PostSider

PostSider: Social media scheduling software that publishes content across more than 30 networks from a single calendar and an AI agent bridge.

PostSider is a social media management platform built for creators, solo founders, agencies, and AI agents. It provides a drag-and-drop calendar to plan posts, compose content once, and tailor it per platform automatically. Users can manage channels directly or connect any MCP agent like Claude, Codex, or Cursor to draft, schedule, and publish posts. The platform supports over 30 networks including X, Instagram, TikTok, YouTube, LinkedIn, Facebook, Pinterest, Discord, Telegram, Mastodon, and Bluesky. It offers enterprise-grade security with AES-256-GCM token encryption, rate limiting, and isolated per-channel access. Pricing is structured in flat tiers starting with a 7-day trial and includes Standard, Team, Pro, and Ultimate plans.

PostSider at a glance

Best for: Social media creator, Marketer
Runs on: Web, API
Pricing: Standard $20/mo; Team $35/mo; Pro $45/mo; Ultimate $90/mo; 7-day trial available
Released: September 2026
Category: AI productivity tool
Website: postsider.com

Key features

Drag and drop posts across days and channels
Compose once and tailor per platform
Connect any Model Context Protocol agent in one step
Typed REST API and SDKs
Track reach and performance in analytics
AES-256 GCM encryption on channel tokens
AI post checker and caption rewrite

Use it for

Schedule social media posts across 30+ networks from one calendar
Allow AI agents to draft and publish content via MCP, REST, and SDK
Manage multi-brand agency workflows with approvals and shared queues
Import posts in bulk using CSV files

Alternatives to PostSider

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Postwise — Generates social media posts and automates content scheduling across platforms.
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Growpost — Adapts content for every platform and schedules posts in a calendar.
Taplio — It combines AI-driven content generation with automated scheduling and engagement tools.
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SiteSpin — Builds and updates business websites entirely through text or voice chat.
Social Undertone — Read public comments on Instagram and TikTok to turn them into comprehensive audience reports.
Apollo — Connects B2B data with AI agents that automate research and outreach.

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