Proofsource
by FastDrop
AI visibility: which buyer questions name your brand in ChatGPT, Perplexity, Claude, AI Overviews.
AI visibility: which buyer questions name your brand in ChatGPT, Perplexity, Claude, AI Overviews. Official MCP Registry: co.proofsource/proofsource@1.0.0. Remote endpoint: https://app.proofsource.co/v1/mcp
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Remote MCP endpoint ingested from the official registry and probed by FastDrop.
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as co.proofsource/proofsource and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
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Read directly from the endpoint on 13 Oct 2026. Not supplied by the maker.
list_brandsThe brands this Proofsource workspace tracks in AI answers, with ids and websites. Call first; every other tool takes a brand_id.
list_topicsThe topics and buyer questions Proofsource asks ChatGPT, Perplexity, Claude and Google AI for a brand. Gives the topic_id create_prompt needs.
get_visibilityHow often ChatGPT, Perplexity, Claude and Google AI mention the brand when buyers ask about its category. by=engine (default): mention rate, share of voice, average position, citation share and sentim
get_competitorsThe competitors AI answers name for the brand's buyer questions, per engine, with each one's share of voice against the brand and how it changed over the window.
get_citationsThe websites AI answers cite for the brand's buyer questions, ranked by share of citations and by how many answers cite them, and where the brand's own site ranks.
get_changesWhat moved over the window: the daily mention-rate trend, how much the engines' answers changed, notable changes on competitors' websites, and new pages about the category.
list_fix_opportunitiesThe gaps that keep AI engines from citing or recommending the brand, each with its evidence and the suggested fix. Gives the gap_id mark_fix_shipped needs.
get_fix_verificationEach fix marked shipped for the brand with its mention rate before and after and a verdict: moved (beyond normal answer churn), within_noise, or awaiting_samples. Fixes marked "Not a fix" are left out
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Matched on shared tags and the tools their MCP servers actually expose.
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
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