What is the key difference between LinkedIn MCP (by TalkToHumans) and Postfast MCP?

LinkedIn MCP (by TalkToHumans) belongs to the Social Media category with cloud HTTP/SSE execution, while Postfast MCP belongs to the Social Media category with local stdio execution.

How do I install LinkedIn MCP (by TalkToHumans) or Postfast MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are LinkedIn MCP (by TalkToHumans) and Postfast MCP free or paid?

LinkedIn MCP (by TalkToHumans) operates under a Freemium model (OAuth 2.0). Postfast MCP operates under a BYOK (Pay Provider Direct) model (other).

Which MCP server has more tools and community activity?

LinkedIn MCP (by TalkToHumans) lists 4 tools with 2 views and 0 GitHub stars. Postfast MCP lists 24 tools with 4 views and 5 GitHub stars.

Can I use both LinkedIn MCP (by TalkToHumans) and Postfast MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

LinkedIn MCP (by TalkToHumans) vs Postfast MCP

In-depth architectural comparison of the LinkedIn MCP (by TalkToHumans) and Postfast MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

LinkedIn MCP (by TalkToHumans)

Social Media · Remote HTTP/SSE

Quality: 36/100 (Fair) | Auth: OAuth 2.0

Postfast MCP

Social Media · Local stdio

Quality: 64/100 (Good) | Auth: other

Verdict Summary: Choose LinkedIn MCP (by TalkToHumans) if you need specialized Social Media tools running via a hosted cloud SSE transport. Choose Postfast MCP if your workspace requires Social Media integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose LinkedIn MCP (by TalkToHumans) when:

You need dedicated capabilities in the Social Media domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: OAuth 2.0 (Freemium).
Primary tools included: Hosted remote MCP server — no local install, Structured search across LinkedIn contacts, network, and DM conversations, Intro-path and warm-lead discovery.

Explore LinkedIn MCP (by TalkToHumans) Details

Choose Postfast MCP when:

You need dedicated capabilities in the Social Media domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (BYOK (Pay Provider Direct)).
You have access to required keys: POSTFAST_API_KEY, POSTFAST_API_URL.
Primary tools included: .

Feature & Specification Comparison

Specification	LinkedIn MCP (by TalkToHumans) Social Media	Postfast MCP peturgeorgievv-factory Social Media
Summary	Let AI tools securely access your LinkedIn network and DMs	Schedule and manage social media posts across 10 platforms (Instagram, Facebook, TikTok, X, LinkedIn, YouTube, Threads, Pinterest, Bluesky, Telegram) from any MCP-compatible AI assistant.
Category & Scope	Social Media

Tools & Capabilities Breakdown

LinkedIn MCP (by TalkToHumans) Tools (4)

Hosted remote MCP server — no local install

Structured search across LinkedIn contacts, network, and DM conversations

Intro-path and warm-lead discovery

Works with Claude, Codex, Cursor, and ChatGPT

Postfast MCP Tools (24)

list_accounts

List connected social media accounts (each with `connectionStatus` — `CONNECTED`/`DISABLED` — `disabledReason`, `followerCount`/`followerCountUpdatedAt`, and `inboxCapable`)

list_posts

List posts with filters (specific IDs, platform, status, date range)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

LinkedIn MCP (by TalkToHumans) Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "linkedin-mcp-by-talktohumans": {
      "url": "https://api.talktohumans.app/mcp"
    }
  }
}

Postfast MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "peturgeorgievv-factory-postfast-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "postfast-mcp"
      ],
      "env": {
        "POSTFAST_API_KEY": "YOUR_POSTFAST_API_KEY_HERE",
        "POSTFAST_API_URL": "YOUR_POSTFAST_API_URL_HERE"
      }
    }
  }
}

Frequently Asked Questions

LinkedIn MCP (by TalkToHumans) is categorized under Social Media and uses a remote streaming HTTP/SSE transport. In contrast, Postfast MCP belongs to Social Media using local stdio subprocess. Select LinkedIn MCP (by TalkToHumans) when you need capabilities focused on social media and Postfast MCP when you require tools for social media.

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