Is @metamask/permission-controller safe to use?

@metamask/permission-controller has no known vulnerabilities on the latest version (12.3.0). DepScope rates its health at 74/100 (moderate risk).

What is the latest version of @metamask/permission-controller?

The latest version of @metamask/permission-controller is 12.3.0, released 2026-03-26.

Does @metamask/permission-controller have known vulnerabilities?

No known vulnerabilities on the latest version of @metamask/permission-controller.

Is @metamask/permission-controller deprecated?

No, @metamask/permission-controller is actively maintained. Latest release: 12.3.0 (2026-03-26).

What are alternatives to @metamask/permission-controller?

Popular alternatives to @metamask/permission-controller in npm include: semver, ansi-styles, minimatch, debug, brace-expansion.

What license does @metamask/permission-controller use?

@metamask/permission-controller is licensed under MIT.

@metamask/permission-controller

npmv12.3.0

Mediates access to JSON-RPC methods, used to interact with pieces of the MetaMask stack, via middleware for json-rpc-engine

License MITpermissive41 versions3 maintainers11 deps88,144 weekly dl

MetaMask/core

/ 100

Health

safe to use

@metamask/[email protected] is safe to use (health: 74/100)

Health breakdown0 – 100

20/25

maintenance

10/20

popularity

25/25

security

12/15

maturity

7/15

community

Vulnerabilities

none known

Bundle & TypeScript

🌟

TypeScript

10/10typed

bundled

Health History

Dependency Tree

License Audit

Dependencies (11)

immer nanoid @metamask/utils deep-freeze-strict @metamask/messenger @metamask/rpc-errors @metamask/base-controller @metamask/json-rpc-engine @types/deep-freeze-strict @metamask/controller-utils @metamask/approval-controller

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/@metamask/permission-controller