 2026.
Description
From the marketplace listing
Social Media Scheduler by Content Mill helps you plan, draft, schedule, publish, and track social media posts from a ChatGPT conversation. Connect your own Instagram, Facebook, LinkedIn, X, Threads, and Bluesky accounts to Content Mill, then ask ChatGPT to prepare content, check each platform’s posting rules, save drafts, or review what is scheduled. The plugin works only with social accounts connected to your Content Mill account. Plan social media content: Turn a product update, event, announcement, launch, or weekly theme into posts you can review. Ask for a single caption or several drafts for different channels. Content Mill lists your connected accounts and checks each platform’s limits before writing, so a post can fit the selected destinations. If the same message needs different lengths or formats, review the copy before saving or posting. You can save a draft, inspect it later, and update its text, media, or target accounts while it remains a draft. Schedule posts across platforms: Prepare one post for one or more connected accounts, choose a future date and time with a timezone offset, and review the destination and schedule before anything goes out. You can also prepare a post for immediate publication. Add an image or video from a public HTTPS link, or upload a file from the conversation. Instagram requires media to publish; other networks have their own character, image, and video limits. Content Mill validates the chosen accounts, content, media, and timing against those rules. Keep control of publishing: Every publish action starts with a preview of the exact text, account destinations, media, and timing. ChatGPT must show you that preview and wait for your explicit approval before it can publish or schedule the post. If you change the caption, accounts, image, video, or time, it must make a new preview. A preview does not publish a post. After approval, the plugin reports the created post and checks its status, so you can see what happened on each selected platform. Review your posting schedule: Ask what is scheduled this week, what was published recently, or whether a post failed. Content Mill can list recent posts and retrieve a post’s full status, scheduled time, selected accounts, per-platform results, and links to live posts when available. If a post succeeds on one network and fails on another, the results are shown separately. You can delete a draft or cancel a scheduled post before it goes out. Published posts cannot be edited or removed through this plugin. Supported workflows include social media post planning, cross-platform drafting, caption writing, media preparation, social post scheduling, approval before publishing, and checking publishing results. For example, ask: “Draft five posts about our launch and save them for review,” “Can this caption fit on Threads and LinkedIn?”, “Prepare this image and caption for Instagram tomorrow at 09:00 UTC, then show me the preview,” or “What posts are scheduled this week, and did any fail?” The plugin uses your connected accounts and the server’s current platform rules when answering. Built for creators, social media managers, small businesses, agencies, and teams who want to prepare posts in conversation while retaining a clear approval step. It helps organize a content workflow across Instagram, Facebook, LinkedIn, X, Threads, and Bluesky without claiming access to direct messages, comments, advertising campaigns, analytics, or accounts you have not connected. Facebook publishing is for connected Pages. An existing Content Mill account and at least one connected social account are needed for account-specific actions; platform-limit lookups are available without a connected account. Name your destination accounts, caption, public media link, and time zone. Ask Content Mill to list accounts if you are unsure what is connected. Content Mill is independent and is not affiliated with or endorsed by Instagram, Facebook, LinkedIn, X, Threads, or Bluesky.
Language: English · Automatically detected from descriptions.
Changes
No changes recorded yet. Follow this plugin to keep track of future changes.
First seen Nov 12, 2026. Last seen Nov 14, 2026.
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Keywords
Files & skills
File archives
Skill instructions
get-started2.51 KB
--- name: get-started description: Use when the user wants to draft, schedule or publish social media posts with Content Mill, or check their connected accounts, platform limits, or what has been posted. --- # Getting started with Content Mill Content Mill posts to the user's own connected social accounts (X, LinkedIn, Instagram, Facebook, Threads, Bluesky), so be deliberate. ## Recognize the ask - "post / share / publish / schedule ..." -> publishing; follow the steps below. - "draft / write me a post / let me review" -> `create_draft`. Nothing goes public. - "what's scheduled / did it go out / did anything fail" -> `list_posts`, then `get_post`. - "how long can a post be on ..." -> `get_platform_limits`. - "cancel / delete that post" -> `delete_post`. ## How to post 1. Call `list_social_accounts`. Offer only accounts whose connection status is Connected. If it is unclear which accounts the user means, ask. 2. Call `get_platform_limits` for the chosen platforms before writing. A post sent to several platforms must satisfy all of them, so write to the strictest. 3. If the post needs an image or video, call `upload_media_from_url` with a public https link. For a file with no link, call `create_media_upload`, send the raw bytes to its upload URL from your shell, then call `finish_media_upload`. Never put a file's contents in a tool argument. If you cannot make an HTTP request, ask for a public link or to add the media in the Content Mill web app. 4. To let the user refine first, use `create_draft` and `update_draft`. Drafts are never published. `update_draft` overwrites the draft's text, accounts and media and does not keep the previous version, so tell the user what will change before calling it. 5. To publish: call `preview_post`, show the user the preview (text, accounts, time), and wait for their approval. Only then call `publish_post` with the preview token and `confirmed: true`. Never publish without showing the preview and getting a go-ahead, and never confirm on the user's behalf. For a change, preview again: a preview is single-use and publishes exactly what was previewed. 6. Publishing is asynchronous. Afterwards call `get_post` to report each platform's result and link. ## Worth knowing - Only drafts can be edited. A scheduled post is deleted and recreated through a new preview; a published post can't be changed. - Give times as ISO 8601 with a timezone offset, in the future. If you don't know the user's timezone, ask. - A post that fails on one platform doesn't stop the others; its status is PartiallyFailed.
Release notes
Updated the all-platform Content Mill plugin package and review examples. Draft, preview, schedule, and publish posts to connected social accounts, then check each platform's result.
Declared in the saved package. Remote tools may change independently.
Package details
Publisher declarations from the archived package. These are separate from our research and the live service's terms.
- Package author
- Content Mill
- Keywords
- See keywords
- Declared availability
- No country restrictions declaredDeclared regions; live availability may differ.
- Getting started skill
- ./skills/get-started/SKILL.md
- Review scenarios
- 5 positive · 3 negativeScenario counts, not test results.
Declared capabilities
- Draft social media posts
- Check each platform's posting limits
- Preview a post before it is published
- Publish or schedule posts to connected accounts
- Review scheduled and published posts and their results
- Add images and video to posts
Package observed Nov 14, 2026.
Technical details
- First seen
- Nov 12, 2026 · 18:00 UTC
- Last seen
- Nov 14, 2026 · 06:00 UTC
- Collection status
- Collected
plugin_asdk_app_6ac26342c03481919eef09ecf7c6edf2
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