| What it does | An AI debug engineer that finds why code failed and opens a pull request for you to review
| Quality infrastructure for AI-written code with deterministic refactoring and a merge gate
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| US
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| Pricing model | Free trial
| Freemium
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| Pricing | Pro: $39 per project per month (100 investigations, 5 pull requests per month, 1 million events per month, 30 days history, 1 repository, 3 members). Team: $149 per project per month (1,000 investigations, 20 pull requests per month, 10 million events per month, 90 days history, unlimited repositori
| Builder Edition: Free forever for personal, non-commercial, and open-source use. Engineering Edition: $29/month or $299/year (save 14%). Architecture Edition: $59/month or $599/year (save 15%). Elite Edition: $99/month or $999/year (save 16%). Enterprise: Custom pricing, contact sales. All editions
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| Key features | - Session replay of customer visits with all clicks, requests and errors on one page
- Automatic root cause analysis identifying the exact line of code that failed
- Automatic pull request generation with proposed fixes ready for review
- Support for React, Next.js, Vue, Nuxt, SvelteKit, Angular, Express, NestJS, Fastify, FastAPI, Django, Go and more
- OpenTelemetry integration for Java, .NET, Ruby and PHP
- Grouping of the same bug across multiple users with affected user count
- Privacy protection removing passwords, card numbers and API keys before sending
- Investigation reports with confidence levels and evidence citations
- Live demo with real shop and real failures without account required
| - 182 AST-aware refactor operations for code transformation
- 42 codebase analyzers for code analysis
- Support for 163 programming grammars
- Deterministic merge gate with signed receipts
- MCP server and CLI interfaces
- Cross-file import updates and automatic checkpointing
- 10 cross-language porting operations
- Instant undo for all operations
- ~88% token savings on query operations
- Native binary with zero dependencies and no supply chain risk
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| What makes it different | - Reduces small bug debugging from ~4 hours to one pull request review
- Every fix is a pull request on its own branch with no automatic merging
- Analyzes the exact version of code that was live, not your current branch
- SDK and server are open source under Apache 2.0 license
- Self-hosting coming soon for teams preferring on-premise deployment
| - Deterministic verdicts and signed receipts for every code change ensure reproducible quality gates
- Built by engineer with decades of production experience in correctness-critical domains
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 27 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 8 |
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| Citation Flow (Majestic) | 18 | 31 |
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| Referring domains (Majestic) | 6 | 182 |
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