Packages

Installable packages for The Harness. Each adds skills, services, benchmarks or embodiments to an existing install.

The harness, pre-release 0.71.0

pip install https://harness.lmms-lab.com/registry/core/the_harness-0.71.0-py3-none-any.whl

Updated 2026-11-13

• acp 0.2.0

  The Harness as an Agent Client Protocol agent for editors such as Zed

  Platforms: windows, macos, linux

  Commands

  acp

  harness install acp

• agent 0.1.2

  Persistent identity, multi-turn dialogue and private memory over the Harness task engine

  Platforms: windows, macos, linux

  Commands

  agent

  Settings

  personal

  harness install agent

• browser 0.5.2

  Search and browse the web in a background browser

  Platforms: windows, macos, linux

  Skills

  browser

  Benchmarks

  browser

  harness install browser

• computer 0.8.1

  Control a computer: its desktop, its applications in the background, displays of its own

  Platforms: windows, macos, linux

  Kinds

  desktop

  Embodiments

  computer, ubuntu

  Skills

  desktop, physical, screens, windowtools

  Benchmarks

  computer

  Experiments

  computer

  Settings

  computer, physical, privacy

  harness install computer

• eval 0.3.1

  Evaluate the agent: experiments over tasks and seeds, their suites, locks, run pages and self-improvement

  Platforms: windows, macos, linux

  Commands

  config, inspect, lock, program, runs, self-improve, serve, view

  harness install eval

• external-agents 0.3.1

  ACP, terminal and cloud coding sessions, and bounded Claude Code and Codex delegates

  Platforms: windows, macos, linux

  Commands

  agents

  harness install external-agents

• local-models 0.3.6

  Models on your own GPUs: where services run (deploys), their weights and servers, Qwen3-VL

  Platforms: windows, macos, linux

  Services

  qwen3-vl-32b, qwen3-vl-8b

  Commands

  down, fetch, services, status, up

  harness install local-models

• mcp-example 0.1.0

  An example MCP server: unit conversion

  Platforms: windows, macos, linux

  Services

  mcp-units

  harness install mcp-example

• mcp-server 0.2.2

  The Harness as an MCP server (harness mcp), for apps, editors and agents that are MCP clients

  Platforms: windows, macos, linux

  Commands

  mcp

  harness install mcp-server

• perception 0.5.3

  See: segmentation, pointing, scenes, generic vision and vision-language models

  Platforms: windows, macos, linux

  Skills

  pointing, scene, segmentation, vision, vlm

  Services

  molmo2, sam3, vision

  harness install perception

• workspace 0.3.1

  Operate project files and processes in a bound working directory

  Platforms: windows, macos, linux

  Kinds

  workspace

  Embodiments

  workspace

  Skills

  workspace

  Benchmarks

  workspace

  Settings

  workspace

  harness install workspace