Synapse AI
Treat agents like a factory, not a boardroom.
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Synapse AI - Treat agents like a factory, not a boardroom.

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Synapse AI is the open-source platform for building AI workflows that actually ship. Wire agents, tools, and 14+ LLMs (Ollama, OpenAI, Anthropic, Gemini, Bedrock) into deterministic DAG pipelines, no probabilistic routing, no framework lock-in. Drag-and-drop canvas, an AI Builder that turns plain English into pipelines, native human-in-the-loop, MCP tools, cron scheduling, custom tools, and full local-first execution. Swap providers without rewriting. Production-ready, auditable, yours to run.

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Hey Product Hunt 👋 I'm Naveen, the maker behind Synapse. The story is pretty simple. I was building an AI workflow for the stock market — the kind of domain where you can't tolerate the agent taking a different path on the same input, can't have hallucinated routing in your decision logic, and can't ship your data through somebody else's cloud unexamined. I tried the obvious tools first — CrewAI, LangGraph, a few others. Each one looked beautiful in the README and broke down the moment I tried to use it for something specific. The agents wandered. The control flow was opaque. Customizing for my actual domain meant fighting the framework. And every one of them assumed I'd be living inside their ecosystem forever. At some point, I stopped trying to bend the existing tools and asked the simpler question: why can't this just be easy? Easy for me, easy for a developer who's never touched AI, easy for someone who isn't a developer at all — and still powerful enough to handle the gnarly real-world workflow I had in front of me. So I built it from scratch. That became Synapse. The core idea I kept coming back to as I built: the LLM should be the worker, not the foreman. You design the graph; the runtime guarantees it follows the path you drew, every run. The LLM does the creative work inside each step — but the control flow is yours. That single inversion unlocks everything downstream: auditability, reproducibility, multi-provider swapping, real testing, and real SLAs. What started as a stock-market side project is now a full open-source orchestration platform — 14+ LLM providers, a visual canvas builder, an AI Builder that turns plain English into pipelines, native human-in-the-loop across Slack/Discord/Teams/Telegram/WhatsApp, MCP tool support, scheduling, and full local-first execution via Ollama. Synapse is free, open-source (AGPL v3), and runs anywhere — your laptop, your server, your private cloud. No telemetry, no lock-in, no surprises. There's an active Discord where I'm answering questions and shipping fixes daily — would love to have you there. Try it. Break it. Tell me what's missing. I'm in the comments all day.