Developers

Build with Fast.io

CLI, REST API, and MCP server. Everything you need to give your apps and AI agents cloud storage.

Install the CLI API Docs

New

CLI

Terminal-native workspace management. Upload, search, share, and query from your shell. Built-in MCP server.

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API Docs

Full REST API reference. Authentication, workspaces, files, shares, AI, and more.

Open docs

MCP Server

Connect AI agents via Model Context Protocol. 251 tools over Streamable HTTP, SSE, or local stdio.

Learn more

Start in 30 Seconds

Install the CLI, log in, and you have a cloud workspace.

# Install
$ npm install --global @vividengine/fastio-cli

# Log in
$ fastio auth login

# Create a workspace
$ fastio workspace create --org my-org "My Project"

# Upload a file
$ fastio upload file --workspace my-project ./report.pdf

# Ask the AI
$ fastio ai chat --workspace my-project "Summarize this report"

Start Building.

No credit card, no seat fees. Get a workspace and connect your tools in minutes.