Create designed social posts
Generate carousels, single-image posts, and short animated videos from a topic, article URL, X post, or imported slide content. AI-generated images can be added to designs.
PostNitro
PostNitro is a social media design and publishing engine for AI agents, developers, creators, and teams. It generates branded carousels, image posts, and animated slide-based video, then supports scheduling and native publishing across six social networks through MCP, CLI, REST API, Claude, or ChatGPT.
Social media design and publishing for AI agents
PostNitro is a social media design and publishing engine for AI agents. It creates on-brand carousels, single-image posts, and short animated videos from topics, source content, or imported slide material, using templates and brand kits rather than limiting an agent to caption writing or publishing pre-made media.
Agents can connect through Claude, ChatGPT, MCP, the CLI, or REST API, then generate designs, select from available templates and presets, and schedule posts to LinkedIn, Instagram, TikTok, Threads, Facebook, and Pinterest. The workflow can run without review, or return an editable design or draft for human approval before publishing.
Features
Use brand kits and templates
Apply fonts, colors, logos, headshots, templates, and AI presets from a brand kit so an agent can reuse established visual settings without restating them in every prompt.
Choose an agent interface
Connect through Claude, ChatGPT, an MCP-compatible client, the command-line interface, or REST API. The MCP server exposes 35 tools for creation, browsing, account management, and scheduling.
Schedule and publish
Create, read, update, and delete scheduled posts; inspect connected social accounts; and publish natively to LinkedIn, Instagram, TikTok, Threads, Facebook, and Pinterest.
Support asynchronous workflows
Use fire-and-forget or wait-for-completion generation workflows with status and output polling. Combined generation-and-scheduling tools can handle the full workflow in one call.
Deliver editable or rendered output
Return PNG slides, a PDF, MP4 video rendered from animated carousel slides, or an editable design that can be opened and changed in the PostNitro editor.
Use cases
Repurpose long-form content
An agent can turn a blog post, article URL, or topic into a multi-slide LinkedIn post, apply a saved brand kit, and schedule it for a specified date and time.
Prepare launch and announcement posts
A marketing workflow can create an announcement or quote graphic as a single-image post, then prepare platform-specific captions and schedule it to connected social accounts.
Build a reviewable content calendar
A team can request several posts for the coming week and save them as drafts, allowing an editor to review the designs and wording before scheduling.
Automate recurring production
A developer can call the CLI or REST API from scripts, CI pipelines, n8n, Make, or another HTTP-capable workflow to generate designs and manage scheduled posts programmatically.
Extend carousels into video
An agent can convert carousel slides into an MP4 with animated text and chosen audio for short-form video distribution, including TikTok publishing workflows.
Pros and Cons
Pros
- Combines content generation, visual design, scheduling, and native publishing in one agent workflow.
- Supports multiple integration paths, including MCP, CLI, REST API, Claude, and ChatGPT.
- Uses reusable brand kits, templates, and saved defaults for more consistent output.
- Offers an editable-design handoff as well as rendered PNG, PDF, and MP4 outputs.
Cons
- The API, MCP server, CLI, and connectors require paid access; there is no free API tier.
- Video output is rendered from carousel slides with animation and selected audio rather than generated by a text-to-video model.
- Publishing requires connected social accounts and an eligible plan with scheduling access.
FAQ
Which AI agents and interfaces work with PostNitro?
PostNitro can be used through Claude, ChatGPT, any MCP-compatible client, its CLI, or the REST API. Claude and ChatGPT connect through OAuth without requiring an API key; the CLI and REST API use a PostNitro API key.
Can I review an agent-generated post before it is published?
An agent can generate, schedule, and publish a post without a review step. Alternatively, it can return an editable design or save the post as a draft so a person can review it in the editor before scheduling.
What output formats are available?
PostNitro returns individual PNG slides, a PDF, an MP4 for rendered carousel video, or an editable design, depending on the workflow and output requested.
Which social platforms can PostNitro publish to?
Agents can publish natively to LinkedIn, Instagram, TikTok, Threads, Facebook, and Pinterest. X/Twitter can be used as a content source and export format, but it is not listed as a publishing destination.
How does agent access and API credit usage work?
Agent access is included with Creator+ and Team+ plans. On Starter, it is available as a $10/month add-on that includes 250 credits. There is no free API tier. Credit usage is measured per slide: imported slides cost 1 credit and AI-generated slides cost 2.
Quick Facts
- Category
- AI social media design and publishing
- Primary users
- AI agents, developers, creators, and teams
- Agent interfaces
- MCP, CLI, REST API, Claude, and ChatGPT
- Publishing destinations
- LinkedIn, Instagram, TikTok, Threads, Facebook, and Pinterest
- Content types
- Carousels, single-image posts, and short animated video
- MCP endpoint
- mcp.postnitro.ai/mcp
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