Pre-release

This release is a pre-release and may not be stable for production use.

Tower CLI

The CLI and Python runtime for Tower - deploy your AI and hand-written Python code to production in minutes.

Bridge the last mile from code to production.

PyPI Version License

What is Tower?

Code-first platform for deploying Python data apps, pipelines, and AI agents, with built-in orchestration, analytical storage, and multi-tenant APIs. Works natively with AI coding assistants via MCP.

Install

pip install -U tower

Other install options (Nix, Devenv, releases).

Why Tower?

Are you shipping your Python code to prod but struggling to:

Turn scripts into production services
Expose APIs for users and customers/tenants
Store and query analytical data
Run reliably across environments

Tower gives you:

Python-native orchestration and control-plane APIs for pipelines and agents.
Consistent execution environment for your code; run on serverless or your own compute.
Observability, user and tenant management, and managed Iceberg storage (Snowflake, Spark compatible).

Quick Start

Install (see above) and log in:
```
tower login
```

Clone the example repo (includes the hello-world app):

git clone https://github.com/tower/tower-examples
cd tower-examples/01-hello-world

Create an app and run it:
```
tower deploy
tower run
```

Expected output:

✔ Scheduling run... Done!
Success! Run #1 for app `hello-world` has been scheduled

Full walkthrough: Quick Start

Using Tower with Claude, Cursor and other AI assistants (MCP)

You can build, deploy, and manage Tower apps through natural language using the Tower MCP server. Tower includes an MCP (Model Context Protocol) server that allows AI code assistants like Claude or Cursor to interact directly with your Tower apps.

Full walkthrough: Quickstart with MCP

Add Tower to Claude

Add the MCP server to Claude:
```
claude mcp add tower tower mcp-server
```

Clone the examples and start a Claude session:

git clone https://github.com/tower/tower-examples
cd tower-examples
claude

Ask Claude to build and deploy — for example:

Create a Python app that fetches stock ticker data from the Yahoo Finance API and prints a summary. Deploy it to Tower and run it.

Add Tower to Cursor

Or open this link directly.

If that doesn't work, see the MCP Server reference for additional setup instructions.

Add Tower to other AI Assistants

Using a different AI assistant like Zed, VS Code or Gemini? See the MCP Server reference for setup instructions across all supported clients.

If you find Tower useful, consider giving the repo a ⭐.

Features

Consistent execution environment everywhere - tower run on Tower serverless or your own compute.
Deploy in under 30 seconds - tower deploy packages and ships.
Secrets - CLI-managed; injected as env vars in runner only (E2E encrypted).
Optional AI inference, Iceberg or dbt - tower[ai], tower[iceberg] or tower[dbt]; details.
MCP server - Deploy and launch runs from AI coding assistants; details.

Demo

▶ Tower demo (YouTube)

Use Cases

Data pipelines - ELT, dbt Core, dltHub, batch jobs.
Interactive apps and APIs - Marimo notebooks, FastAPI endpoints.
Data agents - Fresh, company-specific data, Tower apps as Agentic Tools, lakehouse as facts database.
Platforms and SaaS - Multi-tenant apps, headless data stacks.
Sensitive data workloads / on-prem - Self-hosted runners; data stays in your environment.

In production at CosmoLaser, Inflow, dltHub, a-Gnostics, and others.

Comparison

Tower replaces the typical stack of Airflow + custom APIs + storage with one platform.

Feature	GitHub Actions	Airflow + self‑managed compute	Dagster	Tower
Flow orchestration (data/control flows)	Partial (1)	Yes	Yes	Yes
Flexible compute (self‑hosted + serverless)	Yes	Partial (2)	Partial (3)	Yes
Analytical storage (lakehouse tooling)	No	No	No	Yes
Multi-tenant platform (APIs, users, apps)	No	No	Partial (4)	Yes

(1) GH Actions has orchestration primitives but no flow support.
(2) Typically requires a managed Airflow service.
(3) Self-hosted Dagster requires hosting both data and control planes.
(4) Run-triggering APIs exist; user management depends on Dagster Cloud vs self-hosted.

How It Works

┌────────────┐     ┌─────┐     ┌──────────────────────┐     ┌────────┐     ┌───────────┐
│ Developer  │ ──► │ CLI │ ──► │ Tower Control Plane  │ ──► │ Runner │ ──► │ Lakehouse │
└────────────┘     └─────┘     └──────────────────────┘     └────────┘     └───────────┘

With an AI coding assistant (e.g. Claude, Cursor), the flow goes through the Tower MCP server:

┌────────────┐     ┌────────┐     ┌──────────────────┐     ┌──────────────────────┐
│ Developer  │ ──► │ Claude │ ──► │ MCP (Tower CLI)  │ ──► │ Tower Control Plane  │ ──► ...
└────────────┘     └────────┘     └──────────────────┘     └──────────────────────┘

Apps - Python + requirements.txt + Towerfile (entrypoint, source). Any Python; no SDK required.
Deploy - tower deploy builds, uploads, stores encrypted. Tower cannot read your code.
Secrets - tower secrets; env vars in runner only (AES-256).
Runtime - Runner pulls app/config, decrypts, runs in sandboxed Python. Same model locally and in cloud.

How Tower works.

Roadmap

Code-first orchestration
Observability
Self-hosted runners
Interactive apps
Organizations
RBAC
Iceberg ingestion

Not For

GUI-first pipeline design (Tower is natural language / code / CLI-first).
GPU-heavy model training or inference as the primary workload (Tower offloads GPU inference to cloud services).

Contributing

PRs and issues are welcome. See CONTRIBUTING.md and DEVELOPMENT.md.

If you found Tower useful, consider giving the repo a ⭐.

License

License: MIT.

Full installation options and optional features →

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tower 0.3.70rc2

Tower CLI

What is Tower?

Install

Why Tower?

Quick Start

Using Tower with Claude, Cursor and other AI assistants (MCP)

Add Tower to Claude

Add Tower to Cursor

Add Tower to other AI Assistants

Features

Demo

Use Cases

Comparison

How It Works

Roadmap

Not For

Contributing

License

Key dates

2 maintainers

Credits

License

Requires

Provides Extra

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Source Distribution

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