| What it does | AI Senior Architect for Spec-Driven Development that generates 4-file spec bundles before you write code
| Universal orchestrator for AI coding agents
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| Stage | MVP
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| Founded | Not given
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| Based in | SG
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| Pricing model | Freemium
| Open source
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| Pricing | Free: 20 projects, 100 spec files, 20 public share links per month. Pro: 5× AI usage limit, 100 projects, unlimited specs. Team: 10× AI usage limit per seat (2 seats minimum), unlimited projects and specs.
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| Key features | - 4-file spec bundle generation (constitution, requirements, solution, tasks)
- Structured interview to clarify scope and edge cases
- Live Mermaid diagram rendering
- ZIP export of spec bundle
- MCP Server integration for IDE agents
- Greenfield and Brownfield workflow support
- EARS+ acceptance criteria format
- Versioned diffs for spec refinement
- Team collaboration and shared projects
- Plain-English edits in chat
| - Infinite threads with real-time persistence and layout freedom
- Real PTY terminals with native terminal-agent support
- Agent-controllable MCP servers for app automation and delegation
- Skills marketplace and local custom skills support
- On-device voice input with Whisper local processing
- Scheduled runs for recurring tasks like nightly reviews and dependency sweeps
- Remote machine execution over SSH with automatic runtime installation
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| What makes it different | - Replaces vague prompts with immutable 4-file architectural contracts to prevent AI hallucinations
- Senior Architect interview catches edge cases before coding begins
- Supports both Greenfield and Brownfield project workflows
| - Provider-agnostic orchestration with no vendor lock-in—bring your own agent subscriptions and API keys
- Agents can delegate to other agents and control the app itself through built-in MCP servers
- Persistent workspace built around real development work with terminals, diffs, worktrees, and PRs
- Free and open source under Apache 2.0 with no subscription or lock-in
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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) | 21 ▼ −1 (down) since last check | 38 ● no change since last check |
| Trust Flow (Majestic) | 11 | 0 |
| Citation Flow (Majestic) | 27 | 17 |
| Referring domains (Majestic) | 100 | 12 |