- Bundled skill creator
- Added a bundled skill-creator skill for creating, improving, and verifying OpenHarness/ohmo skills.
- This makes repeatable workflows easier to capture as first-class skills.
- User-invocable skill slash commands
- Skills marked as user-invocable can now be triggered directly with slash commands.
- Slash-invoked skills support user arguments and can request a model override through skill metadata.
OpenHarness by ✨Data Intelligence Lab@HKU✨
"OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!"
Recently added on Oct 10, 2026. The description, category and pricing were filled in from public metadata and have not been checked by an editor yet.
Price
Free (OSS)
free and open source
Popularity
#25 in Frameworks
Gid Score 36 / 100 · #154 of 378 overall
Trend
Gaining stars
about +10 GitHub stars a day
Development
Quiet lately
latest 0.1.9, 5mo ago
Community
16K GitHub stars
public signals
What OpenHarness does
Key facts
| Maker | ✨Data Intelligence Lab@HKU✨ |
|---|---|
| First released | April 2026 |
| License | MIT |
| Main language | Python |
| Open issues and PRs | 90 |
Pricing
Open source under the MIT licence; check the website for any paid hosted plans.
, checked Oct 10, 2026. Prices change often; confirm before you buy.
Quick answers
- Free to start?Yes
- Open source?Yes (MIT)
- Closest alternativeLangChain · all alternatives
Add-ons for OpenHarness: save tokens, add memory and tools
LiteLLM
One gateway for 100+ models with spend tracking, budgets, rate limits and fallbacks.
Firecrawl
Turns websites into clean Markdown or structured data the agent can read.
Langfuse
Traces every model and tool call with its cost and latency, and runs evaluations.
E2B
Runs agent-written code in isolated cloud sandboxes instead of on your machine.
Composio
Connects the agent to 1,000+ apps and APIs with managed sign-in.
Crawl4AI
Open-source crawler that turns websites into LLM-ready Markdown on your own machine.
Listed because each tool documents support for OpenHarness or for agent frameworks in general. Savings and results depend on your workload.
OpenHarness alternatives
Best OpenHarness alternatives compared · All agent frameworks and SDKs
| # | Agent | Gid Score | Downloads 7d | 7d | 30d | VS Code installs | Stars | Latest release | Price | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 |
LangChainLangChain |
78 | 41.1M | down 7.8% | down 16.9% | — | 148K+46/day | 1.4.42d ago | Free (OSS) | ||
| 14 |
LangGraphLangChain |
70 | 15.9M | up 1.3% | down 9.4% | — | 43K+52/day | 1.2.144d ago | Free (OSS) | ||
| 16 |
AI SDKVercel |
68 | 29.8M | down 11.6% | up 44.6% | — | 27.2K+20/day | 6.0.303yesterday | Free (OSS) | ||
| 21 | 63 | 8.7M | down 0.4% | up 6.3% | — | 8,751+20/day | 0.2.02d ago | Free (OSS) | |||
| 22 |
Claude Agent SDKAnthropic |
63 | 19.7M | down 5.1% | up 11.4% | — | 8,237+5/day | 0.2.1652d ago | Free (OSS) | ||
| 31 |
MastraMastra |
59 | 2M | down 8.1% | up 43.8% | — | 28.7K+25/day | 1.75.03d ago | Free (OSS) | ||
| No agents match that filter. | |||||||||||
Ratings from people who use OpenHarness
No ratings yet. Used OpenHarness? Rate it and say what it is good and bad at.
OpenHarness news
-
74 agents added to AgentGid
Symphony, OpenShell, Codex Security, NemoClaw, Agent Browser, Opensre, Caveman, Brag, Open Code Review, Understand-Anything, Codegraph, BrowserSkill and 62 more
What changed: recent OpenHarness releases
- New provider workflows
- Added NVIDIA NIM as a built-in OpenAI-compatible provider using NVIDIAAPIKEY.
- Added ModelScope Inference API support.
- Added Qwen (DashScope), MiniMax, and Gemini provider profiles.
- Improved OpenAI-compatible API behavior, including explicit bearer authorization headers and <think> block filtering for compatible streaming responses.
- ohmo Feishu group support
- Safer install flow: scripts/install.sh now links oh, ohmo, and openharness into ~/.local/bin instead of prepending the virtualenv bin directory to PATH, which avoids clobbering Conda-managed shells.
- Better React TUI input: Shift+Enter now inserts a newline while plain Enter still submits.
- Quieter busy-state animation: the extra pseudo-animation line was removed, and Windows terminals now use conservative ASCII spinner frames to reduce flashing.
- PyPI package published: openharness-ai==0.1.7.
- feat(tui): pair tool-call and tool-result rows for cleaner transcript
- fix(auth): cache keyring probe and rename misleading encrypt/decrypt
- Full coordinator orchestration system with agent definition loading
- InProcessBackend with contextvars isolation, subprocess backend for pollable agents
- WorktreeManager with git worktree isolation per teammate
- TeamLifecycleManager with persistent team file management
- Mailbox communication system with file-lock layer extracted to standalone module
- Permission sync protocol for leader-worker bridging
OpenHarness popularity and usage data
The GitHub repository has 16K stars, 320 of them added in the last 30 days. The latest stable release is 0.1.9, published May 7, 2026.
Download the raw daily series: openharness.csv
Gid Score breakdown
Adoption—
Community50
Attention—
Momentum51
Each component is scored 0 to 100 from public signals; a dash means no data for it. Methodology.
OpenHarness FAQ
How much does OpenHarness cost?
Open source under the MIT licence; check the website for any paid hosted plans.
Is OpenHarness open source?
Yes. OpenHarness is open source, released under the MIT license.
How popular is OpenHarness?
The GitHub repository has 16K stars, 320 of them added in the last 30 days. The latest stable release is 0.1.9, published May 7, 2026.
What is the latest version of OpenHarness?
The latest stable release we track is 0.1.9, published on May 7, 2026.
What are the alternatives to OpenHarness?
The closest alternatives in the same category by Gid Score are LangChain, LangGraph, AI SDK, Strands Agents.
For the makers of OpenHarness badges, corrections
Add a live badge to your README or site:
[](https://agentgid.com/agents/openharness/)[](https://agentgid.com/agents/openharness/)Something wrong or outdated on this page? Send a correction with a link to the official source. More for makers.
Where these numbers come from
GitHub: hkuds/openharness. See data sources for how each one is collected.
Product facts and pricing were checked against: github.com.