What is the key difference between Postfast MCP and Sf MCP?

Postfast MCP belongs to the Social Media category with local stdio execution, while Sf MCP belongs to the Social Media category with local stdio execution.

How do I install Postfast MCP or Sf 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 Postfast MCP and Sf MCP free or paid?

Postfast MCP operates under a BYOK (Pay Provider Direct) model (other). Sf MCP operates under a Paid Service model (other).

Which MCP server has more tools and community activity?

Postfast MCP lists 24 tools with 4 views and 5 GitHub stars. Sf MCP lists 40 tools with 2 views and 3 GitHub stars.

Can I use both Postfast MCP and Sf 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

Postfast MCP vs Sf MCP

In-depth architectural comparison of the Postfast MCP and Sf 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

Postfast MCP

Social Media · Local stdio

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

Sf MCP

Social Media · Local stdio

Quality: 57/100 (Good) | Auth: other

Verdict Summary: Choose Postfast MCP if you need specialized Social Media tools running via a local process. Choose Sf 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 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: list_accounts, list_posts, create_posts.

Explore Postfast MCP Details

Choose Sf MCP when:

You need dedicated capabilities in the Social Media domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Paid Service).
You have access to required keys: ONBOARD_API_CLIENT_ID.
Primary tools included: sf_health, login_with_client_id, current_client_context.

Feature & Specification Comparison

Specification	Postfast MCP peturgeorgievv-factory Social Media	Sf MCP signal-found Social Media
Summary	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.	Connect AI agents to Signal Found's proprietary Reddit outreach network. Find prospects posting about problems your product solves, send personalized DMs at scale via your own Reddit account or a managed bot network of hundreds of accounts, and manage a full outreach CRM — all without leaving your AI client.
Category & Scope

Tools & Capabilities Breakdown

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)

create_posts

Create and schedule posts (batch, up to 15)

delete_post

Delete a post from PostFast by ID (does not remove an already-published post from the platform)

upload_media

Upload a local file and get a media key (handles the full flow)

get_upload_urls

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).

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"
      }
    }
  }
}

Sf MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "signal-found-sf-mcp": {
      "command": "uvx",
      "args": [
        "sf-mcp"
      ],
      "env": {
        "ONBOARD_API_CLIENT_ID": "YOUR_ONBOARD_API_CLIENT_ID_HERE"
      }
    }
  }
}

Frequently Asked Questions

Postfast MCP is categorized under Social Media and uses a local stdio subprocess. In contrast, Sf MCP belongs to Social Media using local stdio subprocess. Select Postfast MCP when you need capabilities focused on social media and Sf MCP when you require tools for social media.

More alternatives to Postfast MCP More alternatives to Sf MCP Social Media category hub