# Zayd Simjee (slim)

> Zayd Simjee is co-founder; joined Harvey product and engineering. Guardrails AI on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/zayd-simjee/index.md (~900 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/people/zayd-simjee/index.json · canonical https://www.anchorterminal.com/people/zayd-simjee/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder; joined Harvey product and engineering.

Zayd Simjee co-founded Guardrails AI with Shreya Rajpal.

- X: https://x.com/zaydsimjee

## What Zayd builds

- [Guardrails AI](https://www.anchorterminal.com/tools/guardrails-ai.md), graded D, 50/100, in Guardrails & safety filters. Open-source Python framework for validating LLM inputs and outputs, with configurable actions for failed checks and an API server. Co-founder; joined Harvey product and engineering, researched 2026-10-27.

## Works with

- [Shreya Rajpal](https://www.anchorterminal.com/people/shreya-rajpal/), Co-founder and former CEO; joined Harvey product and engineering

## Backed by

- [Zetta Venture Partners](https://www.anchorterminal.com/investors/zetta-venture-partners/)
- [Bloomberg Beta](https://www.anchorterminal.com/investors/bloomberg-beta/)
- [Pear VC](https://www.anchorterminal.com/investors/pear-vc/)
- [Factory](https://www.anchorterminal.com/investors/factory/)
- [Microsoft](https://www.anchorterminal.com/investors/microsoft/)

## Questions

### Who is Zayd Simjee?

Zayd Simjee co-founded Guardrails AI with Shreya Rajpal.

### What does Guardrails AI (Harvey) make?

Anchor Terminal lists Guardrails AI from Guardrails AI (Harvey).

### Who has invested in Guardrails AI (Harvey)?

The sources our research read name Zetta Venture Partners, Bloomberg Beta, Pear VC, Factory and Microsoft.

### How are Zayd's tools graded?

Guardrails AI is graded D, 50 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://guardrailsai.com/blog/guardrails-ai-joins-harvey
- https://x.com/ShreyaR
- https://x.com/zaydsimjee
- https://guardrailsai.com/
- https://guardrailsai.com
- https://x.com/guardrails_ai
- https://guardrailsai.com/docs
- https://guardrailsai.com/guardrails/docs/help
- https://discord.com/invite/kVZEnR4WQK

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.