Sahil Kathpal

Sahil Kathpal

Bookshelf – Turn Newsletters into GPTsBookshelf – Turn Newsletters into GPTs
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Convo is the fastest way to log, debug, and personalize AI conversations. Capture every message, extract long-term memory, and build smarter LLM agents - with one drop-in SDK.
Convo
ConvoMemory & observability for LLM apps
YC Library GPT distills 20+ years of startup wisdom from the Y Combinator blog into a searchable GPT. Get real, cited insights on ideas, cofounders, growth, and more — straight from the minds that shaped Silicon Valley.
YC Library GPT
YC Library GPTPG, Altman, and YC on call, anytime you ask
I built this because GPT kept hallucinating what PG “might say.” This custom GPT only pulls from paulgraham.com — no summaries, no fluff, just cited answers straight from his essays. Built for builders who want clarity, not noise.
Essays by Paul Graham GPT
Essays by Paul Graham GPTA tool for thinking — unrestrictive and full of surprises.
Bookshelf turns any newsletter into a custom GPT so readers can chat with your archive, ask smart questions, and get answers from your writing, not the web. Setup takes 2 minutes, no code required.
Bookshelf
Bookshelf Let readers chat with your archive in their ChatGPT app