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Use Postsiva MCP inside Cursor to manage social accounts from your editor: check connections, draft posts, publish, read analytics, and reply to comments — all via natural language.

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Prerequisites

  • Pro plan with mcp_enabled
  • Workspace API key (psk_live_…) from Settings → API Keys
  • At least one social account connected in that workspace
  • Cursor with MCP support (Settings → MCP)

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Install

1

Open MCP settings

Cursor → Settings → MCP → Add server
2

Configure HTTP transport

  • Type: HTTP (Streamable HTTP)
  • URL: https://mcp.postsiva.com/mcp
  • Header: X-API-Key = your psk_live_… key
3

Restart Cursor

Reload MCP or restart Cursor so the server connects.

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mcp.json (project or global)

Add to .cursor/mcp.json in your project, or ~/.cursor/mcp.json globally: 
{
  "mcpServers": {
    "Postsiva": {
      "url": "https://mcp.postsiva.com/mcp",
      "headers": {
        "X-API-Key": "psk_live_YOUR_KEY"
      }
    }
  }
}
Do not commit real API keys. Use environment-specific config or Cursor’s secret storage for production keys.
Alternative auth via query string (less recommended): 
https://mcp.postsiva.com/mcp?apikey=psk_live_YOUR_KEY

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Verify connection

In Cursor Agent chat, try:
What social accounts are connected to my Postsiva workspace?
The agent should call get_accounts and list linked platforms. If you see “API key required” or “Invalid or expired API key”, check the header and Pro plan status.

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Example prompts

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Accounts and OAuth

List all connected social platforms and their profile names.

Generate an OAuth link to connect TikTok to my workspace.

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Content pipeline

Turn this idea into LinkedIn and Threads post copy: "Why we open-sourced our design system"

Generate Instagram and LinkedIn images from this caption: "Launch day is here 🚀"

Analyze this image URL and suggest a caption for Instagram: https://cdn.example.com/hero.jpg

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Publishing

Post this text to LinkedIn and Bluesky: "We just shipped unified analytics — check it out."

Save a draft Instagram post with this caption and image URL: [caption] / [url]

Schedule this for tomorrow 14:00 UTC on LinkedIn: [text]

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Read and engage

Show my last 10 LinkedIn posts with engagement stats.

Get comments on my most recent Instagram post and draft replies to unanswered ones.

Pull unified analytics for this workspace — totals and per-platform breakdown.

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Queue management

List all scheduled posts for the next 7 days.

Show saved drafts across all platforms.

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Common workflows

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Draft → review → publish

  1. Ask for idea_to_content — review copy in chat
  2. Ask for content_to_image — confirm image URLs
  3. Ask to publish with draft: true first, then live when ready

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Weekly analytics review

1. get_unified_analytics
2. get_user_posts with refresh_stats=true for linkedin, limit=5
3. Summarize top performer and suggest next week's content themes

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Comment triage

1. get_comments with platforms=["instagram","linkedin"]
2. For each unanswered comment, reply_to_comment with a helpful response

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Tool reference

Cursor exposes all 13 MCP tools. See the Tool catalog for arguments and REST equivalents.
CategoryTools
Accountsget_accounts, manage_platform_connection
Postspublish, get_user_posts, get_queued_posts
Inboxget_comments, reply_to_comment
Analyticsget_unified_analytics
AIidea_to_content, content_to_image, media_to_content, analyze_media
Utilityweb_search_duckduckgo
clear_workspace_chat_history is not on MCP — use DELETE /user-agent-chats or ask the WhatsApp/website agent to clear history.

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Tips

  • Scoped keys: Use linkedin_only or comma-separated platform scopes for safer automation — see IDs and scopes.
  • LinkedIn refresh: get_user_posts with refresh_posts=true on personal LinkedIn is expensive (Apify) and caps at 2 posts — prefer cached data unless syncing live.
  • Character limits: Generated copy may exceed platform limits — ask Cursor to trim before publish.
  • Parallel platforms: idea_to_content and content_to_image run per platform in parallel; one failed platform does not block others.

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Troubleshooting

SymptomFix
MCP server red / disconnectedVerify URL, restart Cursor, check key prefix psk_live_
Plan upgrade messageUpgrade to Pro; confirm mcp_enabled
Empty tool listRe-add server; ensure Streamable HTTP (not stdio)
403 on OAuth connectAPI key scope may restrict platforms — use full scope

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Next

Connect to MCP

Transport and auth details

n8n integration

Automation workflows

Tool catalog

All 13 tools