| What it does | Point-and-click visual website feedback for AI coding agents
| A harness-agnostic framework for AI coding tools
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| Stage | Startup
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| Founded | 2026
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| Based in | Not given
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| Pricing model | Freemium
| Open source
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| Pricing | Free: $0, always free with 1 project and 50 annotations per month. Pro: $7/seat/month (introductory pricing, regular price shown struck through) with unlimited projects and annotations, 500 AI credits/month, and 14-day free trial. Business: $15/seat/month (introductory pricing) with unlimited seats,
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| Key features | - Point-and-click and region capture
- Live element inspector with CSS selectors and React/Vue components
- Structured DOM context with XPath and computed styles
- Runtime diagnostics: console errors and network requests
- Native MCP server for AI agent integration
- One-click GitHub issues with Copilot auto-assignment
- AI Diagnosis of root causes and fixes
- Read-only share links with privacy protection
- Markdown, AI prompt and JSON export formats
- Works on any framework with Shadow DOM isolation
| - Configure plugins, skills, MCP servers, and hooks in a single harness.yaml file
- Observatory: monitor every session, tool call, and minute of activity
- Memory: persistent knowledge graph for AI orientation
- Comparator: run prompts across Claude Code, Cursor, and Copilot side by side
- Import existing configs from multiple AI coding tools automatically
- Share complete setup via single file with teammates
- Harness Parity: verify all connected AI tools end up with identical configuration
- Cross-harness compatibility table showing actual tool capabilities
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| What makes it different | - Captures exact element selectors and DOM context instead of just screenshots
- Native MCP server allows agents to read feedback directly without copy-paste
- Privacy-first: metadata only, no request bodies, query strings stripped
- AI diagnosis suggests root causes, fixes and source files
| - Import-first approach: reads existing configs from all your tools and converges them before you write YAML
- No marketing gloss: capability table generated at build time from actual adapter code, not hand-maintained
- Portable across tools: single harness.yaml travels with you to every machine and tool
- Open source and free: no cost beyond existing Claude subscription
- Based on open specification: Harness Protocol is vendor-neutral and JSON Schema validated
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| Free plan | 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 37 ▲ +1 (up) since last check | 16 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 0 |
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| Citation Flow (Majestic) | 32 | 20 |
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| Referring domains (Majestic) | 81 | 11 |
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Vynix
Harness Kit