Is @onflow/fcl safe to use?

@onflow/fcl has no known vulnerabilities on the latest version (1.21.10). DepScope rates its health at 71/100 (moderate risk).

What is the latest version of @onflow/fcl?

The latest version of @onflow/fcl is 1.21.10, released 2026-03-25.

Does @onflow/fcl have known vulnerabilities?

No known vulnerabilities on the latest version of @onflow/fcl.

Is @onflow/fcl deprecated?

No, @onflow/fcl is actively maintained. Latest release: 1.21.10 (2026-03-25).

What are alternatives to @onflow/fcl?

Popular alternatives to @onflow/fcl in npm include: semver, debug, ansi-styles, minimatch, brace-expansion.

What license does @onflow/fcl use?

@onflow/fcl is licensed under Apache-2.0.

@onflow/fcl

npmv1.21.10

High-level JavaScript/TypeScript library for building web applications on the Flow blockchain.

License Apache-2.0permissive347 versions16 maintainers21 deps8,847 weekly dl

onflow/fcl-js

/ 100

Health

safe to use

@onflow/[email protected] is safe to use (health: 71/100)

Health breakdown0 – 100

20/25

maintenance

6/20

popularity

25/25

security

15/15

maturity

5/15

community

Vulnerabilities

none known

Bundle & TypeScript

📦

Bundle Size

667.4 KBminified

191.3 KB gzipped

21 direct dependencies

ESMside effectsscoped

🌟

TypeScript

10/10typed

bundled

Health History

Dependency Tree

License Audit

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/@onflow/fcl