fastmcp
PyPIactive
fastmcp last released 4.1.1 on 2026-10-18. Its latest version requires Python >=3.10.
Facts
- Latest release
- 4.1.1, (6 days ago)
- First published
- (22 months ago)
- Releases in the last 12 months
- 68
- Median days between releases
- 2
- Median days between major versions
- 158
- Monthly downloads
- 54,260,270
- License
- Apache-2.0
- Repository
- github.com/PrefectHQ/fastmcp
- Homepage
- gofastmcp.com
- Source
- pypi.org (checked 2026-10-19)
Major versions
5 major versions have been published.
| Major | First version | First released | Latest version | Latest released |
|---|---|---|---|---|
| 4 | 4.0.0a1 | 2026-07-21 | 4.1.1 | 2026-10-18 |
| 3 | 3.0.0b1 | 2026-01-20 | 3.4.9 | 2026-10-16 |
| 2 | 2.0.0 | 2025-04-11 | 2.14.7 | 2026-04-13 |
| 1 | 1.0 | 2025-04-11 | 1.0 | 2025-04-11 |
| 0 | 0.1.0 | 2024-11-30 | 0.4.1 | 2024-12-09 |
Runtime requirements
The latest version of fastmcp declares these runtime constraints.
| Runtime | Constraint | Minimum version | Since version | Since |
|---|---|---|---|---|
| Python | >=3.10 | 3.10 | 4.0.0 | 2026-08-31 |
Supported runtimes
The latest version of fastmcp runs on 6 tracked runtime releases.
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