Add the Backblaze B2 MCP server to Claude Code

claude mcp add backblaze-b2 -e B2_APPLICATION_KEY_ID=YOUR_VALUE -e B2_APPLICATION_KEY=YOUR_VALUE -- npx -y @backblaze-labs/b2-mcp

Scopes, env vars, OAuth and limits: Claude Code MCP config guide

Run /mcp inside Claude Code to sign in to remote servers that use OAuth. Backblaze B2 runs locally and needs B2_APPLICATION_KEY_ID, B2_APPLICATION_KEY. Replace the placeholder values above with your own before starting Claude Code.

Ask Claude Code for something Backblaze B2 can do. Manage B2 buckets, files, application keys and Object Lock through the native B2 and S3 compatible APIs. Approve the first tool call and check the result before allowing write actions automatically.

• · Add --scope project to share a server with your team through .mcp.json in the repo.
• · Use claude mcp list to see what is connected and claude mcp remove <name> to drop one.

How do I add the Backblaze B2 MCP server to Claude Code?

Run: claude mcp add backblaze-b2 -e B2_APPLICATION_KEY_ID=YOUR_VALUE -e B2_APPLICATION_KEY=YOUR_VALUE -- npx -y @backblaze-labs/b2-mcp. Run /mcp inside Claude Code to sign in to remote servers that use OAuth.

Is this the official Backblaze B2 MCP server?

Yes. It is published by Backblaze as io.github.backblaze-labs/b2-mcp in the official MCP registry.

Does the Backblaze B2 MCP server need an API key?

Yes. It runs locally and requires B2_APPLICATION_KEY_ID, B2_APPLICATION_KEY.