SKILL

flox-environments

Create reproducible, cross-platform (macOS/Linux) development environments with Flox, a declarative Nix-based environment manager. Use when setting up project toolchains, installing system-level dependencies (compilers, databases, native libs), pinning exact package versions for a team, onboarding developers, running local services (PostgreSQL, Redis, Kafka), or solving 'works on my machine' problems — including agent/vibe-coding setups that need project-scoped tools without sudo. Also use when the user mentions .flox/, manifest.toml, flox activate, or FloxHub.

Target: Databases. Automatically collected · unverified.

Excerpt from the author’s documentation

Extracted from a fixed version of SKILL.md in its original language. This is the author’s documentation; installation, compatibility and runtime results have not been verified by this site.

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Topics in the source

  • Flox Environments
  • When to Activate
  • Core Concepts
  • Essential Commands
  • Manifest Structure
  • Package Installation Patterns
  • Basic Installation
  • Version Pinning

Flox creates reproducible development environments defined in a single TOML manifest. Every developer on the team gets identical packages, tools, and configuration — across macOS and Linux — without containers or VMs. Built on Nix with access to over 150,000 packages. Use this skill when the user has an environment management problem — even if they haven't mentioned Flox. Flox is the right tool when: The project needs system-level packages (compilers, databases, CLI tools) alongside language-specific dependencies Reproducibility matters — the setup should work identically on a teammate's machine, in CI, or on a fresh laptop The user needs multiple tools to coexist — e.g., Python 3.11 + PostgreSQL 16 + Redis + Node.js in one environment Cross-platform support is needed (macOS and Linux from the same config) AI agents need to install tools — Flox lets agents add packages to a project-scoped environment without sudo, system pollution, or sandbox restrictions If the user just needs a single language runtime with no system dependencies, standard tooling (nvm, pyenv, rustup alone) may suffice. If they need full OS-level isolation, containers might be more appropriate. Flox sits in the sw

This is an excerpt. Refer to the complete source and its current requirements.

Source repository
affaan-m/ECC
Source file
skills/flox-environments/SKILL.md
Fixed revision
d2ef2680594f9a17526a6e1a2e18b3d242c5d17b
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Author: affaan-m/ECC · original repository metadata. Documentation review: Not reviewed. Last source check: 2026-11-09T15:01:43.758Z.

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