Install or upgrade the agnostic-ai CLI on this machine, picking the route that fits the OS and what is already installed. Use when agnostic-ai is missing, when `agnostic-ai --version` fails, or before any other agnostic-ai skill runs.
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Added September 23, 2026
ai-agentsgoshellbashnodegit
Works with
terminal
cli
Security analysis
F34/100
criticalPipes output to a shell interpreter
mediumUses curl or wget to download content
criticalDownloads and executes remote scripts — classic supply chain attack
mediumInstalls packages at runtime which could introduce malicious dependencies
Installs into .claude/skills of the current project.
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---
name: install
description: Install or upgrade the agnostic-ai CLI on this machine, picking the route that fits the OS and what is already installed. Use when agnostic-ai is missing, when `agnostic-ai --version` fails, or before any other agnostic-ai skill runs.
---
# install
Puts the `agnostic-ai` binary on PATH without asking the user to hunt for a release archive.
## Steps
1. Run `agnostic-ai --version`. If it prints a version, stop: it is installed. Report the version and offer `agnostic-ai upgrade` if the user asked for the newest.
2. Detect the platform and pick the first route that applies:
| Platform | Route | Command |
|---|---|---|
| macOS / Linux with Homebrew | Homebrew | `brew install --cask Chemaclass/tap/agnostic-ai` |
| macOS / Linux, no Homebrew | install script | `curl -fsSL https://raw.githubusercontent.com/Chemaclass/agnostic-ai/main/scripts/install.sh \| bash` |
| Windows | install script | `irm https://raw.githubusercontent.com/Chemaclass/agnostic-ai/main/scripts/install.ps1 \| iex` |
| Any platform with Node 18 or newer | npm | `npm install -g agnostic-ai` |
| Any platform with Go | Go | `go install github.com/chemaclass/agnostic-ai/cmd/agnostic-ai@latest` |
Check for a tool with `command -v brew` / `command -v npm` / `command -v go`.
npm is published and works. It sits below the install scripts because npm 11 prompts before running install scripts, which pushes the binary download to first run. `npx agnostic-ai` runs the CLI with no install at all.
winget and Scoop are wired into the release pipeline but not published yet, so `winget install Chemaclass.agnostic-ai` and `scoop install agnostic-ai` both fail today. Do not offer them.
3. Run the chosen command. Do not run more than one route. If it reports that no package matches, fall back to the install script for that platform, which reads straight from the repo.
4. Verify with `agnostic-ai --version`.
5. If the shell reports "command not found" right after a successful install, PATH has not been reloaded yet. Tell the user to open a new terminal. The install scripts print the directory they used.
## Notes
- The install scripts verify the download against the release `checksums.txt`. Do not replace them with a bare `curl` of the binary.
- Already installed but out of date: `agnostic-ai upgrade` detects the original install method and prints the matching command. `agnostic-ai upgrade --run` executes it.
