OpenSpec is at 68,776 stars and shipped two releases in eight days, claiming 50+ agent integrations
OpenSpec·medium signal
Fission-AI/OpenSpec hit Hacker News at 153 points; the repo carries 68,776 stars and 4,723 forks against 221 open issues, MIT licensed, created 2025-08-05. It cut v1.13.0 on 2026-09-09 and v1.13.1 today, and the site claims integration with 50+ coding assistants including Claude, Copilot, Cursor, Codeium and Amazon Q. For anyone already running a spec-before-code loop by hand, the value is the validation step that checks implementation against the recorded spec rather than the spec authoring itself.