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Postfast MCP

by peturgeorgievv-factory

Schedule, publish, analyze, and manage social posts and comment inboxes across PostFast-connected accounts.

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Install Postfast MCP

Pick your client, then add it in one click or paste the config.

STDIONode.js
~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "peturgeorgievv-factory-postfast-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "postfast-mcp"
      ],
      "env": {
        "POSTFAST_API_KEY": "YOUR_VALUE_HERE"
      }
    }
  }
}

Settings → Developer → Edit Config, merge this into mcpServers, then fully quit and reopen Claude Desktop.

Values are written into the snippet above so you can paste it as is. They never leave your browser.

Install not yet sandbox-tested— we haven't run this command through our automated sandbox yet. Not a red flag; we're working through the catalog.

Overview

peturgeorgievv-factory/postfast-mcp connects MCP-compatible assistants to the PostFast API for managing social media accounts, posts, media, analytics, and comment conversations. It supports scheduling posts in batches, platform-specific publishing controls, account connection links, follower history, and a social inbox for comments. Use it when an agent needs to coordinate publishing or engagement across PostFast-connected Facebook, Instagram, TikTok, X, LinkedIn, YouTube, Threads, Pinterest, Bluesky, Telegram, or Google Business Profile accounts. It runs locally through npx with an API key or remotely through PostFast's OAuth-enabled MCP endpoint.

Use cases

  • Schedule batches of platform-specific social posts
  • Upload media and publish posts with platform controls
  • Review post analytics and follower trends
  • Triage and reply to social media comments
  • Connect client accounts with scoped authorization links

Key features

  • Multi-platform post scheduling
  • Batch creation and deletion
  • Media upload and signed URLs
  • Post analytics and follower history
  • Comment inbox management
  • Platform-specific publishing controls

Tools25

What Postfast MCP lets your agent do. Expand a tool for its parameters.

Self-reported~689 tokens of context

Security & health

What it can reach and how reliably it runs — from our own checks, not the maintainer’s claims.

ActiveLast checked 1d ago

Recent health check succeeded.

17/18 checks healthy over the last 79d

Supply-chain signal

No high-severity advisories surfaced by our automated scan.

Critical 0High 0Medium 0Low 0

Scanned 7d ago via OSV.dev · postfast-mcp (npm)

Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

GitHub stars7Stargazers on the source repository.
npm downloads1.6kPackage downloads in the last 30 days.
Last commit3d agoMost recent push to the default branch.
Tools exposed25Callable tools this server registers over MCP.
Directory activity5 viewsConfig copies, upvotes, and views on AllMCPs.

How Postfast MCP works

What peturgeorgievv-factory/postfast-mcp does

PostFast exposes social publishing and account-management workflows as MCP tools. Agents can inspect connected accounts, create or remove scheduled posts, upload media, retrieve platform-specific destinations, and query publishing performance. Supported account types include Facebook, Instagram, X, TikTok, LinkedIn, YouTube, Threads, Pinterest, Bluesky, Telegram, and Google Business Profile.

The server also covers comment moderation for supported social accounts. Its inbox tools list conversations and items, report unread totals, post public replies, send eligible Instagram private replies, change comment visibility or deletion state, and assign or triage conversations.

How it works

A local installation runs the postfast-mcp package with npx and authenticates requests using POSTFAST_API_KEY. The hosted option uses https://mcp.postfa.st/mcp as a remote, streamable-HTTP MCP server and authenticates through PostFast OAuth. In either mode, the assistant invokes MCP tools against the PostFast workspace and its connected accounts.

Post creation supports batches of up to 15 posts. Media can be uploaded through the complete local-file flow or through signed upload URLs. Posts accept platform-specific controls such as Instagram publication type, Facebook content type, TikTok music and draft settings, and YouTube privacy or playlist settings.

Setup and configuration

For local use, generate an API key from the API section of the PostFast dashboard, then add the server to the MCP client's configuration:

config.json
{
  "mcpServers": {
    "postfast": {
      "command": "npx",
      "args": ["-y", "postfast-mcp"],
      "env": { "POSTFAST_API_KEY": "your-api-key-here" }
    }
  }
}

Claude Desktop, Claude Code, Cursor, VS Code, and Windsurf are named setup targets. Claude Code also supports the PostFast plugin. The hosted endpoint avoids local installation and API-key configuration, but requires an MCP client with OAuth support.

Tools and capabilities

  • Inspect account connection status, follower counts, and inbox availability.
  • Filter posts by IDs, account, platform, status, and date range.
  • Create up to 15 posts in one call and delete up to 100 PostFast records.
  • Upload media, retrieve signed upload URLs, and look up boards, playlists, locations, and taggable places.
  • Generate account-connection links with platform scoping and redirect data.
  • Retrieve post analytics and daily follower history for supported platforms.
  • Find TikTok Commercial Music Library tracks for use in post controls.
  • List, reply to, moderate, assign, and triage comment conversations.

Limitations and notes

Deleting a post from PostFast does not remove content that has already been published on a social platform. Inbox coverage is limited to comments, not direct messages, and begins when an account is connected rather than backfilling older activity. Reply permissions are returned by the server for each conversation; Instagram private replies are limited to one per comment within seven days. Platform-specific controls and analytics depend on the account type and network involved.

Read the full README View source on GitHub

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Frequently Asked Questions about Postfast MCP

peturgeorgievv-factory/postfast-mcp is an MCP server that connects AI assistants to the PostFast API and its connected social accounts. Its main tools schedule and manage posts, upload media, retrieve analytics, track followers, generate account links, and manage comment inboxes across platforms such as Instagram, Facebook, TikTok, LinkedIn, YouTube, Threads, Pinterest, Bluesky, Telegram, and X.

Install it by configuring your MCP client to run `npx -y postfast-mcp` with `POSTFAST_API_KEY` set to a key generated in the PostFast dashboard. Claude Desktop, Claude Code, Cursor, VS Code, and Windsurf can use this local setup. A hosted OAuth endpoint is also available at `https://mcp.postfa.st/mcp`.

Yes, it works with Cursor. Install the PostFast plugin from Cursor's marketplace and provide the API key when prompted, or add the server manually using the standard npx MCP configuration.

Yes, it manages comment conversations for supported TikTok, Instagram, Facebook Page, and Threads accounts. Tools can list conversations and replies, post public replies, send eligible Instagram private replies, change comment state, mark conversations read, assign them, and set OPEN, SNOOZED, or CLOSED status.

No. Deleting a post removes its record from PostFast, but an already-published post remains on the social platform.

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