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AI checking AI.

Cross generates research reports using up to 5 AI providers simultaneously (or more via model agents), then cross-checks every report against all others — a 5×5 fact-check matrix by default. Reports can be published to Discourse.

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Getting started

New user? Start here: Onboarding — set up your API keys and run your first report in minutes.

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Command reference

Command	Description
st	Interactive menu — launch any command from a numbered list
st-admin	Settings manager: DEFAULT_AGENT, model overrides, TTS voice, editor
st-analyze	AI-powered analysis of cross-product fact-check data
st-bang	Parallel report generation — run all AIs at once
st-cat	Print story fields to stdout (pipe-friendly)
st-cross	Cross-product: generate N stories × fact-check with N AIs
st-domain	Interactive wizard: create a new Cross-Stones benchmark domain
st-edit	Open a story container in your editor
st-fact	Fact-check one story with one AI
st-fetch	Import external content (URL, tweet, clipboard, file)
st-find	Search across story containers and prompt files
st-fix	Improve a story using fact-check feedback
st-gen	Generate a single AI report
st-heatmap	Cross-product fact-check score heatmap
st-ls	List contents of a story container
st-man	Manual pages for Cross commands (this system)
st-merge	Synthesize multiple AI stories into one
st-new	Create a new prompt from a template
st-plot	Cross-product fact-check score plots
st-post Post a story to Discourse
discourse-workflows Discourse posting workflow guide
st-prep	Prepare a raw AI response for posting
st-read	Readability metrics for stories
st-rm	Remove items from a story container
st-speak	Render a story as spoken audio (MP3)
st-speed	AI performance and speed analysis
st-stones	Cross-Stones benchmark leaderboard
st-verdict	Verdict category bar chart
st-voice	Browse, download, and test Piper TTS voices

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Topics

• Onboarding — first-time setup, API keys, running your first report
• Three Stages — GATHER · VERIFY · INTERPRET — how every Cross tool fits together
• Showcase Workflows — three killer workflows: "Is this fake news?", "What's missing?", "What can I trust?"
• Container Format — anatomy of subject.json: data[], story[], fact[], timing
• AI Providers — all 5 providers, models, free vs paid tiers
• Multi-Model — run more than one model per provider via agents (anthropic-opus + anthropic-sonnet side-by-side)
• Agents — what an agent is, naming rules, resolution order, and the --agent flag (cross-st 0.10.0+)
• Cross-Stones Benchmark — benchmark suite: scoring, domains, leaderboard
• FAQ — common questions and troubleshooting

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Install

pipx install cross-st          # no TTS
pipx install "cross-st[tts]"   # with text-to-speech
st-admin --setup              # configure API keys → ~/.crossenv

Source: github.com/b202i/cross-st