Tax Law Copilot gives CAs & tax pros fast, reliable answers—straight from the law. Every response cites the exact section or proviso. Starting with India’s Income Tax Act, with more Acts & geographies coming soon. Zero hallucinations.

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.

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.

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.

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 turns your newsletter into a custom GPT your readers can add to ChatGPT. They can ask questions, explore your archive, and go deeper—anytime. You get more engagement, more reach, and a new way to own your voice in the AI era.

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