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Hypha

Hypha is an open-source TypeScript framework for building LLM agent applications with an Agent Core for reasoning, planning, tool selection, memory and model orchestration, plus a Production Harness for governed, event-backed execution, FSM control, checkpoints, recovery, replay and audit.

Independent OpenViST project profile, based on linked sources.

Hypha — OpenViST project profile in Agent Frameworks.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Hypha when an LLM agent requires a structured runtime around reasoning and tools, especially where domain configuration, capability governance, durable execution, recovery, custom FSM control or validated-work reuse matter.

Who it is for

  • TypeScript developers building production-oriented LLM agent applications.
  • Teams that need governed and recoverable agent execution.
  • Builders creating reusable domain-specific agents with shared runtime components.

Documented uses

  • Define domain-specific tasks, workflows, capabilities, memory, policies, evaluations and output contracts through DomainPacks.
  • Control agent execution with finite-state-machine flows, events and checkpoints.
  • Support approval, continuation, recovery, replay and audit around agent work.
  • Reuse validated reasoning, tool, execution, memory and inference work through typed cache layers.
  • Compose custom human-in-the-loop or domain-agent workflows.
Before you choose

Requirements & limits

The repository identifies Hypha as open source under the Apache-2.0 license. It is presented as a TypeScript framework for CLI, server and self-hosted use. No pricing or account requirement is documented here.

  • Domain behavior is separated from the shared runtime through DomainPack.
  • The Production Harness adds FSM control, events, checkpoints, policy and approval, recovery, replay and audit.
  • Cache layers have different validity and invalidation boundaries for responses, reasoning, work, tools, memory and prompt prefixes.
  • The repository and linked guide identify custom FSM control and package-level API coverage.
  • The supplied material does not include a complete installation, configuration or execution sequence.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
3 October 2026
Original website title
CodeSoul-co/Hypha · Official homepage title · retained in its source language
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