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Data / Repositories / Evals / Python

Python Evals repositories on GitHub: 4 ranked by stars

4 public Python repositories tagged Evals are on GitHub, with 16,505 stars between them; 4 had a push in the last 30 days. The most starred: Arize-ai/phoenix (11,834), pydantic/logfire (4,512), openlayer-ai/jevals (105).

SpecStream is the live web data engine for teams and agents. It reads open-source repositories on GitHub and keeps what it reads, and this page groups that reading by topic. Ask for the repositories you track by topic, language, license or activity, and new ones and changes arrive in your sheet, CRM, Slack or agent.

Every repository, most starred first

RepositoryWhat it isStarsForksLicenseLast pushRead
Arize-ai/phoenixAI Observability & Evaluation11,8341,203Oct 14Oct 14
pydantic/logfireAI observability platform for production LLM and agent systems.4,512313MITOct 10Oct 11
openlayer-ai/jevalsAgent evals and guardrails as Jev decisions: one request per trace, a fraction of a cent, fast enough for the agent loop. Runs locally with Kev or Laya.10511MITOct 15Oct 15
PrefectHQ/prefect-mcp-serverPrefect MCP server5440MITOct 1Oct 14

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Every Evals repository

Read from GitHub by SpecStream between October 11, 2026 and October 15, 2026; each row shows the day its repository was read. Stars and pushes change every day, and the GitHub page is the current one. Forks and archived repositories are left out.