How do I install Postfast?

Postfast is a local plugin. Install it using npm package: postfast-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Postfast need?

Postfast requires the following credentials or environment variables: POSTFAST_API_KEY. You can find setup instructions on the server detail page.

What AI apps work with Postfast?

Postfast uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

Back to Browse

Postfast MCP Server

by Петър Георгиев

Developer ToolsModerate7.0Local

Free

MCP server for the PostFast API — schedule and manage social media posts via AI tools

About

MCP server for the PostFast API — schedule and manage social media posts via AI tools

Security Report

7.0

Moderate7.0Low Risk

Valid MCP server (5 strong, 6 medium validity signals). 3 known CVEs in dependencies (0 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry.

8 files analyzed · 4 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

file_system

Check that this permission is expected for this type of plugin.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

Your PostFast workspace API keyRequired

Environment variable: POSTFAST_API_KEY

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-peturgeorgievv-factory-postfast-mcp": {
      "env": {
        "POSTFAST_API_KEY": "your-postfast-api-key-here"
      },
      "args": [
        "-y",
        "postfast-mcp"
      ],
      "command": "npx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

PostFast MCP Server

MCP server for the PostFast API — schedule and manage social media posts via AI tools like Claude, Cursor, VS Code, and more.

Quick Start

1. Get your API key

2. Install

Choose your preferred method:

Claude Desktop (recommended)

Download the extension from the Claude Desktop extension directory or install manually:

Add to claude_desktop_config.json:

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

Restart Claude Desktop.

Claude Code

Via plugin (pending marketplace approval):

/plugin install postfast@claude-plugins-official

After installing, set your API key — pick one of these:

# Option A: Add to your shell profile (~/.zshrc or ~/.bashrc)
export POSTFAST_API_KEY="your-api-key-here"

# Option B: Add to ~/.claude/settings.local.json
# { "env": { "POSTFAST_API_KEY": "your-api-key-here" } }

Then restart Claude Code.

Via manual config:

Add to your project's .mcp.json or ~/.claude/.mcp.json (global):

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

Cursor / VS Code / Windsurf / Other MCP clients

Add to your MCP config (.mcp.json, mcp.json, or the tool's settings UI):

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

3. Use it

Ask your AI assistant things like:

"List my connected social accounts"
"Schedule a post to Instagram for tomorrow at 9am"
"Show me all scheduled posts for this week"
"Upload this image and create a LinkedIn post with it"
"Create a Facebook reel with this video"
"Show me analytics for my Instagram posts this month"

Available Tools

Tool	Description
`list_accounts`	List connected social media accounts
`list_posts`	List posts with filters (platform, status, date range)
`create_posts`	Create and schedule posts (batch, up to 15)
`delete_post`	Delete a post by ID
`upload_media`	Upload a local file and get a media key (handles the full flow)
`get_upload_urls`	Get signed URLs to upload media files
`list_pinterest_boards`	Get Pinterest boards for an account
`list_youtube_playlists`	Get YouTube playlists for an account
`list_gbp_locations`	Get Google Business Profile locations for an account
`generate_connect_link`	Generate a link for clients to connect accounts
`get_post_analytics`	Fetch published posts with performance metrics — Instagram, Facebook, TikTok, Threads, YouTube, LinkedIn (company pages)

Supported Platforms

Facebook, Instagram, X (Twitter), TikTok, LinkedIn, YouTube, BlueSky, Threads, Pinterest, Telegram, Google Business Profile

Platform-Specific Controls

When creating posts, you can pass platform-specific settings via the controls parameter:

Platform	Controls
X (Twitter)	`xCommunityId`, `xRetweetUrl`
Instagram	`instagramPublishType` (TIMELINE/STORY/REEL), `instagramPostToGrid`, `instagramCollaborators`
Facebook	`facebookContentType` (POST/REEL/STORY), `facebookAllowComments`, `facebookPrivacy`, `facebookReelsCollaborators`
TikTok	`tiktokPrivacy` (PUBLIC/MUTUAL_FRIENDS/FOLLOWER_OF_CREATOR/ONLY_ME), `tiktokIsDraft`, `tiktokAllowComments`, `tiktokAllowDuet`, `tiktokAllowStitch`, `tiktokBrandOrganic`, `tiktokBrandContent`, `tiktokAutoAddMusic`, `tiktokIsAigc`
YouTube	`youtubeTitle`, `youtubePrivacy` (PUBLIC/PRIVATE/UNLISTED), `youtubeTags`, `youtubeCategoryId`, `youtubeIsShort`, `youtubeMadeForKids`, `youtubePlaylistId`, `youtubeThumbnailKey`
Pinterest	`pinterestBoardId` (required), `pinterestLink`
LinkedIn	`linkedinAttachmentKey`, `linkedinAttachmentTitle`
Google Business Profile	`gbpLocationId` (required), `gbpTopicType` (STANDARD/EVENT/OFFER), `gbpCallToActionType`, `gbpCallToActionUrl`, `gbpEventTitle`, `gbpEventStartDate`, `gbpEventEndDate`, `gbpOfferCouponCode`, `gbpOfferRedeemUrl`, `gbpOfferTerms`

Media Upload

The upload_media tool handles the full flow in a single call:

Detects content type from file extension
Gets a signed upload URL from PostFast
Uploads the file
Returns a key and type ready to use in create_posts

Supported formats: JPEG, PNG, GIF, WebP, MP4, WebM, MOV

You can also use get_upload_urls directly if you need more control over the upload process.

Environment Variables

Variable	Required	Description
`POSTFAST_API_KEY`	Yes	Your workspace API key
`POSTFAST_API_URL`	No	API base URL (default: `https://api.postfa.st`)

Testing

Verify everything works with the MCP Inspector:

POSTFAST_API_KEY=your-key npx @modelcontextprotocol/inspector npx postfast-mcp

API Docs

Full REST API documentation: postfa.st/docs

Development

npm install
npm run build
node dist/index.js

Badges

License

MIT

Reviews

No reviews yet

Be the first to review this server!

More Developer Tools MCP Servers

Git

Free

by Modelcontextprotocol · Developer Tools

Read, search, and manipulate Git repositories programmatically

Toleno

Free

by Toleno · Developer Tools

Toleno Network MCP Server — Manage your Toleno mining account with Claude AI using natural language.

mcp-creator-python

Free

by mcp-marketplace · Developer Tools

Create, build, and publish Python MCP servers to PyPI — conversationally.

Postfast MCP Server

About

Security Report

Findings (4)Action required

Permissions Required

What You'll Need

How to Install

Documentation

PostFast MCP Server

Quick Start

1. Get your API key

2. Install

Claude Desktop (recommended)

Claude Code

Cursor / VS Code / Windsurf / Other MCP clients

3. Use it

Available Tools

Supported Platforms

Platform-Specific Controls

Media Upload

Environment Variables

Testing

API Docs

Development

Badges

License

Reviews

No reviews yet

More Developer Tools MCP Servers

Git

Toleno

mcp-creator-python

Postfast MCP Server

About

Security Report

Findings (4)Action required

Permissions Required

What You'll Need

How to Install

Documentation

PostFast MCP Server

Quick Start

1. Get your API key

2. Install

Claude Desktop (recommended)

Claude Code

Cursor / VS Code / Windsurf / Other MCP clients

3. Use it

Available Tools

Supported Platforms

Platform-Specific Controls

Media Upload

Environment Variables

Testing

API Docs

Development

Badges

License

Reviews

No reviews yet

More Developer Tools MCP Servers

Git

Toleno

mcp-creator-python

MarkItDown

mcp-creator-typescript

FinAgent