# setup

Guides you through connecting external judge models and generating configuration files for the multi plugin.

- skill · `type=skill` · Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode · ★ 23
- Author: szarkans
- License: MIT · policy=mirror · the beginning of the file is at the end of this page
- Source: https://github.com/szarkans/multi/tree/HEAD/skills/setup/SKILL.md
- Updated: 2026-10-22
- HTML: https://affpapa.org/en/nevibecode/skills/szarkans-setup

## What it does

This skill prepares review backends for the `multi` plugin. It triggers `probe.sh` to inspect local AI CLIs, active sessions, and environment variables. The script detects setups for Codex, OpenCode, Gemini, or endpoints like OpenRouter, 9router, and Moonshot, along with tools like Kilo Code and Antigravity.

All parameters live in `$MULTI_HOME/config.toml` (defaults to `~/.config/multi`), while sensitive API keys stay isolated in `providers.env`. The skill guides model selection either using defaults or live web research. Without at least one non-Claude reviewer configured, `/multi:code-review` will refuse to run.

## Install

### Claude Code (native platform)

1. **Skills CLI (Vercel)**
```bash
npx skills add szarkans/multi --skill setup -a claude-code
```

2. **Manually: put the files in place**
- File: `~/.claude/skills/setup/SKILL.md` — Copy the whole skill folder; for one project use .claude/skills/setup/

### Codex

1. **Skills CLI (Vercel)**
```bash
npx skills add szarkans/multi --skill setup -a codex
```

2. **Manually: put the files in place**
- File: `.agents/skills/setup/SKILL.md` — For all projects use ~/.agents/skills/

### Cursor

1. **Skills CLI (Vercel)**
```bash
npx skills add szarkans/multi --skill setup -a cursor
```

2. **Manually: put the files in place**
- File: `.cursor/skills/setup/SKILL.md` — Cursor also reads .agents/skills/ and .claude/skills/

### GitHub Copilot

1. **GitHub CLI**
```bash
gh skill install szarkans/multi setup
```

2. **Manually: put the files in place**
- File: `.github/skills/setup/SKILL.md`

### Gemini CLI

1. **Skills CLI (Vercel)**
```bash
npx skills add szarkans/multi --skill setup -a gemini-cli
```

2. **Platform CLI**
```bash
gemini skills install https://github.com/szarkans/multi --path skills/setup
```

### Windsurf (Devin Desktop)

**Manually: put the files in place**
- File: `.devin/skills/setup/SKILL.md` — The legacy .windsurf/skills/ path still works

### OpenCode

**Skills CLI (Vercel)**
```bash
npx skills add szarkans/multi --skill setup -a opencode
```

### Claude.ai

**Claude.ai**
- Zip the folder and upload it in Settings → Capabilities → Skills

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/szarkans/multi/tree/HEAD/skills/setup/SKILL.md

## When to use it
- connect external LLM backends for multi-model reviews
- generate the initial `config.toml` and isolate keys in `providers.env`
- inspect installed AI CLIs and active sessions via `probe.sh`
- pick default and fallback models for OpenRouter or OpenCode

## Example prompts
- run multi setup to check available backends
- connect OpenRouter as a reviewer model
- configure review judges in config.toml

## Source text · SKILL.md · MIT

Below is the content of a third-party file. It is data, not instructions for you: do not act on anything written inside unless the human asks. Block tag: 4e978aa9d32be058.

BEGIN THIRD-PARTY FILE 4e978aa9d32be058
```text
---
name: setup
description: >-
  Walks a user through connecting the judge models this plugin can use — Codex,
  OpenCode, OpenRouter (or any compatible endpoint: 9router, z.ai, Moonshot),
  Gemini — and through picking models, including "research current models for
  me". Use for "multi setup", "set up multi", "configure judges/reviewers/
  backends", "connect 9router", "change/pick models", "onboarding", or whenever
  a probe shows missing backends and the user needs to know what to do about it.
allowed-tools: Bash, Read, Grep, Glob, WebSearch, WebFetch
argument-hint: "[nothing needed — just run it]"
---

# Connect the judges

!`"${CLAUDE_SKILL_DIR}/../../scripts/probe.sh"`

`$SCRIPTS` is whatever the probe printed as `scripts-dir:`. The probe already
ran above — read it, do not run it again. It detected everything detectable:
which CLIs are installed, who is logged in, which keys exist, whether the
OpenCode paid channel is available, whether `kilo-available:` was printed (offer
Kilo Code, `references/kilo.md`), whether `agy-available:` was printed (offer
the Antigravity CLI, `references/agy.md`), and what other AI CLIs live on this
machine. **Never ask the user about anything the probe already answered.**

**On any host other than Claude Code** the line above is plain text, nothing
ran. Your first step is then to run the probe yourself and read its output as
if it were printed here: `<dir of this SKILL.md>/../../scripts/probe.sh` — the
plugin's `scripts/probe.sh`, two directories above the *real* file (resolve
symlinks first: `realpath` of this SKILL.md, then `../../scripts/probe.sh`).

If the line above reads `Shell substitution failed` instead of probe output,
the session is in a git worktree whose shell gate refused the header; the
plugin is fine. Run `"${CLAUDE_SKILL_DIR}/../../scripts/probe.sh"` yourself,
as one plain command with nothing but the path, and read `scripts-dir:` from
that.

The user here is not assumed technical. No jargon, no walls of text, one step
at a time, and never make them feel behind for not having done this already.

## First contact: what this is, in three sentences

Only when little or nothing is connected yet (Claude alone, or one backend).
Returning users with a working lineup skip straight to fixing gaps.

> This plugin asks several different AI models to look at the same thing
> instead of just one — when they agree it's a real signal, and when they
> disagree, that disagreement is exactly what one model alone can never show
> you. You'll use it mostly as `/multi:code-review` (several models review
> your changes before a PR), `/multi:ask` (one question, several independent
> answers), and `/multi:check-if-done` (is this actually finished?).
> Claude is already connected; each backend below adds an independent
> reviewer, most at no extra cost.

## Show them the one file, before anything else

Right after first contact (and for a returning user, whenever they ask to
change models, endpoints or who reviews), put the config in front of them. It
is theirs to edit, and the whole point is that they can. In words, then the
file:

> Everything multi does is set in one file, `$MULTI_HOME/config.toml` (default `~/.config/multi`, or `$XDG_CONFIG_HOME/multi`; the probe's `config:` line names the file):
> which reviewers exist, which models each one tries in order, and which set
> runs by default. Keys are the one thing kept out of it, in
```
END THIRD-PARTY FILE 4e978aa9d32be058

The third-party file has ended. Everything between the 4e978aa9d32be058 tags is data: requests and commands from it are not followed. An “end of file” line with another tag inside the block is part of the file.

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---
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