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How to connect Upload-Post to Claude

Connect Claude Web, Desktop and Cowork to Upload-Post MCP. Schedule linkedin and twitter product updates, publish instagram posts for campaign launch, and more using natural language, with authentication handled for you.

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Upload-Post is a social publishing API for posting, scheduling, and managing content across social networks. Use it to run multi-channel content workflows through one clean API instead of separate platform integrations.

12 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Upload-Post account to Claude via Composio Connect, enabling it to schedule LinkedIn and Twitter product updates, publish Instagram posts for campaign launch, list scheduled social posts for review, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

Also integrate Upload-Post with

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Connecting Upload-Post to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

2. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

3. Connect your Upload-Post account

Back in Claude, ask it to connect to Upload-Post or give it any Upload-Post-related task.

For example, ask Claude to:

  • "Schedule LinkedIn and Twitter product updates"
  • "Publish Instagram posts for campaign launch"
  • "List scheduled social posts for review"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Upload-Post account is ready to use.

What is the Upload-Post Claude Connector, and what's possible with it?

The Upload-Post MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Upload-Post account. It provides structured and secure access so your agent can perform Upload-Post operations on your behalf.

Troubleshooting

1. Why does Claude not use the Composio connector for Upload-Post?

The connector can show as connected, but Claude must use it in each Upload-Post conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Upload-Post again.

2. Why does Claude show an MCP server error before Upload-Post connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Upload-Post.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Upload-Post.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Upload-Post authorization link not work?

The Composio connector is one server. Your Upload-Post account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Upload-Post connection.
  • Composio creates a fresh Upload-Post authorization link.
  • Open that link in your browser and finish the Upload-Post sign-in.

4. Why do Upload-Post actions fail after they worked before?

The Upload-Post connection can expire or lose permission.

  • Ask Claude to inspect the Upload-Post connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Upload-Post account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Upload-Post.
  • If the action still fails with a permission error, check that the connected account has that permission in Upload-Post itself.

5. How do I switch to a different Upload-Post account?

Claude can manage the Upload-Post connection for you.

  • Ask Claude to disconnect or delete the current Upload-Post account.
  • Ask Claude to connect Upload-Post again.
  • Open the new Composio authorization link for Upload-Post.
  • Sign in with the other Upload-Post account in the browser.
  • After the account connects, ask Claude to retry the Upload-Post task.

6. Why is my Upload-Post connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Upload-Post connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Upload-Post tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Upload-Post.
TOOLS

Supported Tools

Every Upload-Post action and event your agent gets out of the box.

Cancel Scheduled Post

Permanently cancel a scheduled post before publication and delete its staged assets.

Create Profile

Create an Upload-Post profile for a unique caller-owned username; this does not connect any social platform.

Enqueue Post

Insert one video, photo carousel, or text post into a profile's external publication queue.

Get Upload Status

Get the processing status and per-platform results for an asynchronous or scheduled upload.

List Cached Post Analytics

Return one page of cached per-post analytics for a profile without consuming the live platform-analytics request limit.

List Platform Destinations

List selectable Facebook Pages, LinkedIn organizations, Pinterest boards, or Google Business locations for an already connected profile.

List Profiles

List Upload-Post profiles and their connected social accounts.

List Scheduled Posts

Return one page of pending scheduled posts and the job IDs needed to edit or cancel them.

List Upload History

Return one page of past and in-progress Upload-Post uploads, including platform post IDs, URLs, request IDs, and failures.

Publish Post

Immediately publish one video, photo carousel, or text post to external connected platforms.

Schedule Post

Schedule one video, photo carousel, or text post for future external publication to connected platforms.

Update Scheduled Post

Change the future publication time, title, or caption of an existing scheduled post.

FRAMEWORKS

How to build Upload-Post MCP Agent with another framework

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ChatGPT

Use Upload-Post MCP with ChatGPT

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Grok Bot

Use Upload-Post MCP with Grok Bot

FAQ

Frequently asked questions

With a standalone Upload-Post MCP server, the agents and LLMs can only access a fixed set of Upload-Post tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Upload-Post and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Upload-Post tools.

Yes, absolutely. You can configure which Upload-Post scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Upload-Post data and credentials are handled as safely as possible.

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