| What it does | An AI debug engineer that finds why code failed and opens a pull request for you to review
| Free C4 modeling tool with an MCP server for software teams to share architecture context with AI development tools
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| LT
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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
| Browser: Free with account. Desktop: €10 a month after 7-day free trial, one licence covers 3 machines. Enterprise: custom pricing.
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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
| - System context, container, component, and code diagrams
- Live collaboration on models
- MCP server for AI coding agents
- Change sets for scoped agent work
- Organization SSO
- JSON import and export
- OpenAPI contract export
- Desktop app for macOS, Windows, Linux
- AI assistant for model descriptions
- Installable PWA
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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
| - Model elements exist once and appear on every level they belong to
- Endpoints are real OpenAPI documents, not diagram labels
- Desktop app keeps all data local and offline-capable
- Free browser version with no paywall or feature limits
- AI agents read and write architecture through MCP
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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 | 20 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 10 |
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| Citation Flow (Majestic) | 18 | 28 |
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| Referring domains (Majestic) | 6 | 74 |
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Bugwalk
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