| What it does | AI skill package for code quality, security and architecture checks integrated into Claude Code and OpenAI Codex
| Desktop app that compresses Claude Code and ChatGPT Codex inputs locally to cut token costs by up to 50%
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| Stage | Established
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| Founded | 2007
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| Based in | DE
| NL
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| Pricing model | Paid
| Freemium
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| Pricing | Company licence 142.80 € one-off (incl. 19% VAT, equals 120.00 € net), first 30 days of updates included. Optional subscription: 29.75 € per month incl. VAT (25.00 € net), cancellable monthly. With purchase: 22.31 € per month incl. VAT for 6 months (−25%), then 29.75 € per month.
| Pro: $4/month billed monthly or $3/month billed annually (for Claude Pro or ChatGPT Plus); Max x5: $20/month billed monthly or $15/month billed annually (for Claude Max x5 or ChatGPT Pro $100); Max x20: $40/month billed monthly or $30/month billed annually (for Claude Max x20 or ChatGPT Pro); Team &
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| Key features | - Seven quality gates enforcing approvals, migrations, dependencies, data verdicts, defect claims, option questions and legal text checks
- Four command latches that block destructive operations before execution
- 22 detectors built from real incidents
- Five review modes and 15 hooks for different task sizes
- Council of five advisers with root-cause analysis and retrospectives
- Autopilot mode for unattended runs
- Works on macOS, Linux and Windows with Python 3.9 or newer
- Two separate editions for Claude Code and OpenAI Codex
- 27 skills and 14 review agents included
| - Local input compression of tool output and boilerplate
- Reversible compression preserving retrieval of original content
- Real-time savings dashboard and activity tracking
- Eight optional add-ons for further optimization
- Support for Claude Code IDE extensions and agent runners
- Privacy-first architecture with all optimization on-device
- Compatibility with Claude Pro, Claude Max, ChatGPT Plus, and ChatGPT Pro
- Minimal latency overhead of approximately 52 milliseconds
- Support for Windows, macOS, and Linux operating systems
- Project learnings saved to agent instruction files
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| What makes it different | - Proven improvement: average 5.7 points with Code Guardian vs 5.0 without across benchmark tests
- Built from 120+ real software projects and 20+ years of development experience
- Deterministic safety checks that block dangerous commands before execution, not after in reports
- Buy once, use permanently with optional updates subscription
| - Achieves 25-50% token reduction on typical Claude Code sessions without requiring model subscription upgrades
- All compression runs locally on your machine with no data sent to servers
- Reversible compression preserves output quality and allows retrieval of original content on demand
- Works transparently with existing IDE extensions and agent runners without workflow changes
- Built on open-source Headroom CLI engine available free on GitHub
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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) | 55 ▲ +1 (up) since last check | 15 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 18 | 6 |
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| Citation Flow (Majestic) | 20 | 31 |
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| Referring domains (Majestic) | 196 | 135 |
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Code Guardian
Headroom