← ClaudeAtlas

cross-evallisted

/cs:cross-eval <memo> — Multi-model consensus on a board memo or strategy brief. Claude + Codex + Gemini cross-review with graceful degradation.
timdevai/proteus · ★ 1 · AI & Automation · score 74
Install: claude install-skill timdevai/proteus
# /cs:cross-eval — Multi-Model Consensus **Command:** `/cs:cross-eval <memo-or-brief>` Runs the same memo through multiple model providers and reconciles divergences. Use for **high-stakes, irreversible decisions** where single-model bias is too costly: M&A, major fundraises, layoffs, strategic pivots, regulatory commitments. Adapted from gstack's `/codex` cross-review pattern, generalized to **business memos** instead of code PRs. ## When to Run - Before signing a term sheet - Before announcing a layoff - Before committing to a regulated market - Before any decision where reversing costs > 6 months of company time - When the boardroom vote was split or had a CRITICAL dissent ## Models Used (graceful degradation) The command tries to invoke each available model in order: 1. **Claude** (primary, always available) — the boardroom's native voice 2. **Codex / OpenAI** (if `OPENAI_API_KEY` or `codex` CLI available) 3. **Gemini** (if `GEMINI_API_KEY` or `gemini` CLI available) If only Claude is available, the command runs **Claude-only with adversarial mode** — same model, different prompt seeds — and clearly labels the output as single-model. ## Workflow 1. Read the memo / brief 2. Probe environment for available model CLIs / API keys 3. For each available model: - Send the memo with this prompt prefix: > "You are an independent C-suite reviewer. The following is a board memo from another company's boardroom. Identify the top 3 concerns, the top 3 supports, and