Rhyven vs Harny
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Rhyven compared with Harny
| Detail | 
Rhyven | 
Harny |
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| What it does | Marketplace and runtime for headless, agent-first apps
| Agent harness infrastructure that gives AI agents memory for each user, connected accounts, action limits and an audit record.
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| CA
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| Pricing model | Open source
| Freemium
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| Pricing | Not given
| Free: first 500 monthly-active end users per month, free forever. Paid: $0.30 per monthly-active end user above 500, billed monthly.
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| Key features | - Install agent-first apps without graphical interface
- Connect via MCP or REST protocols
- Browse and install from marketplace
- Run apps locally on your server or computer
- Share app results between connected agents
- Build custom apps using Python, JavaScript or containers
- Test improvements before reusing apps
- Keep apps private or publish to marketplace
- Optional runner to track tasks without model API agent
- Linux x86-64 and ARM64 support
| - Timestamped memory ingestion with backdating capability
- Per-user data isolation and privacy scoping
- Ranked memory recall with dated evidence
- Connected accounts integration per user
- Long-running agent jobs with folder-level operations
- Configurable token ceiling per API call
- Enforced action limits on agent operations
- Complete action audit trail with hash chaining
- MCP server integration for Claude and other clients
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| What makes it different | - Data stays in your own environment
- Add tools without changing agent harness
- Multiple agents share results in same collection
- Agents can create tools by automating repeated work
- Open source with Apache 2.0 license
| - Highest published BEAM benchmark score at 128K tokens: 85.1, compared to competing memory systems
- 98% fewer tokens required than raw tool output, making responses 4× cheaper
- Works with 20+ agent frameworks including LangChain, LangGraph and LlamaIndex
- First 500 monthly-active end users free forever
- Per-person billing model scales with user growth, not API calls
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| Free plan | Not given
| Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 12 | 0 |
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| Referring domains (Majestic) | 21 | 1 |
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4 details filled in for both companies.
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