| What it does | A harness for comprehension: understand code better and faster, especially code AI agents write
| AI code reviews and fixes for GitHub pull requests
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| Stage | Not given
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| Based in | DE
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| Pricing model | Paid
| Freemium
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| Pricing | $15 a month, free for a month from the first launch. One subscription covers all your Macs. Billed monthly through Polar; cancel anytime in the customer portal.
| Free: 1,000 credits first month, 300 monthly after; Starter: $9/month with 2,500 monthly credits; Pro: $39/month with 12,000 monthly credits. No seat fees. Add-on credits start at $5 for 500 credits at base rate of $10 per 1,000 credits, with volume discounts. Reviews of public repositories free up
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| Key features | - User journey visualization for pull requests showing blast radius and impact
- AI-generated flow diagrams from code using Claude
- Drill-down to actual code and methods behind each step
- Call graph visualization showing method relationships
- AI question answering about code steps using Claude
- Offline analysis for most languages with .NET SDK support for C#
- GitHub integration for private repository access
- Persistent layout between runs for consistent navigation
| - Independent review model that checks all pull requests uniformly regardless of authorship
- Dual model verification to reduce false positives
- Autopilot for automated fixing and iteration
- Review walkthrough showing what to read first and what to skim
- Support for team standards via REVIEW.md and AGENTS.md
- Configurable feedback scope (Concise, Balanced, Detailed)
- Standard and Deep review depths for different complexity levels
- MCP servers for additional review context
- Works with public and private repositories
- @heydeer mention for questions and task handoff
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| What makes it different | - Visualizes code as interactive maps with user journeys showing the full blast radius of changes
- Runs locally on your Mac with only Claude API calls going over the network
- AI-generated flow diagrams connect pull requests to actual business logic via real code methods
- Uses language-specific parsers for accurate code analysis instead of heuristics
- One subscription covers all your Macs with no signup or card required for first month
| - Finds 78% more issues than GitHub Copilot on the same pull requests
- No seat fees regardless of team size or number of repositories
- Independent and uniform review across all code sources and models
- Automated fixing with Autopilot until PR is ready to merge
- Free reviews for open source projects up to fair-use limit
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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) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 1 |
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| Citation Flow (Majestic) | 18 | 31 |
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| Referring domains (Majestic) | 18 | 13 |
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logPhase
HeyDeer