Is effect safe to use?

effect has no known vulnerabilities on the latest version (3.21.2). DepScope rates its health at 69/100 (moderate risk).

What is the latest version of effect?

The latest version of effect is 3.21.2, released 2026-04-22.

Does effect have known vulnerabilities?

No known vulnerabilities on the latest version of effect.

Is effect deprecated?

No, effect is actively maintained. Latest release: 3.21.2 (2026-04-22).

What are alternatives to effect?

Popular alternatives to effect in npm include: debug, strip-ansi, lru-cache, ansi-regex, supports-color.

effect

npmv3.21.2

The missing standard library for TypeScript, for writing production-grade software.

License MITpermissive422 versions3 maintainers2 deps

Effect-TS/effect

/ 100

Health

safe to use

[email protected] is safe to use (health: 69/100)

Health breakdown0 – 100

25/25

maintenance

0/20

popularity

25/25

security

15/15

maturity

4/15

community

Vulnerabilities

none known

Bundle & TypeScript

📦

Bundle Size

933.3 KBminified

284.1 KB gzipped

2 direct dependencies

ESM

🌟

TypeScript

10/10typed

bundled

Quality signals

OSS Criticality

0.69high

Health History

Dependency Tree

License Audit

Dependencies (2)

fast-check @standard-schema/spec

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/effect