What it sells
Plan mode for complex features
Business model breakdown
Buyer: who owns the budget?
UnverifiedIndividual developers and engineering leads adopting spec-driven AI coding.
Workflow: what inputs become what output?
Slash commands in a coding agent: explore, propose (proposal.md, specs, design.md, tasks.md), apply, archive; works with Claude Code, Codex, Cursor, Copilot and 30+ tools.
Economics: what it saves and how it charges
MIT-licensed open-source framework (68.0k GitHub stars, 265,000+ developers/month); no revenue model shown.
Distribution: how it reaches customers
npm install and GitHub; community/word of mouth.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Winter 2026 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.