Buffer MCP Server
MCP server for Buffer social media management — create, schedule, and manage posts across all your connected social platforms via Claude.
Built on Buffer's new GraphQL API (public beta, Feb 2026).
Setup
Requirements: Node.js >= 20
npm install
npm run buildBuffer Access Token
- Go to publish.buffer.com/settings/api
- Click "Generate API Key"
- Copy your access token
Environment Variables
| Variable | Required | Description | |----------|----------|-------------| | BUFFER_ACCESS_TOKEN | Yes | Your Buffer API access token |
Usage with Claude Desktop
Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json):
{
"mcpServers": {
"buffer": {
"command": "node",
"args": ["/path/to/buffer-mcp/dist/index.js"],
"env": {
"BUFFER_ACCESS_TOKEN": "your-token-here"
}
}
}
}Usage with Claude Code
Add to your .mcp.json:
{
"mcpServers": {
"buffer": {
"command": "node",
"args": ["/path/to/buffer-mcp/dist/index.js"],
"env": {
"BUFFER_ACCESS_TOKEN": "your-token-here"
}
}
}
}Tools (7)
| Tool | Description | |------|-------------| | account_info | Get account, organizations, and their IDs | | channels_list | List all connected social channels for an org | | channel_get | Get details for a single channel | | posts_list | List posts with filters (status, channel, date range) and pagination | | post_get | Get a single post by ID | | post_create | Create a post (queue, schedule, publish now, or publish next) | | idea_create | Save an idea to the Buffer ideas board |
Resources (1)
| URI | Description | |-----|-------------| | buffer://info/api | API info, rate limits, supported platforms, limitations |
Limitations
- No edit/delete via API: The beta GraphQL API supports creating posts only. Use the Buffer dashboard to edit or delete.
- No analytics: Engagement metrics (likes, comments, reach) are not available via API.
- No DMs: Only public posts are supported.
- Media via URL only: Attach images/videos by providing a hosted URL. No file upload endpoint yet.
- Rate limit: 100 requests per 15 minutes per client.
