| What it does | Infrastructure layer connecting agents to the open-source ecosystem
| Source control for coding agents with conflicts settled before code exists
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Free
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| Pricing | Not given
| Free: $0 for up to 3 projects and one person (never charges). Builder: $15 a month or $150 a year. Team: $36 per person a month or $360 per person a year. New accounts start on Team for 14 days free with up to 5 projects.
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| Key features | - Search code by keywords, API names, or quoted phrases across packages and repositories
- Read versioned source code at specific versions or git refs with symbol selectors
- Compare source changes between package versions or repository refs
- Check package health, adoption, license, downloads, and open advisories
- Inspect direct and transitive dependencies with resolved versions
- Check security vulnerabilities and affected versions for packages
- Generate code examples grounded in open-source projects with cited sources
- Ask research questions about packages with cited sources and read commands
- Browse documentation pages and search by keywords with exact page locations
- Review upgrade impacts including vulnerabilities, changelog, and dependency changes
| - Agents declare plans before writing code
- Written rules automatically settle conflicting plans
- Integration with Claude Code, Codex, and MCP clients
- GitHub repository mirroring after each merge
- Intent-based workflow instead of pull requests
- Drift detection comparing code changes to declared plans
- No branch names; work identified by intent number
- Write rules per folder with CI files people-only
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| What makes it different | - Version-aware indexing ensures agents get code and documentation matching their exact dependency versions, not latest releases
- Integrated index of code, documentation, packages, and dependency graphs in one interface through MCP, CLI, and API
- Deterministic results with exact file locations, line ranges, and symbol definitions for reliable agent decisions
- Supports open-source repositories not published as packages plus major package registries like npm, PyPI, and crates.io
| - Conflicts settled before any code is written
- Agents review intent goals and plans, not line-by-line diffs
- Works with your existing agents without leaving GitHub
- Only humans approve merges, never agents or models
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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 |
| DR (Domain Rating by Ahrefs) | 52 ● no change since last check | 12 ▲ +2 (up) since last check |
| Trust Flow (Majestic) | 7 | 0 |
| Citation Flow (Majestic) | 34 | 0 |
| Referring domains (Majestic) | 247 | 0 |