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Postbroad
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Post to social media from Claude. On claude.ai and in Claude desktop.

Add Postbroad as a custom connector and Claude can read your calendar, draft a version for each network, and check what went live. Claude asks before each call that writes, and Postbroad previews first.

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Hosted MCPChat app
Claude, connected to PostbroadWhat it can do
Plan from your real calendarReads your brands, the channels each one posts to, and what is already planned, then finds the free slots.
Draft a version for each networkWrites one post with a version per network, checked against your brand rules and each network's limits before anything is saved.
Schedule or publish after a previewEvery write shows a preview first: what goes where, the checks, and any problems. Nothing is saved or sent until you say yes.
Send drafts for approvalIf a brand needs approval, the agent gets a review link and stops. It cannot approve a post for you.
Check what really happenedReads the state on each network: live with a link, accepted, retrying, or waiting for you. It tells failed and unknown apart.
Retry only what failedSends again to the networks that failed, after you confirm. A post whose outcome is unknown is not sent twice.

Connect Claude in three steps.

Claude uses the hosted Postbroad MCP server. There is nothing to install: you sign in in the browser and pick the brands.

  1. Add a custom connectorIn Claude, open Settings, Connectors, Add custom connector, and use the address https://app.postbroad.com/mcp.
  2. Sign in and pick brandsThe first time the client connects, Postbroad opens a sign-in page in your browser. Sign in and choose the brands this connection may touch. There is no key to copy.
  3. Ask for your brandsTurn the connector on in a chat and ask: "List my Postbroad brands." Every Postbroad tool says whether it only reads or changes something.
Claude custom connector
Server address:  https://app.postbroad.com/mcp
Sign-in:         in the browser, with your Postbroad account

The connection can touch only the brands you pick
when you sign in. Revoke it any time in Postbroad.
  • Claude asks you to approve each tool call that writes. Keep that on.
  • Images and video are not generated inside the connector.

Prompts to start with.

Each one only reads or proposes until you say yes. Paste one into a chat once Postbroad is connected.

Plan next week for the brand Northwind. The week starts Monday. Look at what is already on the calendar and propose a draft for each free slot. Do not schedule anything.
Post this article to Northwind on Bluesky and LinkedIn. Show me the text for each network before you save anything.
What failed yesterday for Northwind? For each network, tell me what happened and what I can do.
Draft three posts about this changelog entry in the Northwind voice. Save the one I choose as a draft.

Every channel you connect.

Claude posts to the channels you connected in Postbroad, each with its own limits and its own state.

See every channel
IGInstagramLILinkedInXXBSBlueskyFBFacebookTHThreadsTGTelegramWPWordPress

Claude questions.

Does this work in Claude desktop too?

Yes. Claude desktop uses the same custom connector and the same sign-in.

Can the agent post without asking me?

Not by default. Each agent or connection has a mode: draft only, needs approval (the default), or auto within a budget. Scheduling and publishing always show a preview first.

Which networks can it post to?

The channels you have connected in Postbroad. Each network keeps its own limits and its own state. See every channel.

Can I take the access away?

Yes. Remove the connection in the client, or revoke its grant or its API key in Postbroad, and the access ends.

Other agents.

The same Postbroad, the same rules, from another client.

Read the guide

ChatGPTHosted MCPClaude CodeHosted MCPCursorHosted MCPOpenAI CodexHosted MCPGemini CLIHosted MCPOpenClawHosted MCPn8nREST APIMakeREST APIZapierREST API

Let Claude draft the week.

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