Official Backblaze B2 MCP server for buckets, files, keys, Object Lock, and S3 storage.
Install
Run one of the commands below, then add the client config underneath.
npx -y @backblaze-labs/b2-mcpClient configuration
Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.
{
"mcpServers": {
"b2-mcp": {
"command": "npx",
"args": [
"-y",
"@backblaze-labs/b2-mcp"
]
}
}
}About this server
Backblaze B2 MCP Server is listed in the Files & Storage category of the MCPNav directory. It is distributed as npm and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the Backblaze B2 MCP Server MCP server?＋
Backblaze B2 MCP Server is an MCP server by backblaze-labs. Official Backblaze B2 MCP server for buckets, files, keys, Object Lock, and S3 storage.
How do I install Backblaze B2 MCP Server?＋
Install it with: npx -y @backblaze-labs/b2-mcp. Then add the JSON config to your client's MCP settings and restart the client.
Is Backblaze B2 MCP Server free to use?＋
The MCP server itself is free to install. The source is public on https://github.com/backblaze-labs/b2-mcp. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support Backblaze B2 MCP Server?＋
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.