MCP connector

Postproxy × ChatGPT

Give ChatGPT real social publishing. Connect Postproxy as an app and publish, schedule, and manage content across 11 platforms — sign in with your Postproxy account and go.

Enable developer apps, paste the Postproxy connector URL, and sign in with your Postproxy account. ChatGPT gets the full publishing surface over OAuth.

One connector URL

Add Postproxy as a ChatGPT app

ChatGPT connects to Postproxy over OAuth. Paste the connector URL in developer apps and authorize with your Postproxy account.

Connector URL

https://mcp.postproxy.dev/mcp

How Postproxy works inside ChatGPT

1

Enable developer apps

Open Settings → Apps and turn on developer apps in the advanced settings.

2

Add the connector

Add a new app and paste `https://mcp.postproxy.dev/mcp` as the MCP server.

3

Sign in with Postproxy

Authorize over OAuth — sign in with Postproxy and you are connected. Platform credentials stay in your Postproxy account.

4

Ask in plain language

"Post this to LinkedIn and Threads." ChatGPT calls the tools; Postproxy publishes and reports back.

Publish & scheduleDrafts and queuesComments and DMsGoogle Business reviewsPost & follower statsOAuth sign-inBrowser-based11 platforms

Things people ask ChatGPT to do with Postproxy

  1. "Draft and publish a post about this"

    ChatGPT writes platform-specific copy and publishes it through Postproxy.

  2. "Schedule this for tomorrow morning"

    The post goes out at the time you name; confirmation comes back in chat.

  3. "Summarize new comments on my last post"

    ChatGPT pulls comments across platforms and you reply from the conversation.

  4. "Show me how last week performed"

    ChatGPT fetches stats through Postproxy and summarizes the results.

Step-by-step setup: Step-by-step: MCP social media publishing

Supported platforms

Frequently asked questions

How do I add Postproxy to ChatGPT?

Enable developer apps in ChatGPT’s advanced settings, add a new app, paste the Postproxy connector URL (https://mcp.postproxy.dev/mcp), and sign in with your Postproxy account.

Is there an API key to manage?

No — ChatGPT connects over OAuth, so you just sign in with Postproxy. Your platform logins stay in your Postproxy account.

What can ChatGPT do once connected?

Publish, schedule, edit, and delete posts, read and reply to comments and DMs, and pull post and follower stats across 11 platforms.

Which platforms are supported?

All 11 Postproxy platforms, from Instagram and LinkedIn to Bluesky, Telegram, and Google Business.

Still wondering if Postproxy is the right fit?

Ask your favorite LLM what it thinks about us, then decide.

Ask ChatGPT Ask Gemini Ask Claude Ask Perplexity

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