Klavis AI
Klavis AI is a YC Spring 2025 (P25) company. Team of 4.
About Klavis AI
Summary
Klavis AI builds an open-source MCP integration platform that lets AI agents call external tools reliably at scale. It provides hosted, secure MCP servers via API, removing the need for teams to manage authentication or write client-side integration code. The platform also produces high-quality coding and agentic tool-use training data, including long-horizon workflows across live SaaS apps, programmatic verification, and Dockerized environments, replacing brittle local setups and manual data curation for AI model post-training.
Business model
Contact-us sales for coding and agentic training data; self-serve API access for hosted MCP servers, with a free tier and paid plans.
Go-to-market
AI teams and frontier model developers are the primary buyers; they reach Klavis AI through its open-source GitHub presence and direct sales outreach for training data contracts.
From the Y Combinator listing
Open source MCP integration platform for reliably tool use at scale.
Klavis AI is Open source MCP integration platform that let AI agents use tools reliably at any scale. Our API provides hosted, secure MCP servers, eliminating auth management and client-side code. Co-founder Xiangkai Zeng co-authored the Gemini paper and pioneered the tool calling infrastructure for Gemini. https://www.klavis.ai/
Facts
- B2B / B2B
- 4
- Active
- Early
Founders (2)
- Xiangkai Zeng
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