An open-source Post Bridge alternative
Both schedule to the big networks with an API and MCP server included. Postbase is open source, supports Mastodon, and has an AI agent built in.
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Postbase vs Post Bridge at a glance
Postbase
Post BridgePost Bridge details from their official pages, checked 27 September 2026. Plans change, so check Post Bridge pricing, Post Bridge for agents and Post Bridge API before you decide.
Which one should you pick?
Post Bridge is a simple, high-volume scheduler for creators and short-form video accounts, with an API and MCP server on its current plans. Both are good tools; it comes down to what you post and how you work.
Choose Postbase if
- You want to self-host, or read the code that posts for you.
- You post to Mastodon.
- You want an AI agent inside the app, as well as the MCP server.
Choose Post Bridge if
- You need Instagram, Facebook, Threads or Pinterest today.
- You post short-form video at volume to many accounts and want bulk video scheduling.
- You want one-click connectors from the Claude and ChatGPT directories.
What you get with Postbase
A calendar for every network, an agent built in, and an MCP server for the AI tools you already use.
Connect the AI tool you already use
Claude, Claude Code, Cursor, VS Code, Windsurf or Gemini CLI. Sign in with Postbase and your agent can schedule posts, with no key to paste.
Connect the Postbase MCP server to your AI tool so it can schedule and publish for you.
Authentication
Client
In Claude: Settings → Connectors → Add custom connector, and paste this URL. You'll sign in to Postbase in a browser window — no API key.
https://mcp.postbase.so/mcp
Or use the agent built in
Tell it what to post and when. It checks your channels, writes each version and schedules it when you say so.
Here's a post for all three, with a shorter cut for X. It's set for Wednesday at 12:00.
Everything on one calendar
Posts you write and posts your agent schedules, across every network, in a month, week or day view.
Switching from Post Bridge
Run both for a week before you decide.
- Step 1
Start a trial
Sign up for Postbase. Every plan starts with 7 days free, so you can run both tools side by side for a week.
- Step 2
Connect your channels
Connect the same accounts you use in Post Bridge from the Channels page. Connecting to Postbase doesn't disconnect them from Post Bridge.
- Step 3
Move your queue
Recreate the posts still queued in Post Bridge, or ask Claude or another MCP client to do it for you. Then cancel them in Post Bridge so nothing posts twice.
Frequently asked questions
How do the prices compare?
Post Bridge's Marketer plan is $39/month for 15 accounts. Postbase's Team plan is also $39/month for 15 channels, with team seats, and Creator is $29/month for 5.
Do both work with Claude?
Yes, both have an MCP server that signs in with OAuth. Postbase also has an agent built into the app.
Can I self-host Postbase?
Yes. Postbase is open source; run it on your own servers with your own platform API keys.
Other comparisons
- Postbase vs Buffer
A simple scheduler with a free plan, priced per channel.
- Postbase vs Hootsuite
A full social suite for larger teams, inbox included.
- Postbase vs Typefully
A polished writing app for X and LinkedIn creators.
- Postbase vs Ayrshare
A social media API for apps that post for customers.
- Postbase vs Hypefury
A scheduler for solo creators, with auto-plugs and DMs.
- Postbase vs Later
A visual planner for Instagram-first and TikTok brands.
- Postbase vs Sprout Social
An enterprise suite for social teams, with reporting.
- Postbase vs Publer
A budget scheduler for small businesses and agencies.
- Postbase vs SocialBee
A category-based scheduler with evergreen recycling.
- Postbase vs Postiz
The established open-source scheduler, with 30+ networks.
- Postbase vs Zernio
A unified social media API for developers, priced per account.
- Postbase vs Upload-Post
An upload API for video creators, with MCP and Claude skills.
- Postbase vs OpenTweet
An X scheduler built for AI agents, with an MCP server.
- Postbase vs Blotato
An AI content studio that repurposes and schedules for creators.
Ready to get started?
Try Postbase next to Post Bridge for a week. Every plan includes every network, the MCP server and the API.
Cancel anytime · or self-host for free
Postbase