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Paper Star (YC X26) — Building the next generation of agents

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Paper Star is a Y Combinator company in the Spring 2026 batch. Its directory entry describes it as: Building the next generation of agents. The founders listed are Jynnie Tang (Founder/CEO), Manuel Castro (Founder), Claire Nord (Founder/CTO) (Y Combinator directory entry, April 9, 2026).

6 more companies from YC Spring 2026 ↓

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Paper Star

New accelerator entry · 2026-04-09 · the record

Spring 2026
batch
3
people
Early
stage
United States of America
region
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What the record says

BatchSpring 2026
Announced2026-04-09
StageEarly
StatusActive
Team size3
IndustryB2B
Sub-industryB2B
SectorsAI
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://paperstar.cc
Previously known asPaper Star, Napkin Math

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Also in YC Spring 2026

Same batch, B2B first.

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In their words

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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC

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What the Full Report on Paper Star covers

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  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    1 cited source found

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Sourced from the company's Y Combinator directory entry.

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Paper Star: Accepted into Y Combinator Spring 2026
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Permanent URL: https://mentionfox.com/funding/yc-paper-star
Last updated 2026-10-21
Primary record: Y Combinator directory entry
Paper Star (YC X26) — Building the next generation of agents. MentionFox, 2026-10-21. https://mentionfox.com/funding/yc-paper-star