Build in public without the busywork
Connect Postbase to Claude, Claude Code or Cursor, and your launch notes turn into posts for every network, scheduled on a calendar you check once a week.
Cancel anytime · or self-host for free
Connect Claude from the Developers page
Use your API key to automate Postbase — hook up an AI agent over MCP, script it from the CLI, or call the REST API directly.
API keys
A key authenticates the MCP server, the REST API, and the CLI. Shown once — store it safely.
pb_live_…9c1eMCP client configuration
Connect the Postbase MCP server to your AI tool so it can schedule and publish for you.
Authentication
No key to manage — your tool signs in through Postbase.
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/mcpAdd to ClaudeCopyConnected apps
Tools you've signed in to Postbase from. Revoking cuts off their access immediately.
Sound familiar?
You ship, then forget to tell anyone
The release goes out on Tuesday. The announcement goes out never, because there's always another bug.
Every network wants something different
A thread for X, a story for LinkedIn, something short for Bluesky. It's three jobs, not one.
Tools built for social media managers
Most schedulers assume someone's job is to sit in them all day. Yours isn't.
How Postbase helps
Post from the AI tool you already use
Claude, Claude Code, Cursor, VS Code, Windsurf or Gemini CLI. Sign in once and ask it to schedule posts.
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
Here's a post for all three, with a shorter cut for X. It's set for Wednesday at 12:00.
Or use the agent built in
One sentence in, a post for each network out, scheduled when you say so.
Check the week in two minutes
Everything you and your agent scheduled, on one calendar. Edit or cancel anything before it goes out.
Tools you've signed in to Postbase from. Revoking cuts off their access immediately.
Take access back in one click
Every AI tool you've connected is listed on the Developers page. Revoke one and it's cut off immediately.
list_channelsSee connected accounts and their platforms.create_postDraft or schedule a post/thread to any channels.list_scheduledReview what's queued to publish.cancel_postPull a scheduled post before it goes out.Small, predictable powers
Agents can list channels, create posts and threads, check the queue and cancel. They can't delete anything.
The plan we'd pick
Enough for a personal account and a company account on X, LinkedIn and Bluesky, with the MCP server and API included.
- 5 channels
- Unlimited posts
- All platforms
- 50 AI images + 5 videos / mo
- MCP server
- Analytics
- Threads, media & calendar
Frequently asked questions
Can Claude write and schedule my launch posts?
Yes. Add the Postbase connector to Claude and ask it to write the posts and schedule them. They appear on your Postbase calendar, where you can edit or cancel them.
Can I post as both myself and my company?
Yes, connect both accounts. On LinkedIn, Postbase posts to personal profiles today; company pages are on the roadmap.
Is there an API?
Yes, on every plan. Create a key on the Developers page and post from scripts, CI or your own app.
Is Postbase open source?
Yes. You can read the code, or self-host it for free with your own platform API keys.
Related
- Postbase for Claude
Add Postbase to Claude as a custom connector and let Claude draft and schedule posts to X, LinkedIn, Bluesky and Mastodon.
- Postbase for Claude Code
One command adds Postbase to Claude Code.
- Announce every release from Claude Code
Set up Claude Code to read your changelog, write launch posts for X, LinkedIn and Bluesky, and schedule them with a reusable slash command.
- Postbase for creators
Write one post, fit it to every network you're on, and plan the whole month on one calendar, so you spend your time making things instead of copying and pasting..
- Postbase for agencies
Give each client their own workspace with its own channels and team, switch between them in one click, and pay a flat price per plan instead of per channel..
- Postbase for small businesses
Write your posts in one sitting, let Postbase fit them to each network, and get back to running the business.
Ready to get started?
Connect Postbase to Claude, Claude Code or Cursor, and your launch notes turn into posts for every network, scheduled on a calendar you check once a week.
Cancel anytime · or self-host for free
PostbaseCopy your key now — you won't see it again.
pb_live_Qm7xT2vLr9KcH0sWbN8y…4f2aCopyAuthentication
Client