Post to Social Media from Cursor & Claude Desktop: Developer Guide

Most developers and technical founders know they should post on social media.

Building in public, sharing technical architecture decisions, and announcing new feature releases drives adoption, hiring, and customer growth.

Yet in practice, developer marketing rarely happens because context switching kills the habit.

When you just finished shipping a feature at 11 PM after solving a tricky bug, the last thing you want to do is open LinkedIn, log in to X, format a carousel, or copy-paste git commit summaries into a marketing scheduler.

With the Model Context Protocol (MCP), you never have to leave your code editor.

You can ask Cursor or Claude Desktop to inspect your latest git commits, write a technical breakdown, and schedule the post across LinkedIn and X—right from the command bar.

Here is the complete setup guide.

What Is AutoPoster MCP?

AutoPoster AI provides an official Model Context Protocol (MCP) server that connects AI clients (Claude Desktop, Cursor, Windsurf, Raycast, and VS Code) to 9 social networks:

LinkedIn (Personal profile & Company Pages)
X (Twitter)
Instagram (Feed posts, Reels, Carousels)
TikTok
YouTube (Community posts & Shorts)
Threads
Bluesky
Pinterest
Facebook

Through MCP, your AI assistant receives structured tools to list your accounts, inspect character limits, create draft posts, schedule releases, and track live URLs.

Installation: 1-Line Setup

The fastest way to install AutoPoster MCP is using the automated CLI tool:

1. Get an API Key

2. Run the Auto-Installer

# To configure Cursor IDE:
npx -y @autoposter/mcp install cursor --key YOUR_API_KEY

# To configure Claude Desktop:
npx -y @autoposter/mcp install claude --key YOUR_API_KEY

# To configure VS Code:
npx -y @autoposter/mcp install vscode --key YOUR_API_KEY

The CLI automatically detects your project or global configuration directory, creates or merges the config file, and verifies connectivity.

Manual Configuration (If You Prefer JSON)

Configuring Cursor (`.cursor/mcp.json`)

Inside your project root or user home directory, add or update .cursor/mcp.json:

{
  "mcpServers": {
    "autoposter": {
      "command": "npx",
      "args": ["-y", "@autoposter/mcp"],
      "env": {
        "AUTOPOSTER_API_KEY": "ap_live_your_api_key_here"
      }
    }
  }
}

Restart Cursor. Open the Composer (Cmd + I or Ctrl + I) and click the gear icon to verify that autoposter tools are active.

Configuring Claude Desktop (`claude_desktop_config.json`)

On macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
On Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "autoposter": {
      "command": "npx",
      "args": ["-y", "@autoposter/mcp"],
      "env": {
        "AUTOPOSTER_API_KEY": "ap_live_your_api_key_here"
      }
    }
  }
}

Restart Claude Desktop. You will see the hammer tool icon in the bottom right corner showing the available AutoPoster capabilities.

3 Killer Workflows for Developers

1. The Git Diff to Changelog Post (In Cursor)

You just merged a pull request implementing a new OAuth flow. In Cursor composer:

"Look at the git diff from HEAD~1 to HEAD. Write a technical 'what shipped today' post for LinkedIn and a 2-tweet thread for X. Include the code architecture highlights. Schedule it for tomorrow at 9 AM."

What happens behind the scenes:

Cursor analyzes your actual code changes and git commit messages.
It calls autoposter_list_accounts to retrieve your connected LinkedIn and X IDs.
It calls autoposter_schedule_post with the formatted content and scheduled timestamp in your local timezone.
It responds with the scheduled post confirmation ID.

2. The Technical Deep Dive Thread (In Claude Desktop)

You wrote a detailed engineering README or architectural decision record (ADR). In Claude:

"Read this README on our DynamoDB single-table design. Turn this into an educational post for tech Twitter and a story-driven LinkedIn post. Save it as a draft in AutoPoster so I can review it before publishing."

Claude formats the copy and invokes autoposter_draft_post. The draft appears in your AutoPoster dashboard ready for quick review.

3. The Multi-Platform Rule Check

Before posting a code screenshot or diagram, ask:

"What are the image aspect ratio requirements and maximum character lengths for LinkedIn and X?"

The agent calls autoposter_get_rules and confirms the exact constraints before writing the copy.

Available MCP Tools Reference

Tool	Description
`autoposter_list_accounts`	Lists connected accounts with channel IDs and platform types.
`autoposter_get_rules`	Returns platform-specific character limits, media rules, and hashtags constraints.
`autoposter_draft_post`	Creates a post in `drafts` state for human review in the web app.
`autoposter_schedule_post`	Schedules a post for future delivery across multiple channels.
`autoposter_publish_draft`	Immediately publishes an existing post draft.
`autoposter_get_post_status`	Checks delivery status (draft, queued, published) and retrieves live URLs.

Safety: Why You Can Trust MCP in Your IDE

Giving tools to AI in an editor requires strict guardrails:

No Raw Password Storage: The MCP server uses scoped API keys.
Review-First Architecture: You can configure your workspace so that posts require approval by default. The agent can only create drafts until you approve them in the dashboard.
Workspace Isolation: Keys are bound to specific workspaces. Your personal accounts and company accounts remain completely segregated.

Conclusion

Building an audience as an engineer doesn't require spending hours inside marketing dashboards.

By adding the AutoPoster MCP server to Cursor or Claude Desktop, you can turn your daily code commits and architectural decisions into high-impact social content in seconds.

Install the package today with npx -y @autoposter/mcp install cursor and start building in public.

Ready to automate your social media?