Garry TanPresident and CEO of Y Combinator, gstack creator565 installs on skills.shYC Office Hours
Pressure-test a startup idea with the questions a YC partner asks.
Office hours: I want to build an AI tool that writes investor updates for founders.
Used Edge: YC Office HoursSix hard questions, asked one at a time.
Pushback until each answer has evidence, then a design doc.
What this costs elsewhere
YC Office Hours, in your agent
Free
What it does
- Demand reality
- The status quo
- Desperate specificity
- The narrowest wedge
- What surprised you
- A design doc
Why Garry Tan
CEO of Y Combinator. Each fact links its public source.
- President and CEO of Y Combinator
He leads YC and co-founded Initialized Capital, earliest investor in Coinbase and Instacart.
LinkedIn headline - 137k+ GitHub stars on gstack
His Claude Code setup ships QA, planning and release documentation tools as skills.
GitHub repo - Co-founded Posterous, acquired by Twitter
He co-founded the YC S08 blog platform Posterous, which Twitter acquired.
Y Combinator people page
How it works
- 1Ask
Asks one forcing question at a time.
- 2Push
Pushes back on vague answers.
- 3Write
Writes the design doc at the end.
Office hours: I want to build an AI tool that writes investor updates for founders.
Used Edge: YC Office HoursSix hard questions, asked one at a time.
Package instructions + 1 worked example
These materials show the intended workflow. They do not support a measured performance claim.
Evidence standardSelect the Files tab to load SKILL.md.
Skill details
What you get & setupPackage instructions
Pressure-test a startup idea before you build it. Your agent asks the hard questions a YC partner would, one at a time, and will not let a vague answer slide.
- Input
- A task and the working material it needs
- Output
- Terminal output
- Setup
- Read the package instructions before use
Evidence & limitationsPackage available
Package available. All skill files are here. The worked example explains the intended workflow; it is not a recorded model run.
Creator, source & adoptionGarry Tan
Created by Garry Tan. The installable package is distributed through the public getedgehq skills collection.
Read skill files6 files
Security scanEdge checks passed · Oct 8, 2026
Edge scans the exact package it delivers before an agent loads it. A pass means no scanner flagged it, not that the skill is safe: read its instructions and commands before you run them.
- Edge static checks
- Pass · edge-static/1.0.2 · Oct 7, 2026
- Edge committed-secret checks
- Pass · edge-secrets/1.0.0 · Oct 7, 2026
- Gen Agent Trust Hub
- Pass · Oct 8, 2026 · via skills.sh
- Socket
- Warn · Oct 8, 2026 · via skills.sh
