StartupNew York, NY
Traversal
AI SRE for complex systems
Traversal is an AI SRE platform that autonomously diagnoses and fixes production incidents and triages alerts continuously. It uses a causal 'Production World Model' to separate root causes from correlations. It deploys read-only by default, supports bring-your-own cloud and model deployments, and is available via Web, Slack, Teams, MCP and API.
In research (1)
- Free to Look, Free to Reason: Simple LLM Harnesses Outdiagnose Hand-Crafted Root Cause Analysis AgentsVerdict: Important
Oct 26, 2026 · Commercial AI SRE for root-cause analysis in complex systems.
Neighbours in the directory
San Francisco, CA · Est. 2023
Conversational AI agents for customer experience.
Sierra, co-founded by Bret Taylor and Clay Bavor, builds production conversational agents that resolve real customer issues with guardrails, evaluation and human escalation — a template for deploying vertical agents at the enterprise edge.
~$10B valuation (Oct 2025)
New York, NY · Est. 2021
Serverless cloud built for AI and agentic compute.
Modal lets teams run inference, fine-tuning and arbitrary agent workloads as serverless Python without managing infrastructure — a common substrate for harness backends at scale.
Seattle, WA · Est. 2019
Durable execution for long-running agent workflows.
Temporal's durable execution engine is widely adopted to make agent pipelines reliable: state survives crashes, retries are automatic, and workflows run for minutes or months. A key piece of serious harness infrastructure.
$430M total · $300M Series D (Feb 2026) at $5B valuation
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Built on · 1
- Model Context ProtocolProject
Similar entries · 2
- ClericStartup
- Resolve AIStartup
Sources
Verified Oct 29, 2026