Sapient open-sources PRAXIST, an autonomous research runtime that hit 1,408 stars in its first day

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sapientinc/PRAXIST was created 2026-08-27 and is already at 1,408 stars with 131 forks and commits as recent as 2026-08-28T02:24. It bills itself as an autonomous research system for measurable, computer-executable research, coordinating parallel research peers, task-owned evaluation, durable evidence and generation-to-generation synthesis, with an accompanying paper at arXiv:2608.25955. It installs as `praxist[agents,codex]` with a Codex skills install and ships a packaged out-of-box runbook an agent can execute itself, under a Fair Source License rather than a standard OSI one.