| What it does | The coding agent that runs on your machine
| A harness-agnostic framework for AI coding tools
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | US
| Not given
|
|---|
| Pricing model | Freemium
| Open source
|
|---|
| Pricing | Developer: $19.99/month or $199.99/year with 30-day free trial. Business: $99.99/month per seat or $995/year with 30-day free trial. Enterprise: Custom pricing.
| Not given
|
|---|
| Key features | - Bring your own API key for Claude, GPT, Gemini
- Plan-gate and write-gate safety controls
- Universal AST refactoring across 21 languages
- Persistent project memory and skill files
- Full MCP (Model Context Protocol) client
- Terminal CLI with same agent and memory
- Local OpenAI-compatible API endpoint
- Local JSONL audit log for compliance
| - 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
|
|---|
| What makes it different | - Runs fully offline with no per-token costs, unlike cloud coding tools that bill by the token
- Safety-first with plan-gate and write-gate controls before any file is changed
- Model-agnostic: same editor and safety controls whether using local or cloud models
- Works entirely on your machine with no code leaving your device in local mode
- Whole-codebase semantic awareness for accurate edits across multiple files
| - 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
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 18 ▲ +1 (up) since last check | 16 ● no change since last check |
| Trust Flow (Majestic) | 3 | 0 |
| Citation Flow (Majestic) | 26 | 20 |
| Referring domains (Majestic) | 54 | 11 |