Let your AI post to social media
Postbase has a hosted MCP server. Add it to the AI tool you already use, sign in, and ask it to schedule posts for you.
Cancel anytime · or self-host for free
Connect your AI tool 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.
Pick your AI tool
Each one takes about a minute to set up.
- Claude
Add Postbase to Claude as a custom connector and let Claude draft and schedule posts to X, LinkedIn, Bluesky and Mastodon.
- Claude Code
One command adds Postbase to Claude Code.
- Cursor
Add the Postbase MCP server to Cursor in one click, and let its agent write and schedule launch posts and threads to your social accounts..
- VS Code
Add the Postbase MCP server to VS Code with one command and let GitHub Copilot's agent draft and schedule posts to X, LinkedIn, Bluesky and Mastodon..
- Windsurf
Add the Postbase MCP server to Windsurf's Cascade agent and schedule posts to X, LinkedIn, Bluesky and more while you code..
- Gemini CLI
Add the Postbase MCP server to Gemini CLI with one command.
How it works
- 1
Add the server
Paste the Postbase server URL into your AI tool, or run one command in your terminal.
- 2
Sign in to Postbase
Pick the workspace your AI may post to. There's no API key to copy, and you can revoke access any time.
- 3
Ask for a post
Tell it what to post, where and when. Everything it schedules lands in your Postbase calendar.
You stay in control
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.Four tools, nothing surprising
Your agent can list your channels, create posts and threads, check the queue and cancel a post. It can't delete anything or change your account.
Tools you've signed in to Postbase from. Revoking cuts off their access immediately.
Take access back in one click
Your agent shows up under Connected apps on your Developers page. Revoke it and it's cut off immediately.
Every post Your agent schedules lands in your calendar
Agent posts sit next to yours. Review, edit or cancel them before they go out.
From the blog
What is an MCP server? A plain-English guide for marketers
MCP lets AI tools like Claude and ChatGPT use your other software. What an MCP server is, how it works and what it means for social media.
25 September 2026 · 4 min read
AI agentsHow to let an AI agent post for you without losing control
Guardrails for letting Claude, ChatGPT or any AI agent post to your social accounts: drafts first, scoped access and one-click revoke.
23 September 2026 · 3 min read
Ready to get started?
Connect your agent in a minute. It drafts and schedules, and you see every post in your calendar.
Cancel anytime · or self-host for free
PostbaseCopy your key now — you won't see it again.
pb_live_Qm7xT2vLr9KcH0sWbN8y…4f2aCopyAuthentication
Client