Syntropy
Syntropy is a YC Winter 2026 (W26) company. Based in San Francisco, CA, USA. Team of 2.
About Syntropy
Summary
Syntropy builds an autonomous coding agent for software teams tackling complex, long-horizon engineering tasks. Developers describe a feature in plain language and the agent produces a fully tested, production-ready pull request, replacing hours of prompt management and context-switching at the terminal. It integrates with Slack for progress updates and supports custom MCP integrations.
Go-to-market
B2B software teams adopt Syntropy through a self-serve workflow, connecting it to their existing Slack workspace and repositories to start receiving completed PRs without a sales process.
From the Y Combinator listing
The agentic coding app for complex tasks.
Syntropy is an autonomous coding agent built for complex long-horizon tasks, that turns a feature description into a fully tested implementation. Instead of babysitting a terminal for hours writing prompts and managing context, just describe what you want, go out for lunch, and come back to a production-ready PR. Syntropy joins your Slack to send you updates, and also supports custom MCP integrations.
Facts
- B2B / B2B -> Productivity
- San Francisco, CA, USA
- 2
- Active
- Early
Founders (2)
- Andrew Kuik
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