Startup
Traycer
Nerve Center for Agentic Coding
Traycer is a free, open-source desktop app for Mac, Windows and Linux. It runs Claude Code, Codex, Cursor and OpenCode side by side, each in its own worktree. Agents share specs and tickets and can message each other to ask questions, request reviews and hand off work. Users bring their own agent subscriptions.
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
Similar entries · 8
- AgentGridStartup
- AgentsMeshStartup
- Aperant (formerly Auto Claude)Project
- BatonStartup
- BePurple (p0)Startup
- MaestroProject
and 2 more
Sources
Verified Oct 29, 2026