YC Radar
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Evidence that keeps working.

Explore prepared observations, connect customer needs to startup activity, and follow how an insight changes as new evidence arrives.

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Add proprietary customer information

Imports are visible only to you. Paste a note or load a text/Markdown file. For CSV, use company,text columns; title,published_at are optional. Dates use YYYY-MM-DD. Maximum 200 CSV rows.

Without this choice, the source is stored and searchable in YC Radar; it will not enter Builder model context or background model requests.

Monthly 2×2 preparation

Hypotheses to test with founders

Prioritize observations and AWS risks, plan founder questions, and record what you learn. Team goals and wins/losses are outside this workspace. Drafts and conversation notes are private to you.

Suggested hypotheses from prepared evidence

Machine-generated candidates need review. Adding one does not mark it validated.

Prepared evidence

Slice the source material

These are selected, machine-extracted source claims. Matching entities are not an exhaustive count of companies working on a topic. Concepts overlap; missing evidence stays unknown.
Observations and exact quotes
Matching source documents, including imports without model processing
Continual discovery

Latest insight hypotheses

Background-generated connections across prepared sources. These cards reflect the latest preparation, independently of the evidence filters above. Open a card to inspect support, counterevidence and earlier revisions.