Machine Relations

By Bramwell

Overview

Research which sources appear in AI-generated answers using measured citation data. Find ranked domains by buyer category and question type, filter for editorial publications or vendor sites, and look up a domain’s observed citations. Compare sources to inform research and content planning. Results include release windows, sample counts and source links. Read-only access to public Machine Relations Index data; no account required. Data is licensed under CC BY 4.0.

Tools

mri_get_category

ChatGPT

Return one category's question shapes (best tools, how buyers choose, comparisons, top lists, problem-first research, is it worth it, news) and the evidence state of each: published with rates, collecting, or not collectable.

mri_get_cited_sources

ChatGPT

Ranked source domains that AI answer engines cite for one category and question shape, with citation rate (share of monitored answer runs citing the domain), rank, percentile and source role (editorial publication, vendor-owned, analyst research, community, academic/government, market database, wire distribution). Use to answer 'which publications/sources does ChatGPT or Perplexity cite for <category>' or 'where should a <category> brand earn coverage to be cited by AI'.

mri_get_domain

ChatGPT

For one domain or URL, return how often AI answer engines cite it: overall citation rate, which engines cite it, confidence tier, rank among all cited domains and within its source role, and per-category segment rates. Use to answer 'does ChatGPT/Perplexity cite <site>' or 'how authoritative is <publication> as an AI source'.

mri_get_engine

ChatGPT

Ranked sources one answer engine cites, by that engine's citation rate across the whole window. Pass category to limit the list to sources with a published segment in that category; the rate stays the whole-window rate and is not a rate inside the category. Collecting categories and engines below the evidence floor withhold the ranking. Use to answer 'what sources does Perplexity cite most?' or 'which sources does Google AI Overviews cite among published <category> sources'.

mri_list_categories

ChatGPT

List every Machine Relations Index category (e.g. cybersecurity, fintech, enterprise-software, ai-visibility-geo) with the question shapes that have published citation rates, plus the source-role vocabulary. Call this first to get a valid category key.

mri_list_engines

ChatGPT

List each answer engine with the model the release roster names, the engine's observed runs and days, whether that sample clears the evidence floor, and the most-cited source on that engine across the whole window.

Capabilities

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Example Prompts

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Links

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