Arga Labs provides real-world sandbox environments for testing agents and agent-facing software. The platform deploys code and agents against replicas of external services like Stripe, Slack, and Google Drive, letting developers run real workflows, surface edge cases, and observe how their code and agents behave before reaching production. Founded in 2025, the company is part of Y Combinator's Spring 2026 batch.
Arga Labs
ActiveReal-world sandboxes to test agents and agent-facing software
Total raised
$500K
1 round
Stage
Seed
Jan 2026
Team
1-10
since 2026
Pricing
—
Founded
2026
San Francisco, United States
Agent-ready
—
Real-world sandboxes for testing agents
Environments for testing agent-facing software
Replicas of external services like Stripe, Slack, and Google Drive
Deployment of code and agents against service replicas
Real workflow execution in sandbox
Edge-case surfacing before production
Behavior observation for code and agents
Pre-production testing infrastructure
12/100
Early
MCP server
Public API
Webhooks
OAuth 2.0
SDKs
No public agent surfaces detected yet.
Jan 2026 Seed $500K ● Y Combinator
Capital network
$500K raised ·1 backer·10 network links
- Backers1
- Shared portfoliocompanies these backers also fund
- Extended networkfunds that co-invest alongside them
Resolve AI
AI SRE for complex production environments
AI AgentsAI Developer Tools
deepset
Haystack framework and deepset Cloud for enterprise LLM apps
AI AgentsAI Developer Tools
Wordware
Build AI agents by writing in plain English
AI AgentsAI Productivity
Wonderful
Multilingual enterprise AI agents for customer service
AI AgentsAI Productivity
Cursor
The AI code editor built for productive engineers.
AI CodingAI Agents
Oasis Security
Agentic access management to secure AI agents and non-human identities
AI AgentsAI for Cyber Defense
- What is Arga Labs?
- Arga Labs provides real-world sandbox environments for testing agents and agent-facing software against replicas of services like Stripe, Slack, and Google Drive.
- What can you test with Arga Labs?
- Developers can deploy code and agents, run real workflows, surface edge cases, and observe behavior before production.
- Which services are replicated?
- It includes replicas of external services such as Stripe, Slack, and Google Drive.
- Is Arga Labs established?
- Arga Labs was founded in 2025 and is part of Y Combinator's Spring 2026 batch.
Discussion
Sign in to join the discussion.
Sign inExplore more around Arga Labs
Contextual paths to related AI startups, deals and rankings.