MCP connector

Postproxy × ChatGPT

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

Turn on Developer mode, add the Postproxy URL on the Plugins page, and sign in with your Postproxy account. ChatGPT gets the full publishing surface over OAuth.

One plugin URL

Add Postproxy as a ChatGPT plugin

ChatGPT connects to Postproxy over OAuth. Turn on Developer mode, add the URL on the Plugins page, and authorize with your Postproxy account.

Plugin URL

https://mcp.postproxy.dev/mcp

How Postproxy works inside ChatGPT

1

Turn on Developer mode

Open Settings → Security and login and turn on Developer mode.

2

Add the plugin

Go to chatgpt.com/plugins, click the + button, and paste `https://mcp.postproxy.dev/mcp` as the MCP server URL.

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

Turn on Developer mode under Settings → Security and login, open chatgpt.com/plugins, click +, paste the Postproxy URL (https://mcp.postproxy.dev/mcp) as the MCP server, and sign in with your Postproxy account.

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

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

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

Ready to get started?

Start with our free plan and scale as your needs grow. No credit card required.

Get started View documentation