Heym

Heym

Build agentic systems. Run them with confidence

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Heym is a source-available platform for building and running agentic systems on your own infrastructure. Build multi-agent workflows visually, connect your data and tools, bring in coding agents like Codex and OpenCode, and add human approval where it matters. See exactly how every run performs with built-in traces, costs, latency, and evals. Self-host Heym, use your own models and credentials, and ship workflows as portals, APIs, or MCP tools.

Heym

Launch date
Heym
HeymBuild agentic systems. Run them with confidence

Launched on August 10th, 2026

Heym
HeymSelf-hosted AI workflow automation with agents, RAG, and MCP

Launched on April 28th, 2026