# `@metamask/permission-controller`

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

## Installation

`yarn add @metamask/permission-controller`

or

`npm install @metamask/permission-controller`

## Understanding

Please read the [Architecture][./architecture.md] document for more on how PermissionController works and how to use it.

## Contributing

This package is part of a monorepo. Instructions for contributing can be found in the [monorepo README](https://github.com/MetaMask/core#readme).


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

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@metamask/permission-controller

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permission-controller

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Bad semver

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Bad dependency semver

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Bidirectional unicode control characters

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Bin script confusion

This Chrome extension includes content scripts that execute JavaScript on specified websites.

What are Chrome extension content scripts?

Chrome: Content Script

This Chrome extension requests host permissions to access specific websites or domains.

What are Chrome extension host permissions?

Chrome: Host Permission

This Chrome extension requests permissions to access browser APIs, user data, or system features.

What are Chrome extension permissions?

Chrome: Permission

This Chrome extension requests wildcard host permissions that grant broad access to websites.

What are Chrome extension wildcard host permissions?

Chrome: Wildcard Host Permission

Semantic versions published out of chronological order.

What is a chronological version anomaly?

Chronological version anomaly

Project maintainer's SSH key has been compromised.

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Compromised SSH key

What do I need to know about license files?

Copyleft License

Contains a Critical Common Vulnerability and Exposure (CVE).

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Title

Critical CVE

Contains a high severity Common Vulnerability and Exposure (CVE).

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High CVE

Uses debug, reflection and dynamic code execution features.

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Debug access

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Deprecated

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Deprecated license

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Possible typosquat attack

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Dynamic require

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AI-detected potential code anomaly

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Native code

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High entropy strings

Contains unicode homoglyphs which can be used in supply chain confusion attacks.

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Unicode homoglyphs

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HTTP dependency

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Modified license exception

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@metamask/permission-controller

`@metamask/permission-controller`

Installation

Understanding

Contributing

Keywords

Related posts

@metamask/permission-controller

Installation

Understanding

Contributing

Keywords

Related posts

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