A specification-driven development workflow for AI coding agents. It creates and reviews specs, builds in isolated Git worktrees, runs tests and gates commits, then opens pull requests. Supports Claude Code, Codex, Cursor, and Copilot.
Prices and medians update for the tier you select.
Ranked by how closely each one matches Spec-first's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.