{"slug":"fredrikaverpil-nix-install","source_name":"fredrikaverpil/nix-install","name":"Fredrikaverpil/Nix Install","description":"Install Nix in the Claude Code web sandbox (the cloud environment) as a general-purpose package installer, then install packages from the Nix binary cache with no GitHub access. Use whenever a web session needs a tool that isn't preinstalled and isn't in a language registry (npm/pypi/crates/go) — Neovim, ripgrep, a compiler, anything in nixpkgs. Installs nix-bin via apt, configures single-user mode, and installs packages via nix-env against the nixpkgs channel tarball. Web-sandbox only.","version":1,"lift":{"pass_rate_delta_pts":77.27,"pass_rate_pct":100,"total_cases":22,"passed_cases":22,"tokens_delta_pct":13.9,"turns_delta_pct":0,"verdict":"pass","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-24T18:49:07.821871+00:00"},"skill_score":1,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":77.27,"with_pass_pct":100,"without_pass_pct":22.7,"tokens_delta_pct":13.9,"turns_delta_pct":0,"total_cases":22,"cases_aggregated":21,"verdict":"pass","never_hurt":true,"completed_at":"2026-08-24T18:49:07.821871+00:00","run_id":"1d96dad0-809a-47e9-a955-022886617f60","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"manifest_hash":"d852a029fe3f9b0f5c975e6a5ec1b6d66f3e874053069e8a5a650dbf8e7ac55e","raw_url":"https://app.decimal.ai/s/fredrikaverpil-nix-install/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/fredrikaverpil-nix-install"}