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Heinzelmännchen

Less busywork. More good work. Open-source, local-first helpers for product teams. Connect your tools, put repeatable work into workflows, and keep people in control.

Heinzelmännchen helpers

Install & explore · Plugin catalog · Build a plugin

Install

Supported on macOS and Linux. Windows may work, but is not supported. If you already have uv, run:

uvx heinzel@latest

Need uv installed for you? Use the guided installer instead:

curl -LsSf https://helmut.hoffer-von-ankershoffen.me/heinzel/install.sh | sh

It reuses uv when available, otherwise runs Astral's official installer. It then runs the same app launcher. No administrator access or separate Python installation is needed. You can inspect the script first.

One command selects the newest published standard app, verifies its artifacts, installs its default plugins and opens the workspace. You do not need to choose versions, clone a repository or configure a build environment. Run the same command later to open the installed app. Ctrl-C stops the foreground session; background operation remains optional. Use the setup flow to configure the services you want. Optional integrations may need credentials. Installing the Tailscale plugin does not enable sharing. On Linux, standard installation needs an accessible systemd user manager in your user session. In a headless session without one, open a user session with its service manager and retry.

Work where you work

  • One operation, several ways in. Typed Python operations can become CLI commands, MCP tools and REST endpoints.
  • A web workspace. Today, contracts and team context bring the work into view.
  • Plugins that own their functionality. Add operations, views, widgets, notifications and integrations.
  • Themes with personality. Palettes, artwork and soundscapes belong to their themes.
  • Independent development. Build, test and release plugins against an installed SDK.

Team graph in the Heinzel workspace with fictional data

This is the foundation: kernel, heads, workflows and extension points. The broader vision is an accountable, composable AI operating system for product teams. See the vision and architecture.

Extend it

Plugins can live in their own public or private repositories, carry their own dependencies and release on their own schedule. The authoring guide covers scaffolding, local preview, tests, builds, publication and catalog discovery.

For a minimal SDK without the standard plugins:

uv tool install heinzel

Contribute · Source · Issues · License

Metadata

Release files for heinzel 0.9.9

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for heinzel 0.9.9
File Size Uploaded Provenance Actions
heinzel-0.9.9.tar.gz 8.5 MB With provenance Details for heinzel-0.9.9.tar.gz

Built distribution (wheel)

Table of built distributions (wheels) for heinzel 0.9.9
File Interpreter ABI Platform Actions
heinzel-0.9.9-py3-none-any.whl Python 3 none any Details for heinzel-0.9.9-py3-none-any.whl

Total release size: 11.0 MB

Release files / heinzel-0.9.9.tar.gz

Download URL heinzel-0.9.9.tar.gz
Size 8.5 MB
Tags Source
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1db3d0b77111a6e6ecd725adfd5f6c531a547153cbef690355a34da43613cc3a
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fdbf26f6cbf30663dc4913efdff935a40aead6fb98717fc1799de289193b73bd
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Yes
Uploaded via twine/7.0.0 CPython/3.13.16

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Signed by GitHub Actions, verified by PyPI on Oct 31, 2026.

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Release files / heinzel-0.9.9-py3-none-any.whl

Download URL heinzel-0.9.9-py3-none-any.whl
Size 2.5 MB
Tags Python 3
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6ecf245ac3d16c1cd7c84deaebce4409558edcf6766c06b0b6849b6f7988ae0b
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64807e6b33645b3065a84d370f36927d78213312b8eb409d474bd51277aa3e80
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Yes
Uploaded via twine/7.0.0 CPython/3.13.16

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PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Oct 31, 2026.

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Security for heinzel 0.9.9

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Attestation for heinzel-0.9.9.tar.gz

PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Oct 31, 2026.

Transparency log

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This release

0.9.9 This release

2 release files Full provenance

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