harness-sdk alternatives
Curated alternatives to harness-sdk — and why you'd switch.
deepagents
LangChain's batteries-included agent harness on LangGraph — planning, sub-agents with isolated context, filesystem, shell, skills, human-in-the-loop and persistent memory out of the box.
Why switchBoth give you a batteries-included agent harness you can drop below; deepagents assembles planning, sub-agents and a filesystem on LangGraph, Strands its own model-driven loop in Python and TypeScript.
Full comparison →LangGraph
Build stateful, multi-actor LLM apps as graphs — durable execution, human-in-the-loop, streaming.
Why switchBoth are frameworks for building production agents in-process; LangGraph makes you draw the control flow as a graph, Strands lets the model drive the loop — it even ships a skill for LangGraph migrations.
Full comparison →trueforge
TrueFoundry's open agent harness: the runtime loop — model calls, MCP tools, SKILL.md packs, sandboxing, approvals, compaction — behind a chat UI, HTTP API, TypeScript SDK and embeddable UI.
Why switchBoth package the full harness runtime — model calls, MCP tools, skills, approvals, compaction — behind an SDK; TrueForge adds a chat UI and HTTP API, Strands stays a library in two languages.
Full comparison →