PostFast MCP – schedule social posts to 11 platforms from Claude/Cursor/ChatGPT

PostFast released an MCP server enabling users to schedule and manage social media posts across 11 platforms directly from AI tools like Claude, Cursor, and ChatGPT. The server supports both hosted OAuth and local API-key setups, offering tools for account management, post scheduling, media upload, and analytics.

MCP server for the PostFast https://postfa.st API — schedule and manage social media posts via AI tools like Claude, Cursor, VS Code, and more. Prefer not to run anything locally? Connect to the hosted endpoint and authenticate with OAuth — no npx, no API key to manage: https://mcp.postfa.st/mcp Add it as a remote/streamable-HTTP MCP server in any client that supports OAuth e.g. ChatGPT, Claude . You'll be prompted to sign in to PostFast and authorize access on first use. Want to run the server yourself instead? Use the npx + API-key setup in Quick Start below. Log in to PostFast https://app.postfa.st/dashboard , go to API in the sidebar, and generate a key. Choose your preferred method: Download the extension from the Claude Desktop extension directory https://claude.ai/extensions 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. 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" } } } } 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" } } } } 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" | Tool | Description | |---|---| list accounts | List connected social media accounts each with connectionStatus — CONNECTED / DISABLED — and disabledReason | 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 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 | search places | Find a place to tag posts the id works for both facebookPlaceId and instagramLocationId | 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 , Pinterest Business accounts | get follower history | Daily follower-count history for an account current count + delta over a date range — Facebook Pages, Instagram, YouTube, Pinterest, Threads, Bluesky, Telegram, LinkedIn company pages | Facebook, Instagram, X Twitter , TikTok, LinkedIn, YouTube, BlueSky, Threads, Pinterest, Telegram, Google Business Profile When creating posts, you can pass platform-specific settings via the controls parameter: | Platform | Controls | |---|---| X Twitter | xRetweetUrl | Instagram | instagramPublishType TIMELINE/STORY/REEL , instagramPostToGrid , instagramCollaborators , instagramLocationId / instagramLocationName geotag from search places | Facebook | facebookContentType POST/REEL/STORY , facebookAllowComments , facebookPrivacy , facebookReelsCollaborators , facebookTargetCountries ISO alpha-2, max 25 , facebookPlaceId / facebookPlaceName geotag from search places | 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 | 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. | Variable | Required | Description | |---|---|---| POSTFAST API KEY | Yes | Your workspace API key | POSTFAST API URL | No | API base URL default: https://api.postfa.st | Verify everything works with the MCP Inspector: POSTFAST API KEY=your-key npx @modelcontextprotocol/inspector npx postfast-mcp Full REST API documentation: postfa.st/docs https://postfa.st/docs npm install npm run build node dist/index.js MIT