# Astropy: AI-friendly with conditions

> Contributions made with generative AI are welcome. Contributors are responsible for and must be able to explain all changes, must describe substantive AI use, and must answer reviewers themselves rather than relaying AI replies. Autonomous agents are not accepted.

- What it is: A community Python library for astronomy and astrophysics. (Library)
- Homepage: https://www.astropy.org/
- Repository: https://github.com/astropy/astropy
- Overall stance: AI-friendly with conditions (Mostly friendly). AI-assisted contributions are accepted with extra rules, such as disclosing AI use, or AI is banned for issues or written text.
- Last classified: 2026-10-09 (manual review, medium confidence)
- Policy last changed: 2026-10-09
- Web page: https://areweaifriendly.com/projects/astropy/

## Policy by area

- **Code contributions**: AI-friendly with conditions (AI use must be disclosed; Contributor takes full responsibility; Output must be license-compatible; No autonomous agents)
- **Issues & bug reports**: No AI policy
- **AI-written text**: Not AI-friendly (Only minor help (autocomplete, grammar))

## In their own words

- Code contributions: "Astropy maintainers welcome contributions, including those developed with the assistance of generative AI tools." (https://github.com/astropy/astropy-project/blob/main/policies/ai-policy.md)
- Code contributions: "If generative AI tools were used for substantive portions of the contribution, contributors must describe their use in the change description." (https://github.com/astropy/astropy-project/blob/main/policies/ai-policy.md)
- Code contributions: "Contributors are responsible for ensuring all submitted code complies with Astropy's licensing, regardless of whether generative AI tools were used." (https://github.com/astropy/astropy-project/blob/main/policies/ai-policy.md)
- Code contributions: "Autonomous workflows ("agents") are not human contributors." (https://github.com/astropy/astropy-project/blob/main/policies/ai-policy.md)
- AI-written text: "Copying and pasting replies to / from a generative AI tool does not count as engaging with the reviewer; contributors are expected to understand the changes they are proposing, not act as message courier for a third party." (https://github.com/astropy/astropy-project/blob/main/policies/ai-policy.md)

## Sources

- [Astropy: Usage of Generative AI](https://github.com/astropy/astropy-project/blob/main/policies/ai-policy.md), fetched 2026-10-09