
Foundry provides a deterministic web simulator and annotation framework to build robust web agents. Their platform enables reproducible testing, high-quality labeling, and scalable evaluation, helping businesses collect labels, benchmark agents, and debug performance without concerns about web drift, IP bans, or rate limits. Built by industry experts, Foundry aims to offer reproducible web environments for fair agent evaluation, scalable annotation for ground truth labels, and agent debugging for continuous improvement.

Foundry provides a deterministic web simulator and annotation framework to build robust web agents. Their platform enables reproducible testing, high-quality labeling, and scalable evaluation, helping businesses collect labels, benchmark agents, and debug performance without concerns about web drift, IP bans, or rate limits. Built by industry experts, Foundry aims to offer reproducible web environments for fair agent evaluation, scalable annotation for ground truth labels, and agent debugging for continuous improvement.
What they do: Deterministic web simulator, annotation, and evaluation platform for AI web/browser agents
Stage & funding: Seed — reported USD 125,000 (Y Combinator, Dec 2024)
Founding & HQ: Founded 2024 — San Francisco, CA
Team size: ~7 employees
Primary use cases: Reproducible testing, high-quality labeling, benchmarking, and agent debugging
Evaluation, simulation, and data infrastructure for AI web/browser agents
2024
AI developer tools / AI infrastructure
USD 125,000
Reported seed investment from Y Combinator (Dealroom listing).
“Y Combinator (YC F24) participation as seed investor”