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Arga Labs

Active

Real-world sandboxes to test agents and agent-facing software

P26·Spring 2026·B2B·San Francisco, CA, USA·Team of 3·Founded 2025

About

We build environments to test your app and agents against the real world. Deploy your code/agent into a sandbox that runs against replicas of external services (Stripe, Slack, Google Drive, etc.). Twins support the same APIs, MCP tool calls & SDKs as the real software, and you can spin up thousands of instances in parallel and seed them using natural language. Run real workflows, surface edge cases, and observe how your code/agents actually behave before hitting production.

Founders

  • Phillip Li· Founder

    Co-founder & CEO @ Arga Labs. Built an internal dev tool @ Amazon to automate complex engineering workflows, resulted in 10+ recurring weeks/year of engineer hours saved across multiple teams, and prevented VP escalations due to bug issues. Before that, I was a fencer on the Canadian Junior National Team and researched cognitive systems at UBC

  • Akira Tong· Founder

    Co-founder, CTO @ Arga Labs Prev. SDE @ Stripe, quant @ GS Skipped high school, graduated @ 19 Pro player for Identity V, quit because I had to finish my finals :(

Product launches · 1 launch

Change history · none recorded

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