| What it does | Structural code intelligence for AI assistants
| A harness-agnostic framework for AI coding tools
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| Pricing model | Freemium
| Open source
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| Key features | - 12-language parsing with tree-sitter
- Impact analysis showing callers and dependencies
- Knowledge graph with confidence-tagged edges
- Four-source retrieval fusing structure, memory, graph and semantic search
- MCP server with 35 tools for AI assistants
- REST API with 46 routes and CLI with 51 commands
- VS Code extension with impact analysis and hover information
- Web console for indexing, searching and exploring code graph
- Syntax-aware reversible compression
- Repository memory with hierarchical summaries
| - Configure plugins, skills, MCP servers, and hooks in a single harness.yaml file
- Observatory: monitor every session, tool call, and minute of activity
- Memory: persistent knowledge graph for AI orientation
- Comparator: run prompts across Claude Code, Cursor, and Copilot side by side
- Import existing configs from multiple AI coding tools automatically
- Share complete setup via single file with teammates
- Harness Parity: verify all connected AI tools end up with identical configuration
- Cross-harness compatibility table showing actual tool capabilities
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| What makes it different | - Structural understanding of code relationships, not just text similarity
- Local-first architecture with no code leaving your machines
- Unified engine across multiple interfaces: MCP, REST, CLI, VS Code and browser
- LLM-agnostic and works with any AI assistant
- Community Edition free for teams with no key or time limit
| - Import-first approach: reads existing configs from all your tools and converges them before you write YAML
- No marketing gloss: capability table generated at build time from actual adapter code, not hand-maintained
- Portable across tools: single harness.yaml travels with you to every machine and tool
- Open source and free: no cost beyond existing Claude subscription
- Based on open specification: Harness Protocol is vendor-neutral and JSON Schema validated
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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 | 16 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 20 |
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| Referring domains (Majestic) | 0 | 11 |
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BBM-Atlas
Harness Kit