windmill-labs/windmill

Database: Postgres (compatible with Aurora, Cloud SQL, Neon, Azure PostgreSQL)
Backend: Rust - stateless API servers and workers pulling jobs from a Postgres queue
Frontend: Svelte 5
Sandboxing: <a href="https://github.com/google/nsjail" target="_blank" rel="noopener noreferrer nofollow">nsjail and PID namespace isolation
Runtimes: TypeScript/JavaScript: Bun (default); Deno only on the windmill-full images Python: python3 with uv for dependency management PHP: only on the windmill-full images Go, Bash, PowerShell, Rust, C#, Java, Ansible

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Tool	Description
CLI	Sync a workspace with local files and Git, run scripts and flows from the command line. `wmill init` generates `AGENTS.md` and skill files for Claude Code, Cursor and other AI tools
VS Code extension	Edit and test scripts and flows from VS Code or Cursor with full IDE support
Git sync	Two-way sync between a workspace and your Git repository
MCP server	Let coding agents and AI clients run scripts, manage resources and monitor jobs in a workspace
AI sessions	The same agent loop in the browser, with nothing to install: plan mode, skills and MCP servers, a live preview, and a diff to review before deploying, in a fork of the workspace

Environment Variable name	Default	Description	Api Server/Worker/All
DATABASE_URL		The Postgres database url.	All
MODE	standalone	The mode of the binary: standalone, server, worker, agent (EE), indexer (EE image, full-text search), mcp	All
WORKER_GROUP	default	The worker group the worker belongs to and gets its configuration pulled from	Worker
BASE_URL	http://localhost:8000	The base url that is exposed publicly to access your instance. Is overriden by the instance settings if any.	Server
LICENSE_KEY (EE only)	None	License key checked at startup for the Enterprise Edition of Windmill	Worker

Windmill - Code-first platform for workflows, apps and AI agents