StartupSan Francisco, CA · Est. 2024 · Series A
Conductor
Run a team of coding agents in parallel isolated workspaces, locally or in the cloud.
Conductor creates isolated copies of a codebase, runs coding agents in each, and lets developers review, open PRs for and merge their work. It runs the first-party Claude Code, Codex, Cursor and OpenCode agents with the user's own subscriptions and keys. Conductor Cloud gives each agent a Firecracker microVM sandbox with repos and dependencies pre-installed, and workspaces are multiplayer. There are macOS and iOS apps and an API. Founded by Charlie Holtz and Jackson de Campos (YC S24), it raised a $22M Series A from Spark and Matrix in March 2026.
People
Co-founder & CEO
Claude Code · Codex & OpenAI agents · Multi-agent orchestration
Co-founder
Harness engineering
Neighbours in the directory
San Francisco, CA · Est. 2022
The de-facto standard toolkit for building LLM applications and agents.
LangChain makes the LangChain framework and LangGraph, the low-level orchestration standard for stateful, controllable agents, plus the LangSmith platform for tracing, evaluating and monitoring them in production.
~$75M raised
San Francisco, CA · Est. 2023
Devin, the AI software engineer, and the Windsurf IDE.
Cognition builds Devin, an autonomous AI software engineer that plans and executes engineering tasks end-to-end, and acquired the Windsurf agentic IDE in 2025. One of the defining startups of the coding-agent wave.
~$10.2B valuation (Sep 2025)
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)
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Built on · 2
- Claude CodeProject
- CodexProject
Sources
Verified Oct 29, 2026